Reasonability Notices

Cboe is closed for the weekend.

Last Updated 11:06:40 GMT

Pre Open Reasonability Edit

September 21, 2018 09:15:29

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

Pre Open Reasonability Edit

September 21, 2018 09:14:02

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

Pre Open Reasonability Edit

September 21, 2018 08:54:51

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALT, CPRT, DTEA, EGC, INDL, LASR, LGCY, MDXG, MZOR, NBEV, SCS, SRPT, TLRY, UNFI.

Pre Open Reasonability Edit

September 20, 2018 09:24:40

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

Pre Open Reasonability Edit

September 20, 2018 09:10:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALT,DRI,FOLD,GALT,GDS,LCI,LW,MLHR,MZOR

 RHT,THO,TLRY,VICR

Pre Open Reasonability Edit

September 19, 2018 08:59:39

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

Pre Open Reasonability Edit

September 19, 2018 08:58:30

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

Pre Open Reasonability Edit

September 19, 2018 08:39:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GWPH, PX, RUSL, RUSS, TLRY.

Pre Open Reasonability Edit

September 19, 2018 08:01:46

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

Pre Open Reasonability Edit

September 18, 2018 08:54:00

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

Pre Open Reasonability Edit

September 18, 2018 08:36:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: APOG, ATHN, AZO, BWA, CBRL, NTNX, OILD, OILU, ORCL, UNP.

Pre Open Reasonability Edit

September 17, 2018 09:06:43

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

Pre Open Reasonability Edit

September 17, 2018 08:56:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ILPT,JD,KMPH,LPL,NTES,SUM,TLRY

Pre Open Reasonability Edit

September 17, 2018 08:41:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GOV,NEPT,REV,SIR,TEVA,TRNC

Pre Open Reasonability Edit

September 14, 2018 08:26:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CVNA, GNTX, IMMR, MOBL, NI, PDS, RLGY, STAA, TERP.

Pre Open Reasonability Edit

September 13, 2018 09:10:25

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

Pre Open Reasonability Edit

September 13, 2018 09:04:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ACOR, ASML, CARA, EDC, EDZ, KR, MOMO, PVTL, RUSL,TLRD, WAGE, WB, XBIT, YANG, YINN, YY.

Pre Open Reasonability Edit

September 13, 2018 08:50:51

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

Pre Open Reasonability Edit

September 13, 2018 08:27:25

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

Pre Open Reasonability Edit

September 12, 2018 09:15:06

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

Pre Open Reasonability Edit

September 12, 2018 08:51:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BHC,COOL,GLPG,LPI,TLRY,ZS

Pre Open Reasonability Edit

September 12, 2018 08:46:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BGNE,CHUY,FOMX,GILD,MU,VTL

Pre Open Reasonability Edit

September 12, 2018 08:13:55

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

Pre Open Reasonability Edit

September 11, 2018 09:16:38

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

Pre Open Reasonability Edit

September 11, 2018 09:13:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CASY, EDC, EDZ, GLPG, SONO, TLRY.

Pre Open Reasonability Edit

September 11, 2018 08:55:06

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BZQ, FRAN, IDTI, MTRX, PACB, USAT, XPP, YANG, YINN, YUMC.

Pre Open Reasonability Edit

September 10, 2018 09:14:33

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

Pre Open Reasonability Edit

September 10, 2018 08:47:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASML, ECYT, OSTK, RH, TSLA, TXRH, WTW.

Pre Open Reasonability Edit

September 07, 2018 09:20:10

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

Pre Open Reasonability Edit

September 07, 2018 09:14:03

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

Pre Open Reasonability Edit

September 07, 2018 09:01:20

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

Pre Open Reasonability Edit

September 07, 2018 08:38:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVGO, BRZU, BZQ, EGAN, FIVE, FNSR, GCO, ING, MRVL, OKTA, PANW.

Pre Open Reasonability Edit

September 06, 2018 09:01:56

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

Pre Open Reasonability Edit

September 06, 2018 08:44:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARWR, AVAV, CLDR, CTRP, GIII, GWRE, IOVA, LE, MBUU, NVCR, VRNT.

Pre Open Reasonability Edit

September 05, 2018 09:16:38

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

Pre Open Reasonability Edit

September 05, 2018 08:59:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CAL, COUP, EDC, EDZ, HDS, HQY, NEPT, NSU, RH, SGMO, TLYS, TSRO, VCEL, VRA, WATT, YANG, YINN.

Pre Open Reasonability Edit

September 05, 2018 08:14:01

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

Pre Open Reasonability Edit

September 04, 2018 09:15:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANET,EDC,EDZ,PBYI,PCG,SIG,WPP.

Pre Open Reasonability Edit

September 04, 2018 08:48:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU,BZQ,CMCM,CONN,OILD,OILU.

Pre Open Reasonability Edit

August 31, 2018 09:12:07

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

Pre Open Reasonability Edit

August 31, 2018 08:41:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBA, AOBC, BIG, COO IDTI, LULU, NTNX, ULTA, VHC.

Pre Open Reasonability Edit

August 30, 2018 09:09:20

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

Pre Open Reasonability Edit

August 30, 2018 08:48:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANF, BURL, DLTR, DVA, EDC, GES, KIRK, PDCO, SHOS, SIG, SMTC, TECD, TITN, TLYS, XPP, YANG, YINN, ZYNE.

Pre Open Reasonability Edit

August 29, 2018 09:08:01

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

Pre Open Reasonability Edit

August 29, 2018 08:47:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AEO, AFMD, BLDP, BOX, DKS, DY, EXPR, GKOS, NCS, RP, SCVL, UIS, YRD.

Pre Open Reasonability Edit

August 29, 2018 08:25:41

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

Pre Open Reasonability Edit

August 28, 2018 09:10:01

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

Pre Open Reasonability Edit

August 28, 2018 09:04:29

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

Pre Open Reasonability Edit

August 28, 2018 08:38:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBY, BRKS, CPB, CTLT, DSW, FANH, HEI, HTHT, IONS, LSCC, RYAAY, TIF.

Pre Open Reasonability Edit

August 27, 2018 09:10:36

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

Pre Open Reasonability Edit

August 27, 2018 08:48:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMWD, EIGI, FXP, NEPT, PTLA, SNP, YANG, YINN.

Pre Open Reasonability Edit

August 24, 2018 09:14:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BZQ,CEO,EDC,EDZ,FBP,IMMU,MDXG,PTLA

VMW.

Pre Open Reasonability Edit

August 24, 2018 08:38:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADSK,ANET,BKE,BRZU,GPS,HIBB,ROST

SDRL,SPLK.

Pre Open Reasonability Edit

August 23, 2018 09:15:05

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

Pre Open Reasonability Edit

August 23, 2018 09:08:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AABA,BMA,FLY,HRL,RYAAY,SAFM

Pre Open Reasonability Edit

August 23, 2018 08:55:18

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

Pre Open Reasonability Edit

August 23, 2018 08:42:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BABA,DXCM,JDST,LB,PLCE,SNPS,TPX,WSM

Pre Open Reasonability Edit

August 22, 2018 09:15:25

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

Pre Open Reasonability Edit

August 22, 2018 09:03:40

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

Pre Open Reasonability Edit

August 22, 2018 08:48:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BITA,EXAS,HIG,LZB,MOMO,OILD,OILU,PSTG

SMCI,TGT,URBN.

Pre Open Reasonability Edit

August 22, 2018 08:36:38

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

Pre Open Reasonability Edit

August 21, 2018 09:26:07

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

Pre Open Reasonability Edit

August 21, 2018 09:11:39

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

Pre Open Reasonability Edit

August 21, 2018 08:47:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMTD,COTY,ETFC,FN,IBKR,JILL,LII,MDT

NDSN,SCHW,TOL.

Pre Open Reasonability Edit

August 20, 2018 09:09:24

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

Pre Open Reasonability Edit

August 20, 2018 08:46:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CMCM,INFY,LCI,SODA,TSLA,YRD.

Pre Open Reasonability Edit

August 17, 2018 09:05:48

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

Pre Open Reasonability Edit

August 17, 2018 08:37:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMAT, AMRS, BRZU, DE, DF, DSW, ESPR, JWN, NTNX, TSLA, ZN.

Pre Open Reasonability Edit

August 16, 2018 08:58:29

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

Pre Open Reasonability Edit

August 16, 2018 08:41:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BGG, CSCO, CVNA, DDS,NTAP, SYMC, UGP, WUBA.

Pre Open Reasonability Edit

August 15, 2018 09:27:26

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

Pre Open Reasonability Edit

August 15, 2018 09:25:20

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

Pre Open Reasonability Edit

August 15, 2018 09:14:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADNT, BZQ, CCMP, CGC, CMG, ERI, GOLD, GXC, INDL, KMG, PETQ, SINA, STZ, UVXY, VIXY, VXX, ZTO.

Pre Open Reasonability Edit

August 15, 2018 08:39:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BABA, BRZU, CHAU, EDC, EDZ, EEV, EGN, FANG, FXP, JD, KWEB, M, MOMO, NTES, PFGC, RUSL, SIGM, WB, WUBA, XPP, YANG, YINN, YY, ZNH.

Pre Open Reasonability Edit

August 15, 2018 08:00:41

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

Pre Open Reasonability Edit

August 14, 2018 09:09:25

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

Pre Open Reasonability Edit

August 14, 2018 08:55:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAP, CSIQ, GFI, NANO, RUSL, TUR, VIPS.

Pre Open Reasonability Edit

August 13, 2018 09:10:19

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

Pre Open Reasonability Edit

August 13, 2018 09:08:25

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

Pre Open Reasonability Edit

August 13, 2018 08:46:06

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALNY, BRZU, DY, EDU, EDZ, NLSN, SYY, TAL, TKC, TUR.

Pre Open Reasonability Edit

August 10, 2018 09:08:47

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

Pre Open Reasonability Edit

August 10, 2018 08:57:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CORT, EDC, EDZ, MCHP, OLED, OSTK, PBYI, PVG, RDFN, RUN, SA, STM, TKC, TTD, TUR, XONE.

Pre Open Reasonability Edit

August 09, 2018 09:23:27

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

Pre Open Reasonability Edit

August 09, 2018 09:04:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ECPG, NCLH, UPLD, WP.

Pre Open Reasonability Edit

August 09, 2018 09:02:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AQMS, ENBL, MHLD, PTLA, TIVO WIN.

Pre Open Reasonability Edit

August 09, 2018 08:44:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACAD, AZUL, BEL, CVNA, DNB, ELF, GEVO, GOOS, JACK, NTES, NVEE, OUT, PRGO, SND, SRPT, STMP, VNOM, WMGI, YANG, YELP, YINN.

Pre Open Reasonability Edit

August 08, 2018 09:15:34

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

Pre Open Reasonability Edit

August 08, 2018 08:58:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMPE, CSTE, INSY, TSLA.

Pre Open Reasonability Edit

August 08, 2018 08:55:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAOI, BECN,  BOOT, CARS, CYBR, DDD, EBIX, ENDP, EXTR, GOGO, HDP, INGN, LITE, MGA, MTCH, NVO, PZZA, QURE, RUSS, SFLY, SINA, TWNK, UTHR, VSI, WK, XEC.

Pre Open Reasonability Edit

August 08, 2018 08:26:23

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

Pre Open Reasonability Edit

August 07, 2018 09:20:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANIP, LGIH, ONDK, WTW.

Pre Open Reasonability Edit

August 07, 2018 09:06:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARRY, HEAR, LGND, RDUS, RNG.

Pre Open Reasonability Edit

August 07, 2018 08:55:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BMRN, CHAU, DF, ETSY, FIVN, IIVI, MNK, NPTN, OILD, OILU, ONCE, SCG, USCR, XRAY, YANG, YINN, Z, ZBRA, ZG.

Pre Open Reasonability Edit

August 06, 2018 08:53:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BID, BLUE, GBT, ICPT, JEC, KOPN, OILD, OILU, PTIE, PX, SEAS, SRDX, TA.

Pre Open Reasonability Edit

August 03, 2018 08:53:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA, ACLS, BRS, CATM, CTLR, DISH, ENLK, IMMR, KHC, MED, NBL, NGVC, PI, PODD, SEDG, SRCL, SWIR, SYMC, TRQ, TSRO, TTWO, VREX, WING.

Pre Open Reasonability Edit

August 02, 2018 09:22:39

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

Pre Open Reasonability Edit

August 02, 2018 09:14:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HUBG, IRTC, PH, RIO.

Pre Open Reasonability Edit

August 02, 2018 09:02:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAWW, ACOR, EPZM, TS, WLK, WYNN.

Pre Open Reasonability Edit

August 02, 2018 08:52:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AXGN, CTSH, DNOW, DXCM, EDC, EDZ, ETP, EXAS, FND, FTNT, GIL, HUBS, ICPT, LPSN, MZOR, RRGB, STAA, TEVA, TRIP, TSLA, VECO, W, YANG, YINN.

Pre Open Reasonability Edit

August 01, 2018 09:10:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BGFV, COHR, GDS, NANO, SRG, XENT.

Pre Open Reasonability Edit

August 01, 2018 08:53:44

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AKAM, HIIQ, KEYW, NSIT, SRPT, ZEN.

Pre Open Reasonability Edit

August 01, 2018 08:41:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAPL, BIDU, CAKE, CHAU, CRTO, DBD, FUN, HBI, MOH, MTOR, P, PAYC, QGEN, SODA, SSYS, SYNA, TCS, YANG, YINN.

Pre Open Reasonability Edit

August 01, 2018 08:23:20

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

Pre Open Reasonability Edit

July 31, 2018 09:21:42

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

Pre Open Reasonability Edit

July 31, 2018 09:20:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CMG, MX, RL, SNE.

Pre Open Reasonability Edit

July 31, 2018 09:14:27

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

Pre Open Reasonability Edit

July 31, 2018 09:12:07

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

Pre Open Reasonability Edit

July 31, 2018 09:02:09

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACHC, ADM, AKS, IGT, IPGP, SPWR.

Pre Open Reasonability Edit

July 31, 2018 08:55:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CGNX, CSLT, ILMN, INST, KLAC, LL, NTRI, QCOM, SHOP, TXRH.

Pre Open Reasonability Edit

July 30, 2018 09:04:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACHC,CAT,NVRO,USFD

Pre Open Reasonability Edit

July 30, 2018 08:42:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CRCM,FDC,OILD,OILU,PGTI,SOHU,TSN.

Pre Open Reasonability Edit

July 27, 2018 09:10:59

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

Pre Open Reasonability Edit

July 27, 2018 08:40:18

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

Pre Open Reasonability Edit

July 27, 2018 08:39:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMID,AMPE,AMZN,BJRI,CHK,CMG,EGHT,EW,EXPE,FSLR,INTC,JNPR,KN,LOGM,LRCX,MDXG,MGLN,NATI,NCR,SAM,TEAM,TWTR,VIRT,YUMC.

Pre Open Reasonability Edit

July 26, 2018 09:11:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABMD,ALGT,ALKS,CTXS,EFX,TQQQ,TREE

Pre Open Reasonability Edit

July 26, 2018 08:41:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALXN,ARNC,BEAT,BIIB,BTI,BUD,KNX,MAT

MHK,NLSN,PYPL,QCOM,SPB,SVU,TAL,TECL,TPX,TSEM,UA,UNFI,VCYT

XLNX,YANG,YINN.

Pre Open Reasonability Edit

July 26, 2018 08:30:27

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

Pre Open Reasonability Edit

July 25, 2018 09:15:55

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

Pre Open Reasonability Edit

July 25, 2018 09:11:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GRUB,IR,RETA,ROK

Pre Open Reasonability Edit

July 25, 2018 09:06:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BA,HA,LAD,SC,STM,WIX,YEXT.

Pre Open Reasonability Edit

July 25, 2018 08:47:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATTU,FCAU,GM,IRBT,LPL,NVRO,NXPI,OC,TER,TUP,USNA,VICR,VRAY.

Pre Open Reasonability Edit

July 25, 2018 08:39:45

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

Pre Open Reasonability Edit

July 24, 2018 09:17:55

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

Pre Open Reasonability Edit

July 24, 2018 09:15:31

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

Pre Open Reasonability Edit

July 24, 2018 08:52:30

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ATI,AUDC,BBL,BIIB,EDC,EDZ,FXP,GOOG,GOOGL,HLX,HOG,IPG,LLY,MMSI,MOS,MT,NEO,PGTI,RIO,SNV,TUR,WHR,XPP.

Pre Open Reasonability Edit

July 23, 2018 09:04:40

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

Pre Open Reasonability Edit

July 23, 2018 08:50:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: HAS,HCLP,ITW,LPNT,OILD,OILU,PETS,PZZA,RACE,RYAAY,SYNT,TSLA.

Pre Open Reasonability Edit

July 20, 2018 09:21:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AZUL, CHT, FTD, NHTC.

Pre Open Reasonability Edit

July 20, 2018 09:11:19

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

Pre Open Reasonability Edit

July 20, 2018 08:50:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, BZQ, CE, GNTX, ISRG, LITE, MAN, PTCT, SKX, STT, SWK, ZYNE.

Pre Open Reasonability Edit

July 19, 2018 09:11:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMJ,GTLS,JNUG,OII,ONDK,SEP,ZSL

Pre Open Reasonability Edit

July 19, 2018 08:53:30

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, DHR, DM, DPZ, DUST, DWCH, EBAY, EDC, EDZ, JDST, NUGT, NXPI, PM, RPM, RUN, RUSL, TCP, TRV, TTS, UNP, YANG, YINN.

Pre Open Reasonability Edit

July 18, 2018 09:20:04

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

Pre Open Reasonability Edit

July 18, 2018 09:17:50

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

Pre Open Reasonability Edit

July 18, 2018 09:05:15

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CCJ, CSX, CTIC, ERIC, FPI, GWW, IMMU, MTG, SAH, TXT, UAL, UNIT, UUUU, WIN.

Pre Open Reasonability Edit

July 18, 2018 08:14:23

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

Pre Open Reasonability Edit

July 17, 2018 09:12:07

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

Pre Open Reasonability Edit

July 17, 2018 09:05:13

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

Pre Open Reasonability Edit

July 17, 2018 08:45:17

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AVEO, IGT, NFLX, NSU, OMC, RDFN, RUSL.

Pre Open Reasonability Edit

July 16, 2018 08:56:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ARNC, CLLS, NVRO, OILD, OILU, RDY, UCO, XON.

Pre Open Reasonability Edit

July 13, 2018 08:48:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CLLS,GOGO,INFY,INGR,JNJ,WWE.

Pre Open Reasonability Edit

July 12, 2018 09:12:48

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

Pre Open Reasonability Edit

July 12, 2018 09:08:12

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

Pre Open Reasonability Edit

July 12, 2018 08:50:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACRX, AVGO, CA, CBSH, FPI, GWPH, NTRA, PZZA, YANG, YINN, ZGNX, ZN.

Pre Open Reasonability Edit

July 11, 2018 08:52:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AIR, BRZU, EDC, EDZ, FAST, FUN, MSM, NSA, NTRA, RIO, RUSL, RUSS, SRE, TKC, TS, UVXY, VIXY, VOXX, YANG, YEXT, YINN.

Pre Open Reasonability Edit

July 11, 2018 07:54:28

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

Pre Open Reasonability Edit

July 10, 2018 09:07:17

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

Pre Open Reasonability Edit

July 10, 2018 08:48:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BBOX,LOXO,PEP,TKC,TSLA,XLRN.

Pre Open Reasonability Edit

July 09, 2018 09:18:01

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

Pre Open Reasonability Edit

July 09, 2018 08:57:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AXON, BBOX, BGNE, CHAU, COHR, CTIC, EDC, EDZ, GRPN, HELE, LN, NTLA, PETS, YANG, YINN.

Pre Open Reasonability Edit

July 06, 2018 08:31:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BIIB,FBR,GCI,HDP,LADR,PSMT,TECS,VC

Pre Open Reasonability Edit

July 05, 2018 09:06:22

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

Pre Open Reasonability Edit

July 03, 2018 09:09:48

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

Pre Open Reasonability Edit

July 03, 2018 08:59:10

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

Pre Open Reasonability Edit

July 03, 2018 08:56:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACXM,AYI,AAZ,GEVO,HNP,JNP,MLHR,NTES,ORMP,YANG.

Pre Open Reasonability Edit

July 02, 2018 09:10:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADMP,ALKS,ALV,CHAD,CHAU,DDR,DVMT,EDC,FBIO,MDXG,PERY, TRXC,TSLA,VMW,WYNN,YANG,YINN

Pre Open Reasonability Edit

June 29, 2018 09:12:38

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACAD, DERM, EDC, EDZ, FXP, GEVO, KBH, NKE, NVS, SNX, STZ, VRTX, WFC, XLRN, YANG, and YINN.

Pre Open Reasonability Edit

June 28, 2018 09:05:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AKBA, APOG, AVAV, BBBY, CAH, CAVM, CMG, CVS, CYD, MRVL, MSG, PIR, PRGS, RPM, WATT, WBA, Z, ZG.

Pre Open Reasonability Edit

June 27, 2018 08:47:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AQXP, AVAV, CAG, CARA, FOLD, I, MDCO, SONC, WWE, YANG, ZNH.

Pre Open Reasonability Edit

June 27, 2018 08:44:05

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

Pre Open Reasonability Edit

June 26, 2018 09:11:09

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

Pre Open Reasonability Edit

June 26, 2018 08:54:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AKAO, CBIO, EXEL, FDS, GEVO, GWPH, HRTX, INFO, JKS, LEE, LEN, SPPI, TAL.

Pre Open Reasonability Edit

June 25, 2018 09:15:38

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

Pre Open Reasonability Edit

June 25, 2018 08:49:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASML, CPB, GTN, MACK, SPHS, TSRO, XRM, YANG, YINN, ZNH.

Pre Open Reasonability Edit

June 22, 2018 08:39:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: GLUU, KMX, and UVXY.

Pre Open Reasonability Edit

June 22, 2018 08:31:33

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CONE, FCSC, GEVO, GRBK, GUSH, HAIN, LN, MLHR, RENN, RHT, SATS, and WPX.

Pre Open Reasonability Edit

June 21, 2018 09:25:22

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

Pre Open Reasonability Edit

June 21, 2018 09:21:04

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

Pre Open Reasonability Edit

June 21, 2018 08:46:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACGL, AOBC, ARGT, BFR, DRI, GGAL, GKOS, HRTX, KR, MEI, MU, OILD, OILU, OSTK, PAM, PCRX, PDCO, TEO, WEB, YANG, YINN, YPF.

Pre Open Reasonability Edit

June 20, 2018 09:25:34

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

Pre Open Reasonability Edit

June 20, 2018 08:50:02

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANIK, FOX, FOXA, I, LITE, ORCL, SYNA, THO, TSRO, WGO.

Pre Open Reasonability Edit

June 20, 2018 08:11:49

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

Pre Open Reasonability Edit

June 19, 2018 09:01:35

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

Pre Open Reasonability Edit

June 19, 2018 08:53:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA, BITA, BZQ, EDC, EDZ, ERX, EZU, FMI, GEVO, GUSH, NEPT, NTES, PKX, RUSL, STM, UVXY, VXX, WB, YANG, YINN.

Pre Open Reasonability Edit

June 18, 2018 09:15:51

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

Pre Open Reasonability Edit : Correction

June 18, 2018 09:01:39

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CBIO not listed on Cboe.

Pre Open Reasonability Edit

June 18, 2018 08:52:45

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CBIO,EDC,FLT,HIBB,IONS,JD,PTCT,RCII,RDFN,VRX,YANG

Pre Open Reasonability Edit

June 15, 2018 09:16:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADBE, ATI, BAK, GBT, GOOS, RDY, RENN, SPLK.

Pre Open Reasonability Edit

June 14, 2018 09:20:01

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

Pre Open Reasonability Edit

June 14, 2018 08:50:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BITA, ETSY, MIK, MPAA, TEX, TLGT,TLRD.

Pre Open Reasonability Edit

June 13, 2018 09:05:38

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

Pre Open Reasonability Edit

June 13, 2018 08:54:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BITA, BSX, CMCSA, ENPH, ESRX, EW, FOX, FOXA, HRB, KFY, OXM, SYK, TWX, USAC.

Pre Open Reasonability Edit

June 13, 2018 08:06:25

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

Pre Open Reasonability Edit

June 12, 2018 09:13:13

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

Pre Open Reasonability Edit

June 12, 2018 08:55:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: KMG, LE, LN, PLAY, RDY, RH, SAGE, SEAS, TSLA, URBN, WTW.

Pre Open Reasonability Edit

June 11, 2018 09:04:10

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

Pre Open Reasonability Edit

June 11, 2018 08:50:00

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAOI, ADNT, GNW, PCG, PTC, SRE, WEB.

Pre Open Reasonability Edit

June 08, 2018 09:04:03

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

Pre Open Reasonability Edit

June 08, 2018 08:49:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BZQ, CXO, HOME, MIDD, MNST, ZUMZ.

Pre Open Reasonability Edit

June 07, 2018 09:17:05

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

Pre Open Reasonability Edit

June 07, 2018 08:56:24

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMSC, ATHX, ATUS, AVHI, AXON, BRZU, BZQ, CLDR, CONN, CYOU, FIVE, I, IMMU, MDXG, MTN, OKTA, OPHT, REVG, SJM, TECK, TRI, UNFI.

Pre Open Reasonability Edit

June 06, 2018 08:56:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMBA, BRZU, BZQ, DVN, EDC, EXAS, INDL, MTW, NCS, OLLI, SAGE, SIG, TSLA, YY.

Pre Open Reasonability Edit

June 06, 2018 08:04:28

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

Pre Open Reasonability Edit

June 05, 2018 09:04:37

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

Pre Open Reasonability Edit

June 05, 2018 09:01:04

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ASML, CCL, FSLR, GIII, MYL, NAV, OKTA.

Pre Open Reasonability Edit

June 04, 2018 09:13:43

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

Pre Open Reasonability Edit

June 04, 2018 08:55:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only : BPMC,DQ,FIVE,GHDX,IMMU,LNC,LOXO,NKTR,OCIP,PANW 



Pre Open Reasonability Edit

June 01, 2018 09:04:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ANF, AVAV, BIG, CAL, DXC, GOOS, LULU, MLCO, ULTA, WDAY.

Pre Open Reasonability Edit

May 31, 2018 09:04:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAOI, ALV, BOX, BURL, CIEN, CLSD, CRSP, DG, DLTR, EXPR, FRO, GLNG, GM, GMLP, JILL, LIVN, NGG, NGL, NTLA, NVMI, TECD, TLYS,  VKTX, X.

Pre Open Reasonability Edit

May 30, 2018 09:03:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ABBV,CHS,CMCO,CRM,DKS,DSW,KORS,MOV

Pre Open Reasonability Edit

May 29, 2018 09:16:29

 

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

Pre Open Reasonability Edit

May 29, 2018 09:01:39

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

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMWD,BRZU,COHR,DZK,EDC,EDU,EWI,EWZ,MELI,MOMO,OLED,SAP,TRXC,VIXY,VXX,ZTO

Pre Open Reasonability Edit

May 25, 2018 09:08:31


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

Pre Open Reasonability Edit

May 25, 2018 09:02:23


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADSK, CNQ, DECK, EGHT, ERX, ERY, FL, GPS, GUSH, HIBB, OILD, OILU, ROST, UCO, YRD, ZOES.

Pre Open Reasonability Edit

May 24, 2018 09:05:49


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  BBY, BRZU, LB, LXFT, NTAP, PBR, SAFM, SNP, SQM, TTM, TUR, UVV, WHR, WSM.

Pre Open Reasonability Edit

May 23, 2018 09:14:42


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

Pre Open Reasonability Edit

May 23, 2018 09:02:49


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  CARA, CEO, EDZ,  LOW, RRGB, SNP, TCS, TGT, TIF, TUR, YANG, YINN.

Pre Open Reasonability Edit

May 23, 2018 08:45:22


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

Pre Open Reasonability Edit

May 22, 2018 09:06:13


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AAP, AZO, BNFT, BRZU, CRMT, DY, KSS, MU,  PSTG, SHOP, TOL, UVV.

Pre Open Reasonability Edit

May 21, 2018 09:10:09


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

Pre Open Reasonability Edit

May 21, 2018 09:06:29


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, DDS, ETH, FITB, LHO, MBFI, MU, QURE, RDY, SHLD.

Pre Open Reasonability Edit

May 18, 2018 09:01:26

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMAT, BIDU, CERN, CPB, INSY, LRCX, MYE, PTR, RAVN, RUT, SQ

Pre Open Reasonability Edit

May 18, 2018 09:01:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMAT, BIDU, CERN, CPB, INSY, LRCX, MYE, PTR, RAVN, RUT, SQ

Pre Open Reasonability Edit

May 18, 2018 09:00:56

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AMAT, BIDU, CERN, CPB, INSY, LRCX, MYE, PTR, RAVN, RUT, SQ

Pre Open Reasonability Edit

May 17, 2018 09:22:04


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

Pre Open Reasonability Edit

May 17, 2018 09:15:31


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACXM, AYR, BPMC, BZUN, CSCO, IMMU, INCE, INDL, JNCE, LLL, LOXO, NERV, NKTR, NTES, PLCE, RARE, WWE.

Pre Open Reasonability Edit

May 16, 2018 08:59:00


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ABAX, BGS,  BOOT, DDS, IDXX, INDL  M, RETL, SE.

Pre Open Reasonability Edit

May 16, 2018 08:07:31


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

Pre Open Reasonability Edit

May 15, 2018 09:22:20


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

Pre Open Reasonability Edit

May 15, 2018 09:15:20


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

Pre Open Reasonability Edit

May 15, 2018 09:03:32


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

Pre Open Reasonability Edit

May 15, 2018 08:39:38


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: A, AERI, BRZU, EDC, NTLA, PBCT, SORL, VIPS.

Pre Open Reasonability Edit

May 14, 2018 09:11:06


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

Pre Open Reasonability Edit

May 14, 2018 08:55:57


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

Pre Open Reasonability Edit

May 14, 2018 08:30:25


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

Pre Open Reasonability Edit

May 14, 2018 08:22:06


Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ACIA, EWM, LITE, NHTC, NXPI, PRGO, REGI, XRX.

Pre Open Reasonability Edit

May 11, 2018 09:17:10

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: HUBS, NVDA.

Pre Open Reasonability Edit

May 11, 2018 08:51:03

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ARCB, HALO, IMMR, OMER, RDFN, SYMC, TTD, XON, YELP.

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

Pre Open Reasonability Edit

May 10, 2018 09:21:28

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: IAC, INFN, ROKU, PI, SNCR, SYNA, TROX, UBNT.

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

Pre Open Reasonability Edit

May 10, 2018 08:45:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AMCX, CVNA, EVHC, EXEL, GDOT, GOLD, LOGI, MDR, MELI, NUAN, OTEX, RDC, RUSL, SEDG, SEP, SNR, TGI.

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

Pre Open Reasonability Edit

May 09, 2018 09:15:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: DOV, EXTR, GDOT, KRO, WWW.

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

Pre Open Reasonability Edit

May 09, 2018 08:50:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AAOI, AAXN, CSTE, GUSH, MB, MNST, MTCH, MXL, OILD, TRIP, TWLO, VIRT, WMT, ZAGG.

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

Pre Open Reasonability Edit

May 09, 2018 08:35:30


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

Pre Open Reasonability Edit

May 08, 2018 09:17:48

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: DCP.

 

Pre Open Reasonability Edit

May 08, 2018 09:14:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CAPL, CNQ, CROX, CRZO, FRGI, GBT, HAIN, HCC, HTZ, IONS, MNK, NOW, PI, SEAS, TREX, VDSI, VECO, VRX, VSH, WTW, Z, ZBRA, ZG.JOBS

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: FN, JOBS, NVRO, ORA, SD, YANG, YINN.

Pre Open Reasonability Edit

May 07, 2018 09:16:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: A, CHU,  CTSH, IFF, KWEB, MSCC, QURE, TSEM, TSN, XRAY.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CARB, GPT, HEWG, HEZU, MC, QTS.

Pre Open Reasonability Edit

May 04, 2018 09:15:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: BNFT, CRC, LPLA, RACE, WTW.

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

Pre Open Reasonability Edit

May 04, 2018 08:40:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AMN, ANET, BPL, CATM, FLR, MED, P, PTLA, SHAK, SMCI, TWI.

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

Pre Open Reasonability Edit

May 03, 2018 09:29:08

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: NXPI.


Pre Open Reasonability Edit

May 03, 2018 09:26:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AIG, ANIK, APO, CAH, CRUS, DATA, EPC, EXEL, FMC, FND, HOLX, INGR, KKR, LOGI, LPI, MSCI, OMF, QURE, SNN, SQ, TPX, TSLA, VMC.

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

Pre Open Reasonability Edit

May 02, 2018 09:16:53

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AAPL, ADP, BG, BLUE, CLVS, CRTO, DBD, ESPR, GILD, GNRC, GRMN, JNPR, LITE, MA, OCLR, PAYC, QURE, SFLY, SNAP, SSYS, TAP, TCP, UNM, W, YUM, ZEN.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: MBUU, NANO, SKT, YUMC.

Pre Open Reasonability Edit

May 02, 2018 08:28:48


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

Pre Open Reasonability Edit

May 01, 2018 09:14:06

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ABBV, AROC, AVXS, AXGN, CGNX, CMI, I, IDTI, IPGP, KLXI, KPTI, MTZ, NTRI, SMG, STX, THC, TPR.

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

Pre Open Reasonability Edit

April 30, 2018 09:12:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ANDV, ARNC.

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

Pre Open Reasonability Edit

April 30, 2018 09:00:43

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CTB, IDCC, ILG, MCD, MPC, PKX, VDSI.

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

Pre Open Reasonability Edit

April 27, 2018 09:25:34

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: MHK.


Pre Open Reasonability Edit

April 27, 2018 09:06:41

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CHTR, ELLI, IMPV, LOGM.


Pre Open Reasonability Edit

April 27, 2018 08:48:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AMZN, ATHN, BIDU, CYOU, EXAS, EXPE, FLEX, INTC, MSFT, SIVB, SNE, X, XRX.

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

Pre Open Reasonability Edit

April 26, 2018 09:14:58

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: MGM.

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

Pre Open Reasonability Edit

April 26, 2018 08:59:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AAP, AAXN, ADSK, ALGN, ALXN, AMD, AZO, BEAT, BGG, CMG, CRI, CRK, DPZ, EBAY, FB, HRG, LKQ, LUV, MD, ORLY, PENN, PYPL, QCP, RDFN, SPB, SXCP, XLNX.

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

Pre Open Reasonability Edit

April 25, 2018 09:27:34

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: OC.

Pre Open Reasonability Edit

April 25, 2018 09:11:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CHKP, MRTX.

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

Pre Open Reasonability Edit

April 25, 2018 08:50:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: BA, BABY, CLX, CREE, EW, GLPI, PX, SOHU, STZ, TER, TRVG, TZOO.

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

Pre Open Reasonability Edit

April 25, 2018 07:58:38


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

Pre Open Reasonability Edit

April 24, 2018 08:59:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CDNS, EDU, EPZM, HOG, MMM, SANM, SHW, WAT, WWD.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: CVNA, MITL, YANG, YINN.

Pre Open Reasonability Edit

April 23, 2018 09:04:46

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: GSUM, PRTA.


Pre Open Reasonability Edit

April 23, 2018 08:39:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AKRX, CBI, CNP, FTK, HAS, MDR, PHG.

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

Pre Open Reasonability Edit

April 20, 2018 08:29:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ERIC, IONS, JD, LLNW, LNG, OZRK, PF, SKX, TRU.

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

Pre Open Reasonability Edit

April 19, 2018 09:20:48

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: SNBR.

Pre Open Reasonability Edit

April 19, 2018 09:11:46

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: SNA.

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

Pre Open Reasonability Edit

April 19, 2018 08:39:59

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ACET, AQMS, CCK, GWW, INCY, PIR, PRTK, SHPG, TSM.

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

Pre Open Reasonability Edit

April 18, 2018 08:38:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CSX, EBAY, IBM, ISRG, LRCX, RUSL, TXT.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADNT, BMI, DEA, RUSS, TLGT.

Pre Open Reasonability Edit

April 18, 2018 08:12:44


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

Pre Open Reasonability Edit

April 17, 2018 09:07:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: GWPH, ROKU.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: Correction- WINT does not trade on the Cboe.

RE: Pre Open Reasonability Edit

April 17, 2018 09:05:04

Please add GWPH and ROKU, both C1 and C2 (WINT is not on C1 or C2).

[cid:image001.png@01D3D622.C49C5C10]

John Haffner | Manager, Cboe Floor Official, OSC
Cboe Global Markets
400 South LaSalle Street | Chicago, IL 60605
T. 312-786-7086
M. 312.617.8051
F. 312-786-7050
haffner@cboe.com | cboe.com >

From: Help Desk Notices [mailto:helpdesknotices@cboe.com]
Sent: Tuesday, April 17, 2018 7:29 AM
To: oreason@dlist-us.bats.com
Subject: Pre Open Reasonability Edit

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CE, NFLX, ON.

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

Confidentiality Notice: This email, including attachments, may include non-public, proprietary, confidential or legally privileged information. If you are not an intended recipient or an authorized agent of an intended recipient, you are hereby notified that any dissemination, distribution or copying of the information contained in or transmitted with this email is unauthorized and strictly prohibited. If you have received this email in error, please notify the sender by replying to this message and permanently delete this email, its attachments, and any copies of it immediately. You should not retain, copy or use this email or any attachment for any purpose, or disclose all or any part of the contents to any other person.

Pre Open Reasonability Edit

April 17, 2018 08:28:52

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CE, NFLX, ON.

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

Pre Open Reasonability Edit

April 16, 2018 09:14:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ALGT, BPMC, NOV.

Pre Open Reasonability Edit

April 16, 2018 08:36:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ALKS, DVAX, ORBC, RH.

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

Pre Open Reasonability Edit

April 13, 2018 09:18:25

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: BPT.

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

Pre Open Reasonability Edit

April 13, 2018 08:41:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AVGO, NFLX, SAM, Z, ZG.


Pre Open Reasonability Edit

April 12, 2018 08:47:09


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

Pre Open Reasonability Edit

April 12, 2018 08:42:31

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: APOG, BBBY, BLCM, CRC, HCC, OSTK, YNDX.

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

Pre Open Reasonability Edit

April 11, 2018 08:33:19

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: RUSL, VHC.

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

Pre Open Reasonability Edit

April 11, 2018 08:00:07


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

Pre Open Reasonability Edit

April 10, 2018 09:15:20

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: IPHI, NBIX, SOXL.

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

Pre Open Reasonability Edit

April 10, 2018 08:48:50

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CME, CWH, MMYT, OILD, OILU, PAY, PNC, SPPI, TEN, TER, VSH, WATT, ZNH.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ERY, GUSH, LABU, LKSD, TECL, TECS, YANG, YINN.

Pre Open Reasonability Edit

April 09, 2018 09:17:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: BOLD, ERUS, RDN, RGNX.

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

Pre Open Reasonability Edit

April 09, 2018 08:48:36

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ACAD, AET, AGIO, AVXS, HUM, NYT, PTLA, RSX, RUSL, and YNDX.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ESNT, LABD, RUSS, and UBIO.

Pre Open Reasonability Edit

April 06, 2018 09:17:18

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: LFIN, NKTR.

Pre Open Reasonability Edit

April 06, 2018 08:52:01


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

Pre Open Reasonability Edit

April 06, 2018 08:37:49

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CZR, GBX, GDDY, INCY, NLNK, NTAP, THO, UVXY,

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  COLL, NEWM, YANG, YING.

Pre Open Reasonability Edit

April 05, 2018 08:38:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ABMD, CONN, CYOU, FB, FNSR, FOLD, HRTX, OLLI, PLAY.

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

Pre Open Reasonability Edit

April 04, 2018 09:12:30


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

Pre Open Reasonability Edit

April 04, 2018 09:09:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ANSS, AXGN, BA,CARS, KMX, PLAY, PTCT, SAGE, TCAP, TROW, TSLA

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: BRZU, CLDR, CLLS, EDC, EDZ, GUSH, JETS, TECS, TQQQ, YANG, YINN.

Pre Open Reasonability Edit

April 04, 2018 08:16:25


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

Pre Open Reasonability Edit

April 03, 2018 09:22:19

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: LFIN

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

Pre Open Reasonability Edit

April 03, 2018 09:00:07


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

Pre Open Reasonability Edit

April 03, 2018 08:42:32

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: RCL, SFLY, VIAB.

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

Pre Open Reasonability Edit

April 02, 2018 09:14:10

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: CVLT.

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

Pre Open Reasonability Edit

April 02, 2018 08:34:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: ALKS, CNDT, CRK, HUM, SNX, UEPS, W.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only:  ITCI, SKT, SNX, SRI, XBIT.

Pre Open Reasonability Edit

March 29, 2018 08:37:34

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: EVHC, FE, GERN, MOV, OSTK, POST, PTCT,SAGE, TITN, VRNT.

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

Pre Open Reasonability Edit

March 28, 2018 08:34:58

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: AVB, BEN, DXCM, GERN, LULU, QIWI, RH, RSPP, SGG, SHPG, STON, UVXY.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: AEIS, BIB, INST, NVTA.

Pre Open Reasonability Edit

March 28, 2018 07:59:33


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

Pre Open Reasonability Edit

March 27, 2018 09:11:52

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: LFIN.

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

Pre Open Reasonability Edit

March 27, 2018 08:25:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: CG, GERN, IDT, OSTK, RHT.

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

Pre Open Reasonability Edit

March 26, 2018 09:26:29

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options: BHVN.

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

Pre Open Reasonability Edit

March 26, 2018 08:54:40

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options: APU, BGG, CBS, FINL, GERN, HSIC, IMGN, ISRG, KWEB, LAZ. NTRI, SWIR, USG, UVXY, VIIX, VIXY, VXX, WATT, WBAI.

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ADC, BRZU, CHAU, EDC, EDZ, GUSH, INVH, LABU, SDOW, SPXL, SPXS, SQQQ, TECL, TECS, TQQQ, UPRO, VCEL, YANG, YINN.

Pre Open Reasonability Edit

March 23, 2018 09:10:56

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options only: AMZN.

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

Pre Open Reasonability Edit

March 23, 2018 08:50:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AKBA, BOFI, CFG, GSK, HOME, KBH, LFC, NKE, NOG, PACB, PAYC, PGNX, SOHU, WYNN.

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

Pre Open Reasonability Edit

March 22, 2018 08:30:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: GERN, GES, MGPI, MIK, OMER, SNCR.

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

Pre Open Reasonability Edit

March 21, 2018 08:33:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AIR, EGN, EROS, GEO, GIS, PRTA, VUZI.

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

Pre Open Reasonability Edit

March 21, 2018 08:12:44


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

Pre Open Reasonability Edit

March 20, 2018 08:27:13

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ARNA, FISV, LNG, NTLA, OILD, OILU, OCRL, PLCE.

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

Pre Open Reasonability Edit

March 19, 2018 09:23:27

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: MFGP


Pre Open Reasonability Edit

March 19, 2018 08:33:47

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ANET, AFL, CMCM, FNF, GERN, HRTX, IOVA, OLED

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

Pre Open Reasonability Edit

March 16, 2018 08:42:29

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AMBA, BKE, FEYE, JBL, KODK, OSTK, PERY, TIF.

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

Pre Open Reasonability Edit

March 15, 2018 09:18:06


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

Pre Open Reasonability Edit

March 15, 2018 08:27:14

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ALXN, BNFT, CTRP, DDD, DG, FRSH, SHLD, SMTC, SNPS, SVU, WSM

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

Pre Open Reasonability Edit

March 14, 2018 08:32:20

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

Pre Open Reasonability Edit

March 14, 2018 08:28:15

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: BHGE, BLUE, CENX, CLDX, CWH, HTHT, SIG.

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

Pre Open Reasonability Edit

March 14, 2018 08:26:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: BHGE, BLUE, CENX, CLDX, CWH, HTHT, SIG, PUK

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

Pre Open Reasonability Edit

March 13, 2018 09:18:22

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only:   Adding BL, BLCM.

 

Pre Open Reasonability Edit

March 13, 2018 08:59:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ADXS, ALT, ATHX, COMM, CTRL, DKS, FANH, JCI, MTW, MYGN, NTGR, QCOM.

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

Pre Open Reasonability Edit

March 13, 2018 08:58:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ADXS, ALT, ATHX, COMM, CTRL, DKS, FANH, JCI, MTW, MYGN, NTGR, SPA, TLYS

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

Pre Open Reasonability Edit

March 12, 2018 09:14:05

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only:   Adding ADMS, ANTH.


Pre Open Reasonability Edit

March 12, 2018 08:23:42

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AYR, BGG, ESPR, HALO, MDCO,NAV, OCLR


Pre Open Reasonability Edit

March 09, 2018 08:16:01

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: TXMD, BIG, FNSR, CCXI, UNFI, INSY

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

Pre Open Reasonability Edit

March 08, 2018 08:22:54

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only:BURL, ESRX, IGT, MEET, MYGN, NTLA, ORBK, TECD, ZAGG

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

Pre Open Reasonability Edit

March 07, 2018 09:10:16

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AVAV


Pre Open Reasonability Edit

March 07, 2018 08:48:01


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

Pre Open Reasonability Edit

March 07, 2018 08:20:48

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ADSK, ANF, BZUN, CEQP, DLTR, ESPR, MED, MOMO, WTW

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

Pre Open Reasonability Edit

March 06, 2018 08:52:12

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: BZUN, FRPT, INFN, KLXI, TGTX

Pre-opening price reasonability checks have been turned off for the following classes on Cboe Options only: ALOG, AMRC, EDC, GLYC

Pre Open Reasonability Edit

March 05, 2018 09:17:10


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

Pre Open Reasonability Edit

March 05, 2018 09:16:03

Pre-opening price reasonability checks have been turned off for the following class on Cboe and C2 Options only: DERM.

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

Pre Open Reasonability Edit

March 05, 2018 08:31:37

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: IPI, IVZ, KODK, XL.

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

Pre Open Reasonability Edit

March 02, 2018 08:22:11

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AOBC, FL, GPS, JCP, JD, JWN, MSCC, OMER, OPK, PII, PSTG, SPLK, UVXY, WSR.

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

Pre Open Reasonability Edit

March 01, 2018 09:23:07

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only:  Additional- BC, HIQQ, NWL.

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

Pre Open Reasonability Edit

March 01, 2018 08:38:57

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: ADP, AKS, AMC, BOX, CHTR, CLNS, DDD, LB, LOPE, MNST, OSTK, PDCO, PTLA, TSRO.

 

Pre Open Reasonability Edit

February 28, 2018 08:25:21

Pre-opening price reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AAXN, ACAD, CELG, CONE, ELF, ENPH, EOG, ETSY, FTR, LOW, PHH, PZZA, SSYS, TIVO, TSRO, VRX, WTW.



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

Pre Open Reasonability Edit

February 27, 2018 08:24:51

Pre-opening price
reasonability checks have been turned off for the following classes on Cboe and C2 Options only: AKRX, CRZO, DDS, FIT, M, NTRI, PANW, SNH, THC.




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

Pre Open Reasonability Edit

February 27, 2018 08:17:35





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

Pre Open Reasonability Edit

February 26, 2018 08:20:02

Pre opening price reasonability check turned off for the following classes on C1 and C2 : TAL, ACHN, X, UVXY, AKS, RUSL, DF, SN.   On C1: RUSS, CNIT.

Pre Open Reasonability Edit

February 23, 2018 13:00:12

Pre opening price reasonability check turned off for the following classes on C1 and C2 :

IMMR   C1/C2
Off       

BUFF     C1/C2
Off       

HPE        C1/C2 Off       

OLED     C1/C2
Off       

WING   C1/C2
Off       

EXAS      C1/C2 Off       

HUN      C1/C2 Off       

HPQ       C1/C2 Off       

MOMO C1/C2 Off 

RDFN     C1/C2
Off       

UVXY    C1/C2
Off   

IOVA     C1/C2
Off                      

ACIA      C1
Off       

TTD        C1
Off       

WK         C1
Off      


BEAT, BJRI, FNGN, GDDY,
PLNT..all C1 and C2, Off