Reasonability Notices

Removal of Pre-Open Fat Finger Checks

November 12, 2019 08:58:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALKS, AXAS, ENLC, FCEL, FOE, GALT, GTN, HBM, INFN, IPFF, NTWK, OCUL,
SNSS, SQM, TDW, XON, AAP

Removal of Pre-Open Fat Finger Checks

November 12, 2019 08:36:41

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, ADAP, AEIS, AMRN, ANTH, AREX, AVEO, BLUE, BREW, DPLO, DXC, GO,
IIVI, ITRI, KEM, NK, ROK, SE, SLDB, SNCR, TRXC, UGI

Removal of Pre-Open Fat Finger Checks

November 11, 2019 08:43:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAXN, ASUR, CALA, CARB, CRR, CUI, DF, DRIP, EDC, EL, FOLD, FOMX, FXP, GASX, KOLD, LITE, LPCN, MATW, MFG, MPW, MYOK, NK, NKTR, PTCT, QRTEA, RETL, SMAR, SMTX, REUM, TRXC, WBA, WINT, YANG

Removal of Pre-Open Fat Finger Checks

November 08, 2019 09:07:05

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: UI, GH, IOVA, EB, MED, NVEE

Removal of Pre-Open Fat Finger Checks

November 08, 2019 08:59:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAXN, AFMD, AMRS, ANTH, BRZU, CORT, DIS, GDOT, INFI, LPSN, MDR, MNST,
NK, PLNT, PSTI, RGR, STMP, TDC, TGP, TRUE, USCR, VSAT, YELP, Z, ZG

Removal of Pre-Open Fat Finger Checks

November 07, 2019 08:50:09

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAOI, AERI, ANGI, ANIK, ASNA, BCC, BIDU, CLVS, CVNA, DISH, DRIP,
DRV, DXCM, ELF, EXPE, EYE, FOSL, GDDY, GLUU, HDSN, IEV, IIPR, JAKK, MBUU, NVRO,
PBYI, PDCE, PRTY, QCOM, RL, ROKU, RP, RUSL, TAST, VNDA, XRAY

Removal of Pre-Open Fat Finger Checks

November 06, 2019 08:50:18

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACUR, AGRX, ATUS, AYR, CECE, CYBR, DSS, DVA, EDAP, FANG, FCEL, FIVN,
FLDM, GTE, GWPH, HPQ, I, IAC, INGN, MTCH, NEWR, NLS, NRP, NUS, ODP, OESX, PIR, PLT,
PRMW, RRGB, RUSL, SPHS, SUPN, SWIR, VGR, VMC, WLH, WW

Removal of Pre-Open Fat Finger Checks

November 05, 2019 08:44:30

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: UBER, RGLD

Removal of Pre-Open Fat Finger Checks

November 05, 2019 08:38:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, AAOI, AGRX, ANF, ATHM, BIP, BWXT, CALA, CHGG, CSU, DIOD,
EVBG, EVER, GEVO, HDSN, INO, MDP, MOS, MYGN, NR, RNG, SHAK, SHEN, SNCR, SOL, TNDM,
USFD, VCEL, WINT, WWE, XRX

Removal of Pre-Open Fat Finger Checks

November 04, 2019 08:51:28

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ASFI, AVEO, BLCM, CRNT, KOPN, KOS, NSP, NVAX

Removal of Pre-Open Fat Finger Checks

November 04, 2019 08:42:09

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CACC, DRIP, RACE, KOLD, RYAAY, BLCN, ADNT, UA, UAA, OMER, WMGI, RDHL

Removal of Pre-Open Fat Finger Checks

November 01, 2019 08:42:55

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMED, ANET, APDN, ASIX, AVID, AYX, BAH, BGNE, CAR, CDNA, CRC, EHC, FND, FTNT, HMSY, ITT, LOCO, MOBL, NPTN, PINS, PSTI, PUK, QRVO, SRDX, STX, TPB, USX

Removal of Pre-Open Fat Finger Checks

October 31, 2019 09:10:30

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:CDAY, CDNA, CHD, EL, FB, GNRC, INOV, JUNG, KHC, PH, PVG, TDOC, TTMI, TWLO, WWE, YRCW

Removal of Pre-Open Fat Finger Checks

October 31, 2019 08:53:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACOR, AKS, ANTH, BCEI, CREE, CROX, CRUS, ETSY, FARO, HBI, KHC, LITE, MC, MCEP, MIC, MMSI, NERV, OLED, PVG, SPWR, STAA, SUNW, TDOC, TEX, W, WDC, WES

Removal of Pre-Open Fat Finger Checks

October 30, 2019 08:29:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AJRD, ALIM, ALKS, AMAG, AR, AXE, BGFV, CHRW, CNC, CPRX, CROX, CRTO, CUR, ENPH, EXAS, GDOT, GRMN, IPHI, LDL, MAT, MOH, OSPN, PCG, QUAD, REED, SIMO, TENB, TMHC, TRXC, TTPH, TUP, UIS, AAWW, GRUB, MXIM, SHLX, UTHR

Removal of Pre-Open Fat Finger Checks

October 29, 2019 09:02:04

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMKR, AMPE, DBD, HCA, HLIT, IPGP, KOLD, LODE, NAVB, NEO, PDCE, R, SANM, SLCA, TGNA, TREX, TRXC, TTM, WAT, XNET, XRX

Removal of Pre-Open Fat Finger Checks

October 29, 2019 08:29:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BYND, CMI, GRUB, HZO, MRTX, NXPI, OFIX, SHOO, SHOP, TXRH, WIX

Removal of Pre-Open Fat Finger Checks

October 28, 2019 08:56:43

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BBW, EIX, MIME, SDRL, SPOT, VSTO

Removal of Pre-Open Fat Finger Checks

October 28, 2019 08:33:29

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGIO, AGRX, BCLI, CRCM, CTB, FCEL, KOS, LPT, MARA, PCG, SQBG, SSL, TIF, TK, TTS, XNET

Removal of Pre-Open Fat Finger Checks

October 25, 2019 09:09:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, CAR, XNET

Removal of Pre-Open Fat Finger Checks

October 25, 2019 08:52:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: JNUG, OPK, RMD, SMSI

Removal of Pre-Open Fat Finger Checks

October 25, 2019 08:39:29

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AERI, ALB, ALGT, ANIK, AVT, BBY, BOOM, BUD, CGIX, CHTR, CVEO, FAF, GVA, PCG, PFPT, REI, RVLT, SPSC, VCRA, VFC, AMZN

Removal of Pre-Open Fat Finger Checks

October 24, 2019 08:55:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAC, ACOR, ADS, EW, PACB, PRLB, QEP, TXMD

Removal of Pre-Open Fat Finger Checks

October 24, 2019 08:45:24

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALGN, AXTA, AYR, BAX, CLGX, EBAY, EFV, FCN, FFIV, FTI, LRCX, MKSI, NOK, NOW, NTGR, PYPL, SAVE, STM, TAL, TSLA, TWTR

Removal of Pre-Open Fat Finger Checks

October 23, 2019 09:08:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:RES, RGLS, SSI, TUES

Removal of Pre-Open Fat Finger Checks

October 23, 2019 09:08:08

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:RES, RGLS, SSI, TUES

Removal of Pre-Open Fat Finger Checks

October 23, 2019 09:08:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:RES, RGLS, SSI, TUES

Removal of Pre-Open Fat Finger Checks

October 23, 2019 09:08:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:RES, RGLS, SSI, TUES

Removal of Pre-Open Fat Finger Checks

October 23, 2019 08:56:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:ADI, ADS, ANTH, APDN, BLUE, BSX, BYND, FHLC, HRI, IRBT, NOW, PODD, QSR, REED, REZI, ROL, SIX, SOLX, TER, TMO, TROV, TXN, WGO, WHR

Removal of Pre-Open Fat Finger Checks

October 22, 2019 09:13:17

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:ABG, EMAN, RS

Removal of Pre-Open Fat Finger Checks

October 22, 2019 08:56:14

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AMH, ANTH, APDN, ARCH, AVDL, BIIB, BMY, CNDS, CI, DGX, EMP, FMS, GNC, GNMX, GOSS, HAS, HHC, HLF, HOG, IIPR, MCD, PG, STMP, TACO, TNP, TROV, TRV, TTS, UBIO, UPS, VRTX

Removal of Pre-Open Fat Finger Checks

October 21, 2019 09:01:08

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BHVN, BYND, CAH, FSCT, HMHC, MCK, SNCR, SPR

Removal of Pre-Open Fat Finger Checks

October 21, 2019 08:45:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: COTY, INFY, KMT, LODE, MDR, OPK, PUK, SGEN, SNN, SPHS, TLGT, TNXP, YNDX 

Removal of Pre-Open Fat Finger Checks

October 18, 2019 09:00:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: EGY, VFC

Removal of Pre-Open Fat Finger Checks

October 18, 2019 08:52:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:CLIR, DGRW, ETFC, FLDM, GIL, ISRG, KOF

Removal of Pre-Open Fat Finger Checks

October 17, 2019 09:11:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AA, GTLS

Removal of Pre-Open Fat Finger Checks

October 17, 2019 09:02:46

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CYTR, DNN, EGBN, IBM, LLNW, LODE, MTB, MUSA, NFLX, PLX, POOL, PPG, RYAAY, SAMF, SNSS, SOXL, SQBG, TK, TXT, UNP, ZN 

Removal of Pre-Open Fat Finger Checks

October 17, 2019 09:02:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CYTR, DNN, EGBN, IBM, LLNW, LODE, MTB, MUSA, NFLX, PLX, POOL, PPG, RYAAY, SAMF, SNSS, SOXL, SQBG, TK, TXT, UNP, ZN 

Removal of Pre-Open Fat Finger Checks

October 16, 2019 09:05:59

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CGIX, FELP

Removal of Pre-Open Fat Finger Checks

October 16, 2019 08:50:46

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:ACHN, ANTH, APDN, ASIX, ASMB, CAH, CXO, EGBN, FGP, MCK, TECD, TRIB, WDAY

Removal of Pre-Open Fat Finger Checks

October 15, 2019 09:12:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: TEX, XRF

Removal of Pre-Open Fat Finger Checks

October 15, 2019 08:48:17

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGFS, AMBA, ASNA, AXAS, CUR, GLUU, GPL, MANU, OLLI, PSTI, QIWI, REED, VRAY

Removal of Pre-Open Fat Finger Checks

October 14, 2019 09:08:51

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: DRIP, NBL, SOL

Removal of Pre-Open Fat Finger Checks

October 14, 2019 08:58:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AAC, ACM, GSM, HTHT, NMIH, RETL, RVLT, SGMS, TEX, TMHC

Removal of Pre-Open Fat Finger Checks

October 11, 2019 09:18:54

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:IAC, RVLT, SPHS, UVXY

Removal of Pre-Open Fat Finger Checks

October 11, 2019 09:03:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AREX, CRSP, DECK, EBIX, FAST, GNMX, LYG, PRKR, PUK, RBS, ROKU, RYAAY, SAP, SYF, TRNV, XONE, YANG, YNDX

Removal of Pre-Open Fat Finger Checks

October 10, 2019 09:08:05

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: KRA, TNXP

Removal of Pre-Open Fat Finger Checks

October 10, 2019 08:48:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADTN, ANTH, BBBY, CGIX,CTRP, PCG, PHG, PRKR, ZIXI

Removal of Pre-Open Fat Finger Checks

October 09, 2019 08:54:37

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACUR, CNAT, EBIX, FN, IRBT, KW, RETL, RYAAY, SDRL, SPHS, WETF

Removal of Pre-Open Fat Finger Checks

October 08, 2019 08:26:50

Pre-Open Fat Finger checks have been turned off for all classes on Cboe Options (C1). Please contact the Trade Desk with any questions.

Removal of Pre-Open Fat Finger Checks

October 07, 2019 08:45:38

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADXS, ANTH, CRMD, DISH, FCEL, FSLR, HEWG, KODK, NNVC, NVLN, RGLD, RNG, XENT

Pre Open Reasonability Edit

October 04, 2019 09:25:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BHGE, KOLD.

Pre Open Reasonability Edit

October 04, 2019 09:04:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVT, SRPT, TLND.

Pre Open Reasonability Edit

October 04, 2019 08:44:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EQC, HESM, RNG, SLAB.

Pre Open Reasonability Edit

October 03, 2019 09:16:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DNLI, GPRO.

Pre Open Reasonability Edit

October 03, 2019 09:01:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: I, KLAC, TSLA, URBN.

Pre Open Reasonability Edit

October 02, 2019 09:30:10

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: TSUG.

Pre Open Reasonability Edit

October 02, 2019 09:27:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALNY, AMTD, BHC, BWA, CIEN, ENR, ETFC, FRPT, GOOS, IBKR, JNUG, MKC, MRNA, MTX, NVT, OKTA, PTON, SBGL, SCHW,SFIX, ULTA, UNFI, VHC.

Pre Open Reasonability Edit

October 02, 2019 08:22:32

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

October 01, 2019 08:47:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MAN, NERV.

Pre Open Reasonability Edit

September 30, 2019 09:12:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DOVA, JNUG, KOLD, KRA.

Pre Open Reasonability Edit

September 30, 2019 08:43:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: TER, THO.

Pre Open Reasonability Edit

September 27, 2019 08:58:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DRIP, LTM, LVS, MU, PRGS.

Pre Open Reasonability Edit

September 26, 2019 09:28:00

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: HIIQ.

Pre Open Reasonability Edit

September 26, 2019 09:17:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BYND, FDS, PSO.

Pre Open Reasonability Edit

September 26, 2019 08:52:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATU, FUL, LGIH, SBGI, STNG.

Pre Open Reasonability Edit

September 25, 2019 08:53:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  CMTL, DENN, LCI, M, PCRX, SNX, TDOC.

Pre Open Reasonability Edit

September 25, 2019 08:23:55

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

September 24, 2019 09:17:08

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BB, NEOG.

Pre Open Reasonability Edit

September 24, 2019 09:06:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AABA, DISCK, FDP, JAG, OSTK, VSI.

Pre Open Reasonability Edit

September 23, 2019 09:14:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALV, EXAS.

Pre Open Reasonability Edit

September 23, 2019 09:13:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADNT, BZQ, INDL, OSTK, PI, PSMT.

Pre Open Reasonability Edit

September 18, 2019 09:22:30

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: TRI.

Pre Open Reasonability Edit

September 18, 2019 08:45:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CDW, DRIP, FDX, PTCT, SNPS, ZYNE.

Pre Open Reasonability Edit

September 18, 2019 08:22:27

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

September 17, 2019 09:22:04

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: ATUS.

Pre Open Reasonability Edit

September 17, 2019 09:10:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  FNKO, WMS.

Pre Open Reasonability Edit

September 17, 2019 08:57:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EVER, GLW, MLHR, SHOP.

Pre Open Reasonability Edit

September 16, 2019 09:27:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MUR, PE.

Pre Open Reasonability Edit

September 16, 2019 09:21:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLB, COP, CVX, DUG, ERY, FANG, HES, HP, JNUG, PDCE, PXD, SCO, UYM, XEC.

Pre Open Reasonability Edit

September 16, 2019 08:59:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALDR, CEO, CLR, CRK, CXO, DIG, DRIP, EOG, ERX, GASL, IEO, IO, NEWR, NOV, OILU, OXY, SEMG, SLB, SM, UCO, WPX, XOP.

Pre Open Reasonability Edit

September 13, 2019 09:19:20

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: USM.

Pre Open Reasonability Edit

September 13, 2019 08:50:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARLP, BITA, HCC, IOVA, KEM, USCR.

Pre Open Reasonability Edit

September 12, 2019 09:04:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADVM, BRZU.

Pre Open Reasonability Edit

September 12, 2019 08:57:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AU, DXC, GFI, JNUG, NUGT, OILD, OXM.

Pre Open Reasonability Edit

September 11, 2019 09:03:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IRTC, LOVE, PLAY, SATS, WSM, ZS.

Pre Open Reasonability Edit

September 10, 2019 09:20:15

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: MELI.

Pre Open Reasonability Edit

September 10, 2019 08:55:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: FRAN, MAC, MTZ, NUS, WEN.

Pre Open Reasonability Edit

September 09, 2019 09:16:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ENR.

Pre Open Reasonability Edit

September 09, 2019 08:34:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACAD , BPMC , CPE , CYOU , HCC , NTNX , T.

Pre Open Reasonability Edit

September 06, 2019 09:11:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CRWD, DOCU, FSTR, PD, SINA.

Pre Open Reasonability Edit

September 06, 2019 08:51:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GCO, IYT, LPT, LULU, MACK, MRC, PATK, ZUMZ.

Pre Open Reasonability Edit

September 05, 2019 09:18:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: JNUG, MDT, NUGT, SCWX, SIG, SOXL, WORK.

Pre Open Reasonability Edit

September 05, 2019 08:55:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVAV, DEA, GBT, HOME, MDP, MLCO, PANW, QURE, REVG, VRNT, WEN, ZUMZ.

Pre Open Reasonability Edit

September 04, 2019 09:10:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AEO , DRIP , PVH.

Pre Open Reasonability Edit

September 04, 2019 08:49:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVXL , BRZU , COUP , DIG , EWH , I , MIK , NAV , NEO , NVRO , OILD , PBYI , RARE , RCL , UVXY , YANG , YRD .

Pre Open Reasonability Edit

September 03, 2019 09:08:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: I, MSB, RCII, SBGI.

Pre Open Reasonability Edit

September 03, 2019 08:57:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BMA, BRZU, CONN, DRIP, INDL, LSCC, MDCO, OILD, SAM, UYM.

Pre Open Reasonability Edit

August 30, 2019 09:20:13

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: EVR.

Pre Open Reasonability Edit

August 30, 2019 09:14:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALXN, COO, DELL, GTLS, JKS, LX, SFUN, ULTA.

Pre Open Reasonability Edit

August 30, 2019 08:54:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBA,  BIG, CVGW, SEDG, TSLA.

Pre Open Reasonability Edit

August 29, 2019 09:20:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBY, ESTC, FIVE, MBUU, MFGP.

Pre Open Reasonability Edit

August 29, 2019 08:56:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANF, AVAV, BURL, DG, GES, JBL, NTNX, OLLI, SAFM, TECD, TITN, UVXY, UYM.

Pre Open Reasonability Edit

August 28, 2019 09:18:51

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

August 28, 2019 09:10:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADSK, AMP, DAKT, LCI, MOV, RGLD, TGE.

Pre Open Reasonability Edit

August 27, 2019 09:26:19

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: CAL.

Pre Open Reasonability Edit

August 27, 2019 09:06:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HA, INDL, PZZA, REV, SCHF, SJM, TAN, TSE.

Pre Open Reasonability Edit

August 26, 2019 09:23:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANTM, KOLD, PDCE, SHOO, VIXM, VXX, XLRN.

Pre Open Reasonability Edit

August 26, 2019 08:58:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD, DIG, DRIP, MDCO, MNST, OILD, PLCE, SRI, UVXY, XRAY.

Pre Open Reasonability Edit

August 23, 2019 09:25:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: INTU, SYK.

Pre Open Reasonability Edit

August 23, 2019 08:49:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  CRM, DRIP, FL, HAS, INDL, OILD, UVXY, VMW.

Pre Open Reasonability Edit

August 22, 2019 09:22:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BJ, CG, FLY, KEYS.

Pre Open Reasonability Edit

August 22, 2019 08:51:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMT, ARNA, DKS, JWN, NVRO, RTRX, SEDG, SQM.

Pre Open Reasonability Edit

August 21, 2019 09:20:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BZUN, PDD.

Pre Open Reasonability Edit

August 21, 2019 09:00:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIG, DQ, HA, KBWB, LOW, MYGN, PLCE, RMAX, SIVB, TGT, UVXY.

Pre Open Reasonability Edit

August 21, 2019 08:17:26

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

August 20, 2019 09:11:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIO, BYND, PINC.

Pre Open Reasonability Edit

August 20, 2019 08:57:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIDU, FN, HGV, HRL, MOV, SE, SRPT, VCR, VGK.

Pre Open Reasonability Edit

August 19, 2019 09:22:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARMK, CPRI, EL, JNUG, NVDA, OMER, PCG, SOXL, WB.

Pre Open Reasonability Edit

August 19, 2019 09:06:06

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATR, IDCC, KOLD, NUGT, PCG, REFR, RR, SCCO, SINA, UVXY, WB, YANG.

Pre Open Reasonability Edit

August 16, 2019 09:22:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BAH, BHGE, BMA, CNQ, DDS, DVN, EAT, GLP, NVDA, PAGS, SSL, TA.

Pre Open Reasonability Edit

August 15, 2019 08:54:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: A, BGG, CACI, CAH, CHL, CRCM, CSCO, CSIQ, PANW, PLCE, TDG, TYPE, WMT.

Pre Open Reasonability Edit

August 14, 2019 09:27:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DRIP, EDC, JNUG, KSS, MYGN, SOXL, SOXS.

Pre Open Reasonability Edit

August 14, 2019 09:05:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, DRIP, EDC, EDZ, EQIX, ERY, GOOS, M, OILD, OSTK, QNST, QRVO, TECL, TMF, UVXY, VIXY, VXX, YANG.

Pre Open Reasonability Edit

August 14, 2019 08:17:16

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

August 13, 2019 09:29:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BMA, YELP.

Pre Open Reasonability Edit

August 13, 2019 09:22:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CVET, DCPH, EAT, JNUG, LEA.

Pre Open Reasonability Edit

August 13, 2019 09:11:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAWW, BPMC, IIVI, JD, KTOS, TCF.

Pre Open Reasonability Edit

August 12, 2019 09:07:42

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBAR , DESP , LOMA.

Pre Open Reasonability Edit

August 12, 2019 08:46:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARCO , BMA , BRZU , GGAL , HES , MELI , NBL , PAM , SNPS , VEY , WEC , YPF.

Pre Open Reasonability Edit

August 09, 2019 09:15:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAWW , CSIQ , FSLY , FTCH , RVLV , UBER , UBNT.

Pre Open Reasonability Edit

August 09, 2019 08:31:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAXN , ALRM , AMRN , AVT , DXC , ELY , EPAT , NKTR , PBYI , TRUE , TSE , VRAY , VSLR , YELP , ZGNX.

Pre Open Reasonability Edit

August 08, 2019 09:16:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MNST , ROKU , TRGP.

Pre Open Reasonability Edit

August 08, 2019 09:00:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMD , ANGI , CLVS , CVNA , CWH , DDD , G , GDOT , HUN , INFN , IOVA , JACK , PRTY , RLGY , STMP , SYMC , VSI , Z , ZG.

Pre Open Reasonability Edit

August 07, 2019 09:11:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DIS , DRIP , FOXA , GH , INGN , KAR , SAIL , UVXY , WW.

Pre Open Reasonability Edit

August 07, 2019 08:49:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AGO , AMAG , AMH , CVS , FLXN , GWPH , HUBS , HZNP , IAC , ICPT , JNUG , LL , MTCH , NEWR , NVTA , PLNT , SEDG , ZSL.

Pre Open Reasonability Edit

August 06, 2019 09:20:35

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBSI , CFX , DCO , PODD , SEAS , TDG.

Pre Open Reasonability Edit

August 06, 2019 08:42:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: TEN , TTWO.

Pre Open Reasonability Edit

August 06, 2019 08:38:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CAR , EDC , IFF , QSR , TDOC.

Pre Open Reasonability Edit

August 05, 2019 09:24:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATH , FAZ.

Pre Open Reasonability Edit

August 05, 2019 09:21:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SHOP , TWLO.

Pre Open Reasonability Edit

August 05, 2019 08:36:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BLD , CRI , DRIP , EDZ , I , INGN , JNUG , KOLD , LABD , NCLH , NTRA , NUGT , SQQQ , TNA , TQQQ , TZA , VIXY , VXX , WGO , YANG.

Pre Open Reasonability Edit

August 02, 2019 09:34:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BL , CATM , CC , CDNA , CLDR , ETSY , FIZZ , FLR , FTNT , IOVA , MTZ , NTAP , PINS , SQ , STX .

Pre Open Reasonability Edit

August 02, 2019 08:47:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CC , CLDR , OILD , TNDM

Pre Open Reasonability Edit

August 01, 2019 09:22:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAWW, ABMD, AYX, BYND, GOSS, HGV, IDXX, PRU, PS, SKY, TRI, TRMB.

Pre Open Reasonability Edit

August 01, 2019 09:01:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD, BLD, BOOT, BTI, BTU, CROX, CXO, FICO, FIVN, HRTX, NCLH, OI, QCOM, RES, RUBI, SHOP, SPWR, SRCL, SRDX, TCF, TIVO, W, WLL.

Pre Open Reasonability Edit

July 31, 2019 09:24:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ECA, ENPH, FCAU, MOH, PES.

Pre Open Reasonability Edit

July 31, 2019 08:56:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BEAT, CG, DIN, EA, EXTR, FEYE, GMN, HUM, LSCC, MX, NBIX, PAYC, RDWR, SMG, TAP, TWOU, UIS.

Pre Open Reasonability Edit

July 31, 2019 08:32:48

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

July 30, 2019 09:26:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AOS, APPF, CMI, FMS, GOSS, IT, MEDP, PAG, RP, SSNC, TREX, UAA, UA, VRNS, ZBRA.

Pre Open Reasonability Edit

July 30, 2019 09:09:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BYND, DOR, MDR, ON, PI, RNG, TEX.

Pre Open Reasonability Edit

July 29, 2019 09:23:42

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EXAS, RARX.

Pre Open Reasonability Edit

July 29, 2019 09:06:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AXTA, BAH, CTB, ELY, GRUB, MYL, NSP, OIS, TSEM, XPER, ZEN.

Pre Open Reasonability Edit

July 26, 2019 09:27:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARWR, BJRI, CARB, CHTR, COG, DJX, EHTH, FM, GOOG, GOOGL, HIIQ, INTL, LOGM, MHK, MMSI, PRO, RMD, SBAC, SBUX, SCHA, SCHX, TWTR, TYPE, UHS, VICR.

Pre Open Reasonability Edit

July 25, 2019 09:17:35

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: HSY.

Pre Open Reasonability Edit

July 25, 2019 09:10:35

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANIK, BWA, IPO, LMAT.

Pre Open Reasonability Edit

July 25, 2019 09:02:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALGN, ALKS, AXE, AZN, BUD, CARA, DBD, MMM, MTH, NTGR, PTC, QGEN, SAVE, TAL, TREE, TSCO, TSLA, YMLP.

Pre Open Reasonability Edit

July 24, 2019 09:11:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AYI, GHDX, NSC, VAR.

Pre Open Reasonability Edit

July 24, 2019 09:03:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APH, BBY, CPRT, EOG, EW, FICO, ICE, INTU, IRBT, MANH, MLCO, MORN, MPX, NICE, OC, ROK, RPM, SGEN, SINA, SNAP, SPGI, STLD, TER, TUP, TXN.

Pre Open Reasonability Edit

July 24, 2019 08:21:38

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

July 23, 2019 09:03:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACAD, BYND, EDU, HAS, HII, IONS, PD, ZION.

Pre Open Reasonability Edit

July 23, 2019 08:47:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: LOGI, PII, RLGY.

Pre Open Reasonability Edit

July 22, 2019 08:54:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CALM, CDW, CIR, DVA.

Pre Open Reasonability Edit

July 19, 2019 09:24:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOLD, BUD, GLPG, RARE, RGNX, WD.

Pre Open Reasonability Edit

July 19, 2019 08:44:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GCI, RRGB, SKX, SXT, WWD.

Pre Open Reasonability Edit

July 18, 2019 09:24:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EBAY, FNDX, IVAC, NFLX, NVS, RPM, SAP, SCHF, SCHP, URI.

Pre Open Reasonability Edit

July 17, 2019 09:15:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HTHT, SRE.

Pre Open Reasonability Edit

July 17, 2019 08:47:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASML, CBD, CSX, NUS, QCOM, SE, SGEN.

Pre Open Reasonability Edit

July 17, 2019 08:10:59

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

July 16, 2019 09:18:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARNC, ARW, CGNX, IT, LEA, NVCR.

Pre Open Reasonability Edit

July 16, 2019 08:51:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DPZ, FDS, JBHT, KOLD, WTFC.

Pre Open Reasonability Edit

July 15, 2019 09:25:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DNLI, GLPG, SYMC.

 

Pre Open Reasonability Edit

July 15, 2019 08:42:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALKS, CIR, CPE, CROX, CRZO, NOAH, VC.

Pre Open Reasonability Edit

July 12, 2019 09:26:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IIPR, KAI, TOWR.

Pre Open Reasonability Edit

July 12, 2019 08:36:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HI, ILMN, MCRN.

Pre Open Reasonability Edit

July 11, 2019 09:07:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ERUS, SRE.

Pre Open Reasonability Edit

July 11, 2019 08:49:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGNX, CI, CVS, FWONA, GRUB, MKL, OMER, PSMT.

Pre Open Reasonability Edit

July 10, 2019 09:23:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DUG, JDST, JNUG, MSM, NUGT, OILU, TW, WD.

Pre Open Reasonability Edit

July 10, 2019 08:55:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATHM, HELE, MSM.

Pre Open Reasonability Edit

July 10, 2019 08:21:55

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

July 09, 2019 08:49:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA , ADMP , AJRD , ALT , LNN , NOAH , XPO.

Pre Open Reasonability Edit

July 08, 2019 09:21:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: INSP , TMK.

Pre Open Reasonability Edit

July 08, 2019 08:40:35

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AZZ , BR , GROW , ITCI , LC , MARA , NOAH , ROK , SGMO , SYMC.

Pre Open Reasonability Edit

July 05, 2019 09:14:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CDNA , FTV , JNUG , RIO.

Pre Open Reasonability Edit

July 05, 2019 08:33:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AB , BRZU , CEVA , KPTI , MCRI.

Pre Open Reasonability Edit

July 03, 2019 09:13:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVGO , USNA.

Pre Open Reasonability Edit

July 03, 2019 08:29:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: FCEL , MSGN , OMN , SDLP , SYMC , TSLA.

Pre Open Reasonability Edit

July 02, 2019 08:43:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SBH.

Pre Open Reasonability Edit

July 01, 2019 09:17:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SOXL , SOXS , TRI.

Pre Open Reasonability Edit

July 01, 2019 09:04:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA , AMD , AVGO , BMCH , CHAU , CREE , CTRE , DRIP , EDC , EVBG , FNSR , GASL , GASX , GDXX, ,GWR , IIVI , IPHI , JDST , JNUG , LITE , NPTN , NUGT , NVDA , OILD , OILU , QCOM , RPD , RTRX , SALT , SQQQ , SWKS , TQQQ , UVXY , VIXY , VXX , WDC , WLK , WYNN , XLNX , YANG , YINN.

Pre Open Reasonability Edit

June 28, 2019 09:14:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACOR, CAMP, DRIP, FAZ, GASL, GH, KAR, PRGS, STZ.

Pre Open Reasonability Edit

June 27, 2019 09:20:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BA, BLK, CBD, DOVA, IHI, MKC, NDAQ.

Pre Open Reasonability Edit

June 27, 2019 08:58:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAOI, APOG, CAG, HQY, KBH, MLHR, OFG, PDCO,  PIR, ZGNX.

Pre Open Reasonability Edit

June 26, 2019 09:25:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GIS, MU, PD, SOXL.

Pre Open Reasonability Edit

June 26, 2019 08:57:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVAV, GBT, HIVE, IBCP, IOVA, JDST,OLN, PAYC, PBF, SNX.

Pre Open Reasonability Edit

June 26, 2019 08:54:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVAV, GBT, HIVE, IBCP, IOVA, JDST, OLN, PAYC, PBF, SNX.

Pre Open Reasonability Edit

June 26, 2019 08:52:31

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

June 25, 2019 09:09:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATSG , BHF , CNAT , HRI , PYX.

Pre Open Reasonability Edit

June 25, 2019 08:36:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABBV , AGN , GRUB , LEN , LGND , MARA , MDCO , NTRS , YINN.

Pre Open Reasonability Edit

June 24, 2019 09:24:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ERI.

Pre Open Reasonability Edit

June 24, 2019 08:41:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AXTA , BMY , CNCE , CZR , DFRG , IMGN , MTCH , NERV , SEAS.

Pre Open Reasonability Edit

June 21, 2019 09:04:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANAB , BYND , CGC.

Pre Open Reasonability Edit

June 21, 2019 08:35:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HTZ , HUBS , KFY , LKSD , MAC , MVIS , RPD , SDRL.

Pre Open Reasonability Edit

June 20, 2019 09:21:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADXS. AON, BYND, CCL, DRI, DUST, EDZ, ERY, JDST, OILD, OILU, PI, SINA, SOXL, TECL, WYNN, YANG.

Pre Open Reasonability Edit

June 20, 2019 08:55:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, EDC, GDXX, JNUG, NUGT, ORCL, YINN.

Pre Open Reasonability Edit

June 19, 2019 09:15:35

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  AXTA, ENR, GVA, I, LZB, NCR.

Pre Open Reasonability Edit

June 19, 2019 08:11:36

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

June 18, 2019 09:12:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANIP, BHVN, BYND, TRN.

Pre Open Reasonability Edit

June 18, 2019 09:05:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CRMD, ILMN, OC, RUN, TPX, WGO.

Pre Open Reasonability Edit

June 18, 2019 09:03:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CRMD, ILMN, OC, RUN, TPX, WGO.

Pre Open Reasonability Edit

June 17, 2019 09:20:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BYND , MDGL , VIA.

Pre Open Reasonability Edit

June 17, 2019 09:04:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMPE , APRN , ARRY , BPMC , MEET , MNST , QURE , RYAAY , SPN.

Pre Open Reasonability Edit

June 14, 2019 09:12:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ENTA, SOXL, VIA.

Pre Open Reasonability Edit

June 14, 2019 08:44:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARQL, AVGO, GBT, JDST, NUGT, OIL.

Pre Open Reasonability Edit

June 13, 2019 09:20:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MPAA, UCO.

Pre Open Reasonability Edit

June 13, 2019 09:15:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BYND, CONE, HP, LULU, OILD, OXM, RRGB.

Pre Open Reasonability Edit

June 13, 2019 08:41:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLVS, DLPH, OILU, OXM, RH.

Pre Open Reasonability Edit

June 12, 2019 09:10:28

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: MTRX.

Pre Open Reasonability Edit

June 12, 2019 08:50:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MX, OILD, PLAY, SCO, TTD, UCO.

Pre Open Reasonability Edit

June 12, 2019 08:07:17

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

June 11, 2019 09:11:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARW, BYND, CASY, CBAY, CHAU, CTRE, GLYC, GRUB, HDS, HRB, HRI, SOXL, SYMC.

Pre Open Reasonability Edit

June 10, 2019 09:20:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BYND, DATA, DFEN, DOMO, EVR, LYB, NSSC, PAYC, TLRY, UPLD.

Pre Open Reasonability Edit

June 10, 2019 08:49:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CRM, DUST, FICO, JDST, NEO, ONCE, PTCT, RTN, SFLY.

Pre Open Reasonability Edit

June 07, 2019 09:06:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BYND, CRSP, DOCU, DOMO, DRE, IJR, ZM.

Pre Open Reasonability Edit

June 07, 2019 08:45:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BKS, MTN, SNY, ZUMZ.

Pre Open Reasonability Edit

June 06, 2019 09:19:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EROS, SFIX.

Pre Open Reasonability Edit

June 06, 2019 08:59:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CIEN, CLDR, CMTL, HIIQ, HOME, KIRK, MIK, SAIC.

Pre Open Reasonability Edit

June 05, 2019 09:26:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EVR, HQY, PVTL.

Pre Open Reasonability Edit

June 05, 2019 08:55:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBA, CCXI, GME, NUGT, OILD.

Pre Open Reasonability Edit

June 05, 2019 08:23:37

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

June 04, 2019 09:25:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GOOGL, KAI, MRTX, NAV, SOXL.

Pre Open Reasonability Edit

June 04, 2019 09:02:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOX, COUP, CSU, EBIX, LXRX, MOS, PZZA, SCCO, SGMS, TROX.

Pre Open Reasonability Edit

June 03, 2019 09:20:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: LYV, MAG, MRTX, ROM, RUSL, SOXL.

Pre Open Reasonability Edit

June 03, 2019 08:44:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIG, CNC, CY, CYOU, EBS, EE, GOOG, GOOGL, OILD.

Pre Open Reasonability Edit

May 31, 2019 09:20:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EWW, GDOT, MOAT, SNP, VMW, ZUO.

Pre Open Reasonability Edit

May 31, 2019 09:01:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD, ALGN, AYI, BIG, BWA, GCO, GPS, KSU, LEA, MGA, NTNX, OILD, OILU, OKTA, RRGB, STZ, ULTA, UVXY, VIXY, WSM.

Pre Open Reasonability Edit

May 30, 2019 08:59:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BURL, KEYS, SAFM, SAVE, TLYS, VIA.

Pre Open Reasonability Edit

May 30, 2019 08:40:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CNQ, CNSL, DG, MOV, PANW, PVH, VEEV.

Pre Open Reasonability Edit

May 29, 2019 08:42:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANF, BLMN, CARA, GOOS, HEI, OILD, OILU, STOR.

Pre Open Reasonability Edit

May 29, 2019 08:03:16

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

May 28, 2019 09:11:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EGO , FAF , PLAN , RGNX , SEAS , TSS.

Pre Open Reasonability Edit

May 28, 2019 09:01:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATVI , GREK , MOMO , MYGN , SDRL.

Pre Open Reasonability Edit

May 24, 2019 09:08:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GPN, NVCR, PPC, TOL, ZEUS.

Pre Open Reasonability Edit

May 24, 2019 08:59:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADSK, CNSL, DECK, FL, HIBB, SPG, TSS, VSAT.

Pre Open Reasonability Edit

May 23, 2019 09:00:00

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SOXL

Pre Open Reasonability Edit

May 23, 2019 08:51:06

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACM, BEAT, ENR, HTHT, LB, NTAP, OILD, OILU, SAVE, SINA, VFC, VIXY, WB, WERN.

Pre Open Reasonability Edit

May 22, 2019 09:25:35

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: NEO, RE, TOL.

Pre Open Reasonability Edit

May 22, 2019 08:50:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBA, JWN, LOW, PSTG, QCOM, SCHE, SE, SSL, TGT, URBN, VFC.

Pre Open Reasonability Edit

May 22, 2019 08:22:41

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

May 21, 2019 09:19:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARWR, AZO, BPY, EURL, LITE, PII, SOXL, UVXY.

Pre Open Reasonability Edit

May 21, 2019 08:46:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BCRX, CIR, KSS, MGK, MNK, MRVL, WRK.

Pre Open Reasonability Edit

May 20, 2019 09:12:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IPHI, LITE, RETL, TECL, TMUS.

Pre Open Reasonability Edit

May 20, 2019 08:58:49

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SOXL.

Pre Open Reasonability Edit

May 20, 2019 08:44:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AIZ, CRTO, FCAU, INDL, MDCO, PTLA, REW, S, SWKS.

Pre Open Reasonability Edit

May 17, 2019 09:28:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BIDU, SSNC.

Pre Open Reasonability Edit

May 17, 2019 09:22:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CUB, SFE.

Pre Open Reasonability Edit

May 17, 2019 08:57:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOOT, CRAY, EDC, YANG.

Pre Open Reasonability Edit

May 16, 2019 09:08:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRG , LITE , MRTX , NICE.

Pre Open Reasonability Edit

May 16, 2019 08:48:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AGIO , IOVA , MMYT , NKTR , QIWI , WIFI , WIX , ZEUS.

Pre Open Reasonability Edit

May 15, 2019 09:24:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, NRG, UNIT, VIRT, WERN.

Pre Open Reasonability Edit

May 15, 2019 09:09:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMRC, CBD, EGHT, GGAL, IMGN, SSYS, TCS.

Pre Open Reasonability Edit

May 15, 2019 07:55:11

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

May 14, 2019 09:09:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DQ, GDS, IONS, SLDB, SPSM, UVXY, YANG.

Pre Open Reasonability Edit

May 14, 2019 08:56:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CYBR, FCEL, IMMR, KNDI, XNET.

Pre Open Reasonability Edit

May 13, 2019 09:21:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBR , EHTH , TECL , VIXY.

Pre Open Reasonability Edit

May 13, 2019 09:07:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU , BZQ , BZUN , CHAU , CPRX , EDC , EEV , INSY , LABD , LABU , OILU , PI , QLD , SHLX , SNAP , SPXU , SRPT , SVXY , TNA , TQQQ , UPRO , UVXY , VIIX , WFT , XOG , YANG , ZUMZ.

Pre Open Reasonability Edit

May 10, 2019 09:24:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIO, BLD, BPL, CARG, FSCT, GH, MOMO.

Pre Open Reasonability Edit

May 10, 2019 08:49:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALRM, ARGT, FDC, FGEN, JD, JOBS, NVRO, PBYI, SYMC, TRUE, TRXC, UBNT, WYNN, YELP, Z, ZG.

Pre Open Reasonability Edit

May 09, 2019 09:18:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CDNA, ROKU.

Pre Open Reasonability Edit

May 09, 2019 08:55:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AERI, AXGN, CNDT, CPA, CXW, ELF, ETSY, FOXA, GDOT, ICPT, KAR, NVEE, NWPX, RYAM, SRCL, STMP.

Pre Open Reasonability Edit

May 08, 2019 09:21:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ESPR, IPHI, NVTA, RGNX.

Pre Open Reasonability Edit

May 08, 2019 09:07:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CECE, DDD,EA, GTN, INGN, MCHP, MTCH, NYT, PAGP, PBPB, PTLA, PZZA, SLRC, SUPN, TRIP, TWOU, YRCW, ZAYO.

Pre Open Reasonability Edit

May 08, 2019 08:18:32

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

May 07, 2019 09:04:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BAM , DISH , VECO.

Pre Open Reasonability Edit

May 07, 2019 08:46:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AIG , AKRX , ARMK , ASNA , CPRX , CROX , GWPH , HIIQ , KALU , MNK , NLS , OILU , OLLI ,  PICK , PTCT , RACE , SEDG , TXMD , UVXY , UYG , XENT , YANG.

Pre Open Reasonability Edit

May 06, 2019 09:30:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALFA, AMZN, IWO, MKSI.

Pre Open Reasonability Edit

May 06, 2019 09:01:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACAD, ADAP, ADNT, ASHR, ASHS, BLUE, BRKS, BRZU, BZUN, CHAD, CHAU, CQP, DNKN, DQ, EDC, EDZ, EPAY, ESPR, HMSY, HTHT, ILMN, LABU, LNG, MOMO, SBGI, TAL, TECL, TQQQ, UVXY, VCRA, VICR, VIIX, VIXY, VXX, WB, WUBA, XPP, YANG, YINN.

Pre Open Reasonability Edit

May 03, 2019 09:18:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANET, APPN, BRKR, CTSH, DATA, EPAY, EXPE, FND, FTNT, G, GMED, HCC, HLF, ICPT, NMST, RPD, SRCL.

Pre Open Reasonability Edit

May 03, 2019 08:53:30

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMZN, CRC, FCAU, MARA, MELI, OLED, RMD, SHAK, XRAY, ZIXI.

Pre Open Reasonability Edit

May 02, 2019 09:20:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DMRC, EB, FARO, FNV, TPX, TSLA, WLL.

Pre Open Reasonability Edit

May 02, 2019 08:48:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABMD, AMOT, APO, CREE, FLR, PENN, RTRX, SSYS, UA, UAA, W, XPO, ZNGA.

Pre Open Reasonability Edit

May 01, 2019 09:25:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAPL, AKAM, BMCH, BPOP, CAMP, CVS, ENPH, EXTR, FTR, HRTX, IPHI, LIVN, MGPI, MTOR, NUS, NVS, PCRX, RCL, SM, TNDM, TWLO, VCYT.


Pre Open Reasonability Edit

May 01, 2019 07:58:36

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

April 30, 2019 09:20:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CVLT, IIN, MKSI, PRGO, STX, TDG, VRNX.

Pre Open Reasonability Edit

April 30, 2019 09:07:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IIN, PRGO, STX, VRNX.

Pre Open Reasonability Edit

April 30, 2019 09:05:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGNX, CRTO, FLWS, FOLD, GHL, GOOG, GOOGL, MLM, NXPI, PI, SANM, TREX, TTS, TXRH, WAGE, WDC, WWD, YUMC.


Pre Open Reasonability Edit

April 29, 2019 09:17:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GDI, IR, VNE.

Pre Open Reasonability Edit

April 29, 2019 08:50:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CYOU, HCC, MELI, MOMO, NHTC.

Pre Open Reasonability Edit

April 26, 2019 09:23:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AEO, ATEN, BEAT, BGG, BLMN, GRUB, GT, HEP, HP, INTC, INTU, INVA, MDCO, PETX, POWI, PTEN, QRVO, RING, SFLY, SOXL, SSTK, TREE, WDC.

Pre Open Reasonability Edit

April 25, 2019 09:29:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DLX, ORLY SSTK, WWE.

Pre Open Reasonability Edit

April 25, 2019 08:48:15

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAN, ACHC, BCOV, CLF, CNSL, CRC, FB, FBHS, HEES, ITW, LEG, LKQ, MMLP, MMM, MSFT, NOW, NTGR, PRLB, PTC, ROK, SAVE, TERP, TZOO, XLNX.

Pre Open Reasonability Edit

April 24, 2019 08:58:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MANH, TEL.

Pre Open Reasonability Edit

April 24, 2019 08:38:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APC, APH, DPZ, HCC, IRBT, OC, OXY, RES, RHI, SAP, SLAB, TER.

Pre Open Reasonability Edit

April 24, 2019 08:25:05

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

April 23, 2019 09:04:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASTE, CDNS, CHDN, GNC, HAS, LMT, TWTR, WAT, WHR.

Pre Open Reasonability Edit

April 22, 2019 08:41:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AKRX , CRC , DGS , ENS , FTEK , GGAL , GIII , ISRG , KEYW , MDSO , MX , OILU , PKI , RAD , SDRL , TZOO , UCO.

Pre Open Reasonability Edit

April 18, 2019 09:30:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGC, CHKP, CP, PLXS, PODD, SNA, SNBR.


Pre Open Reasonability Edit

April 18, 2019 08:41:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BGNE, BX, HTHT, NXRT, PLXS, SKX, TEAM, URI.

Pre Open Reasonability Edit

April 17, 2019 09:18:35

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SOXL.

Pre Open Reasonability Edit

April 17, 2019 09:15:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BK, CEVA, JJC, SBNY, TXT.

Pre Open Reasonability Edit

April 17, 2019 08:48:08

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABB, AEO, EBS, HOLI, NFLX, POL, QCOM.

Pre Open Reasonability Edit

April 17, 2019 08:08:47

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only:  SPX.

Pre Open Reasonability Edit

April 16, 2019 09:23:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BRS, IP, KAR, MGP, PACW, SGMS.

Pre Open Reasonability Edit

April 16, 2019 08:45:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD, CHAU, RECN.

Pre Open Reasonability Edit

April 15, 2019 09:12:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADSW , AMRS , VIA.

Pre Open Reasonability Edit

April 15, 2019 08:31:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD , ASMB , AXTA , BOOM , CLVS , GOGO.

Pre Open Reasonability Edit

April 12, 2019 09:15:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CXO, DIS, XEC.

Pre Open Reasonability Edit

April 12, 2019 08:43:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMRS, APA, APC, BRZU, BSMX, DLS, DRIP, GASX, GUSH, KBE, PXD, WES.


Pre Open Reasonability Edit

April 11, 2019 08:48:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APOG, BBBY, ESV, ICPT.

Pre Open Reasonability Edit

April 10, 2019 09:18:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: FSLR, GH, HGV, MSM, MYGN, NTRA, WVE.

Pre Open Reasonability Edit

April 10, 2019 08:53:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CALX, TPX.

Pre Open Reasonability Edit

April 10, 2019 08:01:51

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

April 09, 2019 08:53:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CERN, HOLI, LNN, NVS, PNR, RUTH, ZGNX.

Pre Open Reasonability Edit

April 09, 2019 08:50:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CERN, HOLI, LNN, NVS, PNR, RUTH, ZGNX.

Pre Open Reasonability Edit

April 08, 2019 16:50:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BA, BPT,FICO, ROKU, SPR.

Pre Open Reasonability Edit

April 08, 2019 16:48:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BPI, FRO, MARA, QDEL, TGI, Z.

Pre Open Reasonability Edit

April 05, 2019 09:21:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CCS, LIVN, NXST, SYRS, TGI.

Pre Open Reasonability Edit

April 05, 2019 09:14:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOOT, BPI, MACK, PKD, QSR, SAM, SIX, SJR.

Pre Open Reasonability Edit

April 04, 2019 09:16:29

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: LNDC.

Pre Open Reasonability Edit

April 04, 2019 08:58:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BPI, BZUN, JBL, ODP, PH, RECN, RRGB, TSLA.

Pre Open Reasonability Edit

April 03, 2019 09:26:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SUI, ZNH.

Pre Open Reasonability Edit

April 03, 2019 09:25:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SUI, ZNH.

Pre Open Reasonability Edit

April 03, 2019 08:48:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADXS, AMD, BOOM, GME, MSM, NUVA, PLAY, USNA, VVUS.

Pre Open Reasonability Edit

April 03, 2019 08:02:57

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

April 02, 2019 09:28:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADMA, R.

Pre Open Reasonability Edit

April 02, 2019 09:21:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: VIVO, XNET.

Pre Open Reasonability Edit

April 02, 2019 08:41:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APU, COMM, MGP, SGMO, SNH, UGI, WBA.

Pre Open Reasonability Edit

April 01, 2019 09:18:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BHF, BOOM, CHAU, PBYI, SCOR, SOXL.

Pre Open Reasonability Edit

April 01, 2019 09:00:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADXS, AIR, AJRD, BRZU, CALM, ENVA, KTOS, MT, ON, PKX, RYAAY, SID, SORL.

Pre Open Reasonability Edit

March 29, 2019 09:26:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ELAN, GLPG, HNP, MAN, SGH.

Pre Open Reasonability Edit

March 29, 2019 08:51:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AZN, BRZU, CHAU, EXP, HOV, KMX, OILD, OILU, OXM, PRGS, RH, SAIC, ZNH.

Pre Open Reasonability Edit

March 28, 2019 09:20:56

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only:  QTNA.

Pre Open Reasonability Edit

March 28, 2019 09:05:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AIR, AMRN, COLM, CPLP, EDIT, FIVE, LULU, MGK, MOV, NLSN, PVH, PXH, VRNT, WBC.

Pre Open Reasonability Edit

March 27, 2019 09:24:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA, BZQ, WCG.

Pre Open Reasonability Edit

March 27, 2019 09:02:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CNC, CRR, HOME, SCVL, TITN, TUR, XHR.

Pre Open Reasonability Edit

March 27, 2019 08:22:12

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

March 26, 2019 09:14:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALDX, CRMD, TR, XLRN.

Pre Open Reasonability Edit

March 26, 2019 08:41:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBBY, BGNE, CDNS, COLL, MLHR, PSTG, UVXY.

Pre Open Reasonability Edit

March 25, 2019 09:20:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVYA, IPHT, NCTY, PTI, SYF.

Pre Open Reasonability Edit

March 25, 2019 09:09:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGNX, CRIS, EPAM, FGEN, GIL.

Pre Open Reasonability Edit

March 22, 2019 09:11:04

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: ZUO.

Pre Open Reasonability Edit

March 22, 2019 08:50:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, BZQ, HIBB, YANG.

Pre Open Reasonability Edit

March 21, 2019 08:55:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AGN, CHDN, ENS, GES, MLHR, RAVN, WIFI.

Pre Open Reasonability Edit

March 20, 2019 09:21:26

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SMAR.

Pre Open Reasonability Edit

March 20, 2019 09:02:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AIR, FDX, NVRO, SAGE, TWI, VRTV.

Pre Open Reasonability Edit

March 19, 2019 08:54:15

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: COLM, FOE, LSI, THC, WAGE, YEXT.

Pre Open Reasonability Edit

March 19, 2019 08:25:33

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

March 18, 2019 09:19:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBU , ATNI.

Pre Open Reasonability Edit

March 18, 2019 08:37:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DK , GES , IOVA , SYNA , THO.

Pre Open Reasonability Edit

March 15, 2019 09:16:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DOCU , HEAR , ULTA.

Pre Open Reasonability Edit

March 15, 2019 08:45:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADMP , ASNA , ASUR , AVGO , HIIQ , IRDM , KPTI , MDCA , REFR , SMTX , ZUMZ.

Pre Open Reasonability Edit

March 14, 2019 08:47:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASMB , BBW , BMS , CLDR , EGAN , ESPR , GGAL , ICON , ORA , SMSI , SMTC , TLRD.

Pre Open Reasonability Edit

March 13, 2019 08:41:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APEI , CARA , CLNE , OLN , SNCR , WLL.

Pre Open Reasonability Edit

March 13, 2019 08:31:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SPXW.

Pre Open Reasonability Edit

March 12, 2019 08:58:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: SFIX.

Pre Open Reasonability Edit

March 12, 2019 08:46:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BA , FANH , FRO , NM , ZFGN.

Pre Open Reasonability Edit

March 11, 2019 09:02:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BA

Pre Open Reasonability Edit

March 11, 2019 08:36:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BSQR , CFX , MT.

Pre Open Reasonability Edit

March 08, 2019 09:22:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EB

Pre Open Reasonability Edit

March 08, 2019 08:45:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALT , COST , CTRE , CYTK , ERII , FIZZ , INSY , KFY , MDCA , NSTG , NVEE , OKTA , SGYP , TRVN.

Pre Open Reasonability Edit

March 07, 2019 09:01:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALT, RGNX.

Pre Open Reasonability Edit

March 07, 2019 08:42:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CMTL, GWRE, HIIQ, JILL, NXPI, OHRP, REVG, SQM.

Pre Open Reasonability Edit

March 06, 2019 09:07:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: NIO , WLTW.

Pre Open Reasonability Edit

March 06, 2019 08:55:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALNY , AMBA , ANF , AON , AVAV , THO , ZAYO.

Pre Open Reasonability Edit

March 06, 2019 08:03:04

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

March 05, 2019 09:18:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ADMS, ALGN, TGT, VRTV, WB.

Pre Open Reasonability Edit

March 05, 2019 08:51:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AEO, CTRP, IHF, INDL, KSS, PTR. TDW.

Pre Open Reasonability Edit

March 04, 2019 09:29:29

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: ABEO.

Pre Open Reasonability Edit

March 04, 2019 08:42:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CSII, FWONK, GALT, SE, WRE.

Pre Open Reasonability Edit

March 01, 2019 09:28:30

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALRM, BIO, CHIC, EBIX, FNKO, FTCH, IMGN, MGPI, SPLK, WPP, ZS.

Pre Open Reasonability Edit

March 01, 2019 09:05:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ESPR, FL, GPS, HABT, INGN, KIRK, NTNX, PBYI, PTLA, RETL, SRCL, TGNA, TSLA, UVE, WUBA, XON, XRAY.

Pre Open Reasonability Edit

February 28, 2019 09:20:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANSS, BKNG, BID, ESTC, RGNX, SEAS, VAC.

Pre Open Reasonability Edit

February 28, 2019 08:58:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOX, BSQR, BUD, CELG, CRC, CROX, CVNA, FIT, HPQ, HZNP, JCP, JD, KW, MNST, NVAX, ORBC, PRTY, RUBI, SQ, TDOC, TGTX, WBC, WIFI.

Pre Open Reasonability Edit

February 27, 2019 09:14:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAXN, HZNP, JAZZ, MED, SRPT, VSM.


Pre Open Reasonability Edit

February 27, 2019 08:48:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBY, BGS, BNFT, DF, DY, ELF, GWPH, INGN, KPTI, MELI, MIDD, MYL, OILD, OILU, PANW, PGTI, PLNT, SE, SHOO, SMLP, TNDM, WATT, WLL, WTW.

Pre Open Reasonability Edit

February 27, 2019 08:24:59

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

February 26, 2019 09:25:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASHS, AYX, MEDP, MLNT, RP, USCR, WP.

Pre Open Reasonability Edit

February 26, 2019 08:49:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AERI, AZO, CDEV, DDS, ETSY, GSM, HSII, HTZ, I, MNK, MOS, PRFT, RDFN, SAGE, SJM, THC, TREE, TWOU, UCTT, ZYNE. 

Pre Open Reasonability Edit

February 25, 2019 09:33:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CRSP, MANU, PLAN RGNX, SINA, YINN.

Pre Open Reasonability Edit

February 25, 2019 08:55:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASHR, ATH, BLUE, BZUN, CHAD, CHAU, CRI, CRTO, DHR, EDIT, FENG,  JD, LABD, LABU, MOMO, OILD, OILU, ONCE, QURE, RDWR, RRGB, TEX, WB, YANG.

Pre Open Reasonability Edit

February 22, 2019 09:26:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAOI, APPN, BEAT, BOOM, CASA, CATM, DPLO, ORC, ROKU, WGO, Z, ZG.

Pre Open Reasonability Edit

February 22, 2019 08:41:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  B, BJRI, BYD, CHAU, FIX, INT, KHC, MDRX, NHTC, NVRO, OLED, STMP, SWM, TREE, TTD, UCTT, W, XOG.

Pre Open Reasonability Edit

February 21, 2019 09:17:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BG, CBLK, CYH, GIL, KL, PEGA, VIPS.

Pre Open Reasonability Edit

February 21, 2019 08:42:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALB, CAR, CNSL, DIN, DPZ, EGRX, EVTC, FARO, JACK, LOPE, MANU, MIC, NCLH, SATS, SFM.

Pre Open Reasonability Edit

February 20, 2019 09:08:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AJRD, CODI, CRMT, EVBG, INST, OSPN, POOL.

Pre Open Reasonability Edit

February 20, 2019 08:45:08

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAWW, BRZU, CDNS, CXO, DVN, FIVN, GRMN, HSIC, UBS, WIX.

Pre Open Reasonability Edit

February 20, 2019 07:54:08

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

February 19, 2019 09:20:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  CNDT, ICPT, PCG, WIN.

Pre Open Reasonability Edit

February 19, 2019 08:52:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARNA, CALA, HRTX, UNIT, WTW.

Pre Open Reasonability Edit

February 19, 2019 08:46:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARNA, CALA, HRTX, UNIT, WTW.

Pre Open Reasonability Edit

February 15, 2019 08:32:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACET , AKAO , ANET , CAAS , CZR , LOGM , NVDA , NWL , TNET , XPO , TRUE.

Pre Open Reasonability Edit

February 14, 2019 09:13:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IFF , MFGP , SNBR.

Pre Open Reasonability Edit

February 14, 2019 09:06:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVX , AZN , BKD , BWA , CPA , CTL , CYBR , DUG , FOSL , HUBS , ONO , NSIT , NTAP , PTX , SIX , SWIR , TRU.

Pre Open Reasonability Edit

February 13, 2019 09:11:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APTV, IAC, MDY, WYND.

Pre Open Reasonability Edit

February 13, 2019 08:48:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACCO, AVX, BLL, CFX, CRAY, CRTO, CVE, DBD, DISH, IPG, LPX, LSCC, MYGN, QLYS, TEVA, TRIP, UIS.

Pre Open Reasonability Edit

February 13, 2019 08:45:49

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

February 12, 2019 09:17:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: IPGP , MAS , MDGL , MIME , NKTR , PYX , RAMP , RNG , VRNS.

Pre Open Reasonability Edit

February 12, 2019 09:08:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRS , BRZU , CHGG , CLD , COTY , DIG , DKL , EA , ELLI , ESPR , FRO , MDSO , OILD , OILU , OMC , ONDK , POOL , PTX , SHOP , TAP , TRVN , VECO.

Pre Open Reasonability Edit

February 11, 2019 09:00:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CAMT, DXCM, NSP.

Pre Open Reasonability Edit

February 11, 2019 08:48:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOIL, CAR, HES, KOLD, L, NUVA, RDY.

Pre Open Reasonability Edit

February 08, 2019 09:19:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EGAN, FSCT, MHK, SSL, UBNT.

Pre Open Reasonability Edit

February 08, 2019 08:50:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BECN, BLMN, CARB, CGNX, COLM, COTY, DXC, EXPE, HAS, LGND, MAT, MDC, PSX, QNST, QRVO, QURE, RPD, SGEN, SYNA, VCRA, VSAT.

Pre Open Reasonability Edit

February 07, 2019 09:19:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADS , ESTC , NXPI , SNA , TPR , TWTR , UVXY

Pre Open Reasonability Edit

February 07, 2019 09:11:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADNT , AVDL , CAH , CMG , DNKN , ELGX , FCA , FEYE , HAIN , IRBT , LCI , LCII , MD , MTCH , MTN , OSUR , PRLB , SPRT , STI , USAT , ZNGA.

Pre Open Reasonability Edit

February 06, 2019 09:28:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARLO, ATVI, BPMC, BRKS, BZQ, MKL, MTSI, TRVG.

Pre Open Reasonability Edit

February 06, 2019 08:39:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CSIQ, CSTE, EA, MCHP, PAYC, PLT, SFLY, SNAP, SWKS, TTWO, USNA, VNDA, ZEN.

Pre Open Reasonability Edit

February 06, 2019 08:20:58

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

February 05, 2019 09:10:42

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALLT , AMRS , CE , CHD , CNC , CTRL , EL , GLUU , OPK , PVH , RDWR , RL , SCHF , SCHG , SCHV , STAA , STX.

Pre Open Reasonability Edit

February 04, 2019 09:10:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLX , ELLI , VGK.

Pre Open Reasonability Edit

February 04, 2019 09:02:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AM , AMSC , BOIL ,LN ,MTCH ,ULTI ,UPL , ZYNE.

Pre Open Reasonability Edit

February 01, 2019 09:21:17

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: EPAY.

Pre Open Reasonability Edit

February 01, 2019 09:02:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMZN, BAH, CI, CLS, CYOU, DECK, FND, IDXX, KLIC, NEPT, PFPT, SYMC, TECK.

Pre Open Reasonability Edit

January 31, 2019 08:35:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CHTR, DISCA, DISCK, FB, FLEX, GHL, HRB, MDC, MLNX, NOW, VLO, WDAY.

Pre Open Reasonability Edit

January 30, 2019 09:41:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ALGN, DFEN, EVR, RCL.

Pre Open Reasonability Edit

January 30, 2019 08:40:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAP, AMD, ANTM, BA, COHR, CONN, EGHT, GNTX, JNPR, MLNX, MRCY, NSTG, OSK, RTRX, SLAB, SYK, TECL, TUP.

Pre Open Reasonability Edit

January 30, 2019 08:13:05

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

January 29, 2019 09:08:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HRS, HOG, TVTY.

Pre Open Reasonability Edit

January 29, 2019 08:49:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CE, DDD, GLW, GME, MMM, MTOR, PII, SANM, SSYS, VZ, WHR, WWD, XRX.

Pre Open Reasonability Edit

January 28, 2019 09:14:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, NEP, NVDA, VALE.

Pre Open Reasonability Edit

January 28, 2019 08:46:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARCB, ATHM, BOIL, CAT, CHFC, DLNG, INDL, KOLD, TCF, UNG.

Pre Open Reasonability Edit

January 25, 2019 09:27:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABBV, STX,

Pre Open Reasonability Edit

January 25, 2019 09:01:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGC, WGP.

Pre Open Reasonability Edit

January 25, 2019 08:36:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: INTC, INTL, OSIS, PCG, RMD, WAL, WDC.

Pre Open Reasonability Edit

January 24, 2019 09:08:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMAT, B, BG, CP, SOXL, TER.

Pre Open Reasonability Edit

January 24, 2019 08:34:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  AAL, AZPN, BGG, CTXS, LRCX, LUV, MKC, PTC, SLM, TXT, XLNX.



Pre Open Reasonability Edit

January 23, 2019 09:05:23

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EHTH, IBM, POR, SINA, VIA.

Pre Open Reasonability Edit

January 23, 2019 08:55:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: LRN, PTCT, QSR, SYF, TSE.

Pre Open Reasonability Edit

January 23, 2019 08:40:45

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPXW.

Pre Open Reasonability Edit

January 22, 2019 09:22:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: EDU, OILD.

Pre Open Reasonability Edit

January 22, 2019 08:44:55

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAXN, ARNC, BAK, BOIL, DIG, EBAY, GTT, PETS, PTR, RYAAY, SWK, TGTX, UNG.

Pre Open Reasonability Edit

January 18, 2019 09:08:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  JBHT, VFC.

Pre Open Reasonability Edit

January 18, 2019 08:40:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALRM, BOIL, HRTX, KOF, NLS, TSLA.

Pre Open Reasonability Edit

January 17, 2019 09:08:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  CARS, SSTK.

Pre Open Reasonability Edit

January 17, 2019 08:37:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BOIL, FUL, OILD, PLXS, SBLK, SIG, UCO, ZFGN.

Pre Open Reasonability Edit

January 16, 2019 09:08:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BAC, FISV, PCG.

Pre Open Reasonability Edit

January 16, 2019 08:35:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BAM, BOIL, JWN, MERC.

Pre Open Reasonability Edit

January 16, 2019 08:25:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADNT, EFII, FDC, PCB, SNAP, UAL.

Pre Open Reasonability Edit

January 16, 2019 08:03:09

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SPX.

Pre Open Reasonability Edit

January 15, 2019 09:26:25

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALNY, CVI, OILD, PPG, SHW, UTHR, VHC.

Pre Open Reasonability Edit

January 15, 2019 09:15:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APRN, PCG, PLAY, SSYS.

Pre Open Reasonability Edit

January 14, 2019 09:21:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ALSN, ASNA, NEM, SNV.

Pre Open Reasonability Edit

January 14, 2019 08:41:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATHM, BOIL, BOOT, GCI, KOLD, PCG, PE, TA,TLRD, UNG.

Pre Open Reasonability Edit

January 11, 2019 09:11:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MTN, PVH, TLRY.

Pre Open Reasonability Edit

January 11, 2019 08:33:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALKS, ATHM, ATVI, LKQ, SNX, WTW.

Pre Open Reasonability Edit

January 10, 2019 09:22:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: RXL, WGO.

Pre Open Reasonability Edit

January 10, 2019 08:42:42

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only:  MDB.

Pre Open Reasonability Edit

January 10, 2019 08:37:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAL, BBBY, BBL, CXW, HEI, JWN, KSS, LB, M, URBN, YELP.

Pre Open Reasonability Edit

January 09, 2019 09:23:33

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: SGH.

Pre Open Reasonability Edit

January 09, 2019 09:14:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMCX, BRZU, FMX, NEO, OILD, OSK, SCO, STE, STZ, TRNO, TTC,  WD, WOR.

Pre Open Reasonability Edit

January 09, 2019 08:44:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLVS, GMED, ST, SUPN, TCBI, TDC, TGI, VIRT.

Pre Open Reasonability Edit

January 09, 2019 08:14:25

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only:  SPXW.

Pre Open Reasonability Edit

January 08, 2019 09:15:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAXN, CPG, MOH.

Pre Open Reasonability Edit

January 08, 2019 08:38:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HCA, LKQ, MYGN, RBA, RH, UNP, VET.

Pre Open Reasonability Edit

January 07, 2019 09:21:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BPMC, DXCM, EXAS, FANG, ICPT, LABD, LYB, NHTC, OILD, PCG, SRPT.

Pre Open Reasonability Edit

January 07, 2019 08:38:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLVS, INSM, LOXO, LXFT, NEPT, SAGE.

Pre Open Reasonability Edit

January 04, 2019 09:16:08

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: RMD, SCO, TECS, XPO.

Pre Open Reasonability Edit

January 04, 2019 08:42:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBL, BOIL, CHAU, CRTO, DRIP, EPZM, ERY, ESPR, FTEC, GME, HTHT, KOLD, OILD, RPM, TGP, UVXY, W, WY, YANG, YINN.

Pre Open Reasonability Edit

January 03, 2019 09:24:58

Pre-opening price reasonability checks have been turned off for the following class on Cboe Options only: WIX.

Pre Open Reasonability Edit

January 03, 2019 09:08:15

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARR, BGNE, CRUS, LOGI, PCRX, SBS, TECL.

Pre Open Reasonability Edit

January 03, 2019 08:38:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAPL, BMY, CELG, DQ, LITE, TECL, TECS.

Pre Open Reasonability Edit

January 02, 2019 09:19:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BHE , FBHS , SQQQ.

Pre Open Reasonability Edit

January 02, 2019 09:05:42

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: OILD , TQQQ.

Pre Open Reasonability Edit

January 02, 2019 09:00:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANET , BITA , MT , NTGR , QLD , SPXU , TECS , TSLA , WRE , YANG.

Pre Open Reasonability Edit

January 02, 2019 08:39:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: DVN , LABU , SPXL , SPXS , UVXY.