Reasonability Notices

Removal of Pre-Open Fat Finger Checks
October 21, 2020 08:39:37

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AN, CALX, CWST, ENR, EVR, GPOR, NFLX, NTLA, PRTA, SNAP, TWTR, VOC

Removal of Pre-Open Fat Finger Checks
October 20, 2020 08:36:44

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACOR, CARA, CCK, HXL, LOGI, LORL, OCN, RAIL, RGLD, SGMS, SYF

Removal of Pre-Open Fat Finger Checks
October 19, 2020 08:25:54

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, CAI, IHF, OSUR, RESI, SKYW, TRMB, TSE

Removal of Pre-Open Fat Finger Checks
October 16, 2020 08:39:47

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BA, CIT, FLEX, HTZ, JBHT, NAV, SMLP, UFS, YANG, ZGNX

Removal of Pre-Open Fat Finger Checks
October 15, 2020 08:32:30

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMCX, ARWR, AVXL, CARS, CLLS, DDS, HHC, INDL, PEI, UCO, VRTX

Removal of Pre-Open Fat Finger Checks
October 14, 2020 08:31:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BBBY, CXO, ENZ, GPOR, GRUB, MDRX, VOXX

Removal of Pre-Open Fat Finger Checks
October 13, 2020 08:32:15

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: EBS, ETH, FL, ICON, NVMI, RCL, TREE, TRXC

Removal of Pre-Open Fat Finger Checks
October 12, 2020 08:39:38

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALKS, AXAS, BOIL, DDS, FBIO, KOLD, ROBO, SLG, SND, SQQQ, TECL, TQQQ,
TREE, TREX, TSE, TWLO, YANG

Removal of Pre-Open Fat Finger Checks
October 09, 2020 08:32:45

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AXAS, BOIL, EBIX, EXTR, GPOR, HCA, JE, KOLD, LSCC, MVIS, NXPI, RE,
SCHH, THC, XLNX

Removal of Pre-Open Fat Finger Checks
October 08, 2020 08:37:32

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BOIL, CPSS, EV, FCEL, GSM, IBM, JAZZ, KOLD, NTLA, ON, WTFC

Removal of Pre-Open Fat Finger Checks
October 07, 2020 08:31:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: FNV, KIN, PLCE, SIL, TRCX, YPF

Removal of Pre-Open Fat Finger Checks
October 06, 2020 08:33:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BPT, CATM, CRBP, DUG, GLYC, GPI, HIMX, LOGI, MACK, NEOS, RYAAY, TSE

Removal of Pre-Open Fat Finger Checks
October 05, 2020 08:38:10

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ATUS, BOIL, CINF, CYTK, EUFN, HIG, HTHT, IMGN, JELD, JOE, KOLD, KOS,
LSCC, NBR, NNN, OAS, PTCT, QDEL, REGN, UCO, VXZ

Removal of Pre-Open Fat Finger Checks
October 02, 2020 08:40:51

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGO, BJRI, CRUS, DUG, FFIV, FLS, GDOT, IDT, INCY, KAR, NBR, NCR,
NUS, OAS, PLNT, SKYW, SQQQ, SRE, TECL, TOUR, TQQQ, TWLO, UCO, UVXY

Removal of Pre-Open Fat Finger Checks
October 01, 2020 08:32:55

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AMAG, ATH, BBBY, CPE, GNW, NAK, OAS, STM, TRTN

Removal of Pre-Open Fat Finger Checks
September 30, 2020 08:27:29

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACHC, BRKS, CTIC, DUK, FCEL, ICON, MEI, MX, OAS, SNX, TOUR, WATT

Removal of Pre-Open Fat Finger Checks
September 29, 2020 08:32:51

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BIG, INOV, JE, NCR, PFMT, SOHU, VCYT, VOC

Removal of Pre-Open Fat Finger Checks
September 28, 2020 08:33:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AVT, DEO, DVN, HMLP, HOLX, HSBC, INDL, INO, JE, KOLD, NEOS, SQQQ,
TECL, THO, TQQQ, VNET, WB, WPX, XEC

Removal of Pre-Open Fat Finger Checks
September 25, 2020 08:18:05

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALGT, FLR, JE, NVAX, SID, SWIR

Removal of Pre-Open Fat Finger Checks
September 24, 2020 08:42:18

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACN, ADXS, AGQ, ANTH, AXAS, CWST, GPOR, IDRA, INDL, INGN, JBL, JE,
KMX, MEI, NVCR, PENN, SMLP, SPHS, SSP

Removal of Pre-Open Fat Finger Checks
September 23, 2020 08:41:49

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, ALB, ATHX, KOLD, NKE, SQM, TRXC, VGK, XBIT, ZGNX

Removal of Pre-Open Fat Finger Checks
September 22, 2020 08:35:46

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CVNA, DTEA, GME, NEOS, RCII, RMTI, TA

Removal of Pre-Open Fat Finger Checks
September 21, 2020 08:27:56

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGIO, AJG, BJRI, CNC, DIN, DRIP, FAS, HTHT, HUM, JE, JNPR, JNUG,
KODK, LGIH, NOG, NVAX, PICO, PKG, PLCE, PRLB, RYAAY, THC, TNA, UVXY, UYG

Removal of Pre-Open Fat Finger Checks
September 18, 2020 08:35:19

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADMP, ANIP, ANTH, CYTK, NTLA, OAS, OCN, RDY, TRTN

Removal of Pre-Open Fat Finger Checks
September 17, 2020 08:36:47

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CMRX, FRTA, FSLR, INSM, IPHI, JE, MLHR, NAK, PLAY, PSA, RIGL, SQQQ,
SYK, TECL, TQQQ

Removal of Pre-Open Fat Finger Checks
September 16, 2020 08:39:18

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMCX, ANTH, ARE, ARWR, AXGN, CDEV, FDX, INO, ITCI, KODK, OAS, OCN, PCTY, PEIX, RDY, SLG, VCYT

Removal of Pre-Open Fat Finger Checks
September 15, 2020 08:38:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABUS, ANTH, CWH, FCAU, FRAN, IRDM, LORL, NTGR, NVAX, SMG, WPG

Removal of Pre-Open Fat Finger Checks
September 14, 2020 08:33:47

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMPE, APOG, ARNC, BOIL, EBIX, GBT, GME, IMMU, JILL, KOLD, LABD, LABU,
LAUR, MNK, NVDA, ORCL, OSTK, SGEN, SGMS, TA, TGTX, VSTO

Removal of Pre-Open Fat Finger Checks
September 11, 2020 08:39:15

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMRS, ATEN, CNDT, DQ, HOLX, IDRA, ITCI, KODK, NBR, NOG, RAIL, VJET,
ZG

Removal of Pre-Open Fat Finger Checks
September 10, 2020 08:28:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, CBL, CSIQ, FORM, GSM, GTY, JELD, KBR, MGPI, NBIX, OSTK, PENN,
RH, RMTI, TRQ, VRNT

Removal of Pre-Open Fat Finger Checks
September 09, 2020 08:45:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMBA, BNTX, ITCI, NVAX, OSTK, QRVO, ROM, SOXL, SOXS, TIF, TRIL, TSLA,
WORK

Removal of Pre-Open Fat Finger Checks
September 08, 2020 08:38:50

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAPL, AMAT, AMBA, ASML, BRZU, CHAU, CRBP, CVNA, DRIP, FORM, GM, IMMU,
INO, KLAC, LABD, LABU, LRCX, LSCC, NVAX, NVDA, NVTA, OLLI, OSTK, PTC, QLD, ROM,
SQ, SQQQ, TDOC, TECL, TECS, THO, TQQQ, TSLA, TTD, UCO, USD, UVXY, VIXY, VSLR, VXX,
W, WIX, WLL, YANG

Removal of Pre-Open Fat Finger Checks
September 04, 2020 08:34:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ATSG, MLHR, OSTK, PI, PNQI, UCTT

Removal of Pre-Open Fat Finger Checks
September 03, 2020 08:48:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGTC, AKBA, ASMB, BBL, CIEN, COLL, CPB, CRIS, EPAY, FGEN, FIVE, FOXA,
NEOS, NVAX, PPG, TSLA, TTMI, XONE

Removal of Pre-Open Fat Finger Checks
September 02, 2020 08:41:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMC, ANTH, BPOP, GES, HOME, MLCO, NVDA, TUR, VRA, ZEUS

Removal of Pre-Open Fat Finger Checks
September 01, 2020 08:33:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BBW, BIO, CALM, GNW, GOGO, HOME, IVAC, JILL, KODK, LSCC, NPTN, PARR,
REGI, WPRT, ZN

Removal of Pre-Open Fat Finger Checks
August 31, 2020 08:40:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGFS, GNW, GSM, INDL, LPCN, MGA, NAK, XEC, YANG

Removal of Pre-Open Fat Finger Checks
August 28, 2020 08:49:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CHAU, DRIP, HIBB, JE, LABD, NTNX, OLLI, PEIX, PI, REG, TRVN, UGA,
ULTA, VNET, WDAY

Removal of Pre-Open Fat Finger Checks
August 27, 2020 08:37:41

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABT, ANF, BDX, BMCH, BOX, CLVS, DGX, DLTR, HOLX, LH, NTAP, QDEL,
SMTC, SPWR, WSM, ZAGG

Removal of Pre-Open Fat Finger Checks
August 26, 2020 08:45:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACLS, ASMB, BKU, CRM, DKS, GERN, HIBB, INTU, LAD, PSTG, UGA, URBN

Removal of Pre-Open Fat Finger Checks
August 25, 2020 08:39:35

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGIO, AMCX, BDSI, GBT, NAK, NOAH, NVAX, PLCE, SANM, SJM

Removal of Pre-Open Fat Finger Checks
August 24, 2020 08:49:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AXAS, CERS, LKQ, LORL, LPL, NAK, NBR, PCRX, RIG, ROYT, SANM, SPHS, TRVN, UCTT, VSTO, XBIT, YANG

Removal of Pre-Open Fat Finger Checks
August 21, 2020 08:13:00

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AU, BKE, BZUN, CYTK, JNUG, NUGT, REMX, SPHS, TGTX

Removal of Pre-Open Fat Finger Checks
August 20, 2020 08:44:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BRZU, CLIR, EL, LYTS, SPHS, SUPN

Removal of Pre-Open Fat Finger Checks
August 19, 2020 08:42:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMPE, ATGE, BMRN, CAMP, CNO, CREE, IRTC, MNTA, SABR, TGT, TJX, VIPS

Removal of Pre-Open Fat Finger Checks
August 18, 2020 08:25:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, AGQ, AXAS, BIG, BRZU, CYTK, GBT, ICPT, NBR, SQQQ, VNDA

Removal of Pre-Open Fat Finger Checks
August 17, 2020 08:43:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, ARA, GOLD, ICPT, JD, LORL, MHLD, NBIX, NTGR, NUGT, OCN, OSTK,
RGS, SPHS, TRU, WPG, XBIT

Removal of Pre-Open Fat Finger Checks
August 14, 2020 08:39:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BIDU, DDS, GDDY, GNR, IPI, LAZ, MDCA, NVAX, OCN, PDFS, SFUN, VJET,
ZAGG

Removal of Pre-Open Fat Finger Checks
August 13, 2020 08:41:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AEG, AGQ, AMAG, CSCO, FOSL, HSTM, NBR, OCN, RGR, SD, VREX, WCC, YNDX,
YY, ZG, ZTO

Removal of Pre-Open Fat Finger Checks
August 12, 2020 08:44:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABUS, AL, ANIP, BEAT, BLDR, DIG, GRUB, JNUG, KEP, MTG, NOAH, OSTK,
PEIX, SAGE, SGMS, SMCI, TRVN, TSLA, UVXY, VNO

Removal of Pre-Open Fat Finger Checks
August 11, 2020 08:37:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, APEI, ARNC, BJRI, BOOT, BVN, CPA, CPRX, DAL, ELF, EXP, GOOS,
HDS, INO, JCOM, JNUG, MCF, NTLA, NUGT, OMF, PAAS, PLX, RCL, RICK, SB, SFE, SGMS,
SIL, SIX, SPHS, UAL, VAC, VSAT, WLL, WPG

Removal of Pre-Open Fat Finger Checks
August 10, 2020 08:38:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADTN, CPE, FL, GOGO, GPI, IR, IRWD, KODK, LAD, OMER, PTCT, SPG, TRVN

Removal of Pre-Open Fat Finger Checks
August 07, 2020 08:41:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAOI, AAXN, AEE, AGQ, AL, AMN, ARWR, BIIB, BOIL, CNDT, CTIC, EBIX,
EDIT, ESNT, FSLR, FTNT, GBX, GKOS, GPI, GRPN, GWPH, IEFA, ILMN, IRTC, KOLD, MACK,
MC, NKTR, OLED, OMF, OTEX, PDLI, SOHU, SP, SPHS, STMP, SYKE, TDC, TRUE, TRVN, YELP,
Z, ZG

Removal of Pre-Open Fat Finger Checks
August 06, 2020 08:35:28

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAWW, AGQ, APRN, AVXL, BDX, BFAM, CBL, CENX, COLL, CVNA, DCP, EDIT,
ELF, FRGI, GDDY, GMED, HUBS, HZNP, INFN, INSG, KBR, LEE, LNC, MVIS, NICE, NTLA,
OSUR, OTEX, PH, PII, PVG, REGI, RMD, ROYT, SIVR, SLV, STRA, TDOC, TVTY, TWOU, VOYA,
VSTO, WDC, WIX, XRAY

Removal of Pre-Open Fat Finger Checks
August 05, 2020 08:41:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACLS, ACOR, AGQ, AIZ, ANET, BOOT, CALX, CORT, DFIN, DIS, ENLC, ENR,
FLS, HZNP, JELD, LPSN, MCHP, MIDD, MNST, MVIS, NEP, NEWR, NVAX, NVTA, NXST, OAS,
PRGO, RIGL, SCCO, SERV, SNA, SQ, TDOC, UCO, VCYT, WD, WLL

Removal of Pre-Open Fat Finger Checks
August 04, 2020 08:39:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AVT, BMCH, BP, CAMP, CDEV, CRESY, GGAL, IPHI, IRTC, IT, JELD, LGIH,
MNK, PAM, RL, SEDG, SYKE, TDG, TREE, USFD, VNO, YANG, YRCW

Removal of Pre-Open Fat Finger Checks
August 03, 2020 08:55:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ANTH, AXGN, BCRX, BOIL, CALX, CLI, FLS, HSBC, KODK, KOLD, L, MPC, NK, PICK, RLJ, SCHF, SOHU, STON, VAR, ZGNX

Removal of Pre-Open Fat Finger Checks
August 03, 2020 08:55:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ANTH, AXGN, BCRX, BOIL, CALX, CLI, FLS, HSBC, KODK, KOLD, L, MPC, NK, PICK, RLJ, SCHF, SOHU, STON, VAR, ZGNX

Removal of Pre-Open Fat Finger Checks
July 30, 2020 08:23:43

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, APA, BBVA, CARS, CLB, CMPR, COHU, CROX, CTSH, ENT, FMS,
HOLX, HOME, INO, JAKK, KNDI, KODK, LKQ, LVS, LXRX, LXU, MGPI, MOBL, NUGT, OHI,
OSTK, PEIX, PI, QCOM, SANM, SCHH, SLG, SPPI, TAP, TPX, TSE, UCTT, UPS, UVXY, WPRT

Removal of Pre-Open Fat Finger Checks
July 29, 2020 08:39:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, ADC, ADP, AMD, ANTH, ASNA, BCO, BEN, BGFV, BXMT, BYD, CAR, CBL,
CCC, CHAU, CMC, CYH, DIN, ENT, EV, FEYE, GWPH, KODK, LB, ODP, ONDK, SBUX, SHOP,
SMG, STX, TSEM, WING

Removal of Pre-Open Fat Finger Checks
July 28, 2020 08:40:28

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AJRD, AMKR, BOIL, BSM, CCLP, COWN, CVLT, FIZZ, FRAN, JNUG, KODK,
KOLD, KTOS, MNTA, NAK, ODP, OMC, OMF, PII, SOHU, SPPI, ST, STM, TLRD, XEC

Removal of Pre-Open Fat Finger Checks
July 27, 2020 08:30:32

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AMPE, ANTH, ASNA, AU, EDU, ENT, FSM, GFI, HAS, HIBB, ICPT, JNUG,
NNN, NUGT, PAAS, ROYT, RYAAY, SA, SIL, SIVR, SLV, TGB, TSE, TSM, XPER, ZSL

Removal of Pre-Open Fat Finger Checks
July 24, 2020 08:18:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABUS, AEIS, AMD, ANTH, ASNA, BJRI, CHAU, EHTH, INTC, MPWR, MXL, NAK,
SALT, SAM, SHOO, SKX, SPHS, SWIR, TECS, TSLA

Removal of Pre-Open Fat Finger Checks
July 22, 2020 08:34:54

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AIR, ANTH, BBY, ENT, EXK, FE, HCA, MVIS, NAK, NBR, PAAS, SIL,
SIVR, SLV, SNAP, WGO, ZSL

Removal of Pre-Open Fat Finger Checks
July 21, 2020 08:34:56

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAOI, ACAD, AGQ, CE, CTIC, CTSO, DIG, DKS, EDC, FL, GALT, HIBB, IBM,
JNUG, LXRX, MHLD, NUGT, OPK, PAAS, PLD, SIVR, SYNA, TGTX, UCO, ZSL

Removal of Pre-Open Fat Finger Checks
July 20, 2020 08:19:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACRX, AJRD, ALKS, ANTH, CATM, CBL, DNR, DQ, IDRA, INFI, JE, NAK,
NAV, NBL, NVAX, TAN, TRQ, VCYT, WAL

Removal of Pre-Open Fat Finger Checks
July 17, 2020 08:55:38

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CPA, DOMO, ERIC, NFLX, NVAX, OSUR, SKYW, SNPS, SPCE, WAL, XHB

Removal of Pre-Open Fat Finger Checks
July 16, 2020 08:34:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ATI, CARA, CHAU, EDC, EDZ, FXP, IMAX, INT, JILL, LCI, LFC, NCLH,
NEWR, PAM, SIG, SON, SPHS, TOL, TSE, XPP, YANG, YINN

Removal of Pre-Open Fat Finger Checks
July 15, 2020 08:55:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACOR, AEIS, AER, ALK, ALSN, BBH, BK,BPOP, CAJ, CAKE, CAR, CDEV, CPA, CPS, DAL, DIN, DUG, EAT, EOG, EPR, ERY, EVRI, EXPE, FAS, FUN, GUSH, ICON, IDRA, INFY, JILL, LABU, LGND, LUV, LYV, MAR, NBR, ONDK, PENN, PLAY, PLNT, RCL, REMX, RIGL, RTIX, RYAAY, SDOW, SKYW, SPG,TNA, TXMD, TZA, UAL, UWM, VHC, VNO, WAT, WIT, WYNN, XEC

Removal of Pre-Open Fat Finger Checks
July 14, 2020 08:49:12

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APOG, BPMC, CYTK, FLXN, HOV, ICON, IT, LGND, MHK, OSTK, RIGL, TSLA, ZBRA

Removal of Pre-Open Fat Finger Checks
July 13, 2020 08:35:15

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BXMT, CMRX, CRNT, EVRI, FORM, HLF, HZO, MKTX, MXIM, NXST, PTR,
RICK, RIGL, SPHS, SYNA, TPC, TSLA, VUZI, WYNN

Removal of Pre-Open Fat Finger Checks
July 10, 2020 08:56:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AVH, CYTK, DTEA, EGRX, GBX, JAKK, LBY, PSMT, SP, UNT, VAC, WAL 

Removal of Pre-Open Fat Finger Checks
July 09, 2020 08:45:04

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APDN, ASMB, BGFV, HELE, INFI, MAS, NGG, NTES, PNR, PTC, SAP, ST, STON, VOC

Removal of Pre-Open Fat Finger Checks
July 08, 2020 08:43:41

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMC, ANTH, ASNA, BIIB, CNCE, CROX, CSU, HQY, LPL, RICK, SYNA, VVUS, XENT, YANG

Removal of Pre-Open Fat Finger Checks
July 07, 2020 08:56:29

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: EOLS, NVAX, VSLR, MFGP, HAE, CUB, RUN, LVGO, BOIL

Removal of Pre-Open Fat Finger Checks
July 06, 2020 09:08:52

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACMR, ADS, ARGX, ASHR, ASML, ATHM, BABA, BCO, BDX, BILI, BIDU, BLDP,
BNTX, BUD, BOIL, BZUN, CHAU, CPA, CRTO, CVNA, DIN, DQ, DUG, EDC, EDZ, EVBG, EDU,
FIVN, FXI, GKOS, GSX, IAC, IT, JD, KWEB, MCHI, NBIX, NBR, NIO, OOMA, OSTK, PDD,
POST, REGN, RYAAY, SE, SOXL, SPG, TAL, SQ, TECL, TQQQ, TSLA, TTD, UBER, UDOW, UPRO,
WD, WHR, WPC, WYNN, XLNX, YANG, YINN, YY, Z

Removal of Pre-Open Fat Finger Checks
July 02, 2020 08:54:14

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AKAM, APDN, AZO, BG, CAR, EDC, EDZ, ENR, FAS, FIZZ, FLS, FRAN, FUN,
FXP, GUSH, HIBB, LAD, MEIP, MTOR, NNN, NUS, OSTK, SNV, STKL, TLRD, TNA, TSLA, TZA,
USCR, UVXY, XPP, YANG, YUM

Removal of Pre-Open Fat Finger Checks
July 01, 2020 08:50:05

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ANTH, AXGN, BOIL, CCLP, FDX, GPI, INO, KOLD, MFIN, MHK, OCN, ODP,
PDCO, SMLP, TRXC, YRCW, ZYNE

Removal of Pre-Open Fat Finger Checks
June 30, 2020 08:41:10

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ANTH, ATH, BOIL, ERII, FRTA, GNC, GNW, INO, INOV, JCOM, KOLD, L,
LSCC, MU, ODP, SPG, SYK, XLNX, ZYNE

Removal of Pre-Open Fat Finger Checks
June 29, 2020 08:41:59

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AWK, BA, BOIL, COTY, ETH, HRTX, ICPT, ITCI, KBR, KOLD, LPL, MCF,
NTLA, NVAX, PRMW, RMTI, SNDR, TA, TWI, WETF

Removal of Pre-Open Fat Finger Checks
June 26, 2020 08:22:19

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APOG, BIG, BTE, CAMP, DVAX, FRT, GKOS, HRTX, INO, IR, MASI, MDCA,
RTIX, SNX, SRC, VIIX, ZGNX

Removal of Pre-Open Fat Finger Checks
June 25, 2020 08:39:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: GNC, HRTX, HTZ, INO, KBH, NBR, NK, NRG, NTRS, NVAX, QURE, RAD, RCL,
TCO, TWOU, UAL, XHB

Removal of Pre-Open Fat Finger Checks
June 24, 2020 08:38:26

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AL, AXTI, EDIT, GDOT, INO, NEP, NOG, PLUG, REGI, ROCK, SCHF,
SPHS, TCO, TCRD, VMW, YRD, ZION

Removal of Pre-Open Fat Finger Checks
June 23, 2020 08:26:00

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AEG, ALV, CBL, CRIS, EPR, HFC, HIBB, INO, LEE, MFIN, OCN, ONDK, OSTK,
RYAM, SAM, SPR, TNA, TZA, UVXY, VAC, WPG

Removal of Pre-Open Fat Finger Checks
June 22, 2020 08:36:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ATHX, BC, CMCM, ESPR, JAZZ, LSXMA, MVIS, NI, NK, NMM, NOAH, NVTA,
SHLX, SPHS, TRP

Removal of Pre-Open Fat Finger Checks
June 19, 2020 08:31:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAWW, AMED, AMPE, BEN, BWA, CDEV, CHK, ERY, FORM, GSAT, GUSH, INDL,
MC, MPC, NBR, NVAX, ONVO, OXY, PENN, RYAM, SBRA, SLCA, SPHS, STON, SYNA, UCO, USCR,
XOG

Removal of Pre-Open Fat Finger Checks
June 18, 2020 08:43:24

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABEO, ASPS, BEN, BWXT, CG, FRAN, HXL, LEG, LGIH, LSXMA, SCCO, SIL,
SPHS, TRP, X

Removal of Pre-Open Fat Finger Checks
June 17, 2020 08:41:35

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGRO, ANTH, AVEO, AZO, BAL, CAJ, CGNX, CXW, FHB, FIZZ, GRPN, GVA,
HEES, INWK, REGI, SAIC, SLG, SNCR, STON, USCR, WATT

Removal of Pre-Open Fat Finger Checks
June 16, 2020 08:23:48

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
June 15, 2020 08:32:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
June 12, 2020 08:20:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
June 11, 2020 08:35:05

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
June 10, 2020 08:45:27

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AIR, AMC, ANTH, AVT, BTE, CDEV, CHK, CLDX, CPA, CPE, CRIS, CYTK,
DIG, DNR, FFIV, FGEN, FIVE, GES, ICON, JILL, LPI, LYB, NE, OAS, OIH, PRF, QEP, ROYT,
RSP, SAVE, SDRL, SFUN, SNX, SPHS, STON, TA, TSLA, VAC, VRNT, WATT, WLL, XEC, XOG,
TRUE

Removal of Pre-Open Fat Finger Checks
June 09, 2020 08:39:17

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AER, AL, ALL, AMP, AQMS, ASNA, AU, CDEV, CHK, CVI, DAL, DNR, DUG,
ERX, ERY, GGB, GNC, GPOR, GUSH, HEES, IPI, KKR, LPI, NBR, NCR, NE, OAS, OXY, REVG,
RIG, SAVE, SB, SC, SNA, SPB, SPHS, SRC, STZ, TRGP, WLL, XES, ZGNX

Removal of Pre-Open Fat Finger Checks
June 08, 2020 08:42:22

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, ADS, AER, ALK, ALLY, APA, ARNA, ASNA, BA, BLDR, BTU, CAR, CCL,
CG, CHK, CHS, CIT, CLB, CLDX, CLR, CNK, CNQ, COP, CPA, CPE, CRC, CVE, CVI, CXO,
DAL, DDS, DFS, DNKN, DNR, DRIP, DVN, EAT, ENT, EOG, ERF, ERX, ERY, FANG, FAS, FOSL,
GNC, GPOR, GSM, GUSH, HA, HAL, HES, HLX, HOG, HP, HTZ, IR, JWN, KSS, LPI, MAC, MIK,
MPC, MRO, NBL, NBR, NCLH, NE, NVMI, OAS, OIH, OKE, OXY, PAA, PBF, PEI, PLAY, PTEN,
PXD, QEP, RCL, RIG, SABR, SAVE, SDRL, SEAS, SIX, SLB, SM, SPG, SPN, SRPT, STOR,
SU, SYY, THC, THO, TNA, TRIP, TRVG, TTPH, UAL, USDP, VNO, VNOM, WES, WFC, WLL, WPG,
WPX, XEC, XOP, XRX, Z, ZN

Removal of Pre-Open Fat Finger Checks
June 05, 2020 08:42:26

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, ALK, ALLY, BA, BRZU, CAR, CCL, CHK, CIT, CMA, CPE, CRC, DAL,
DIN, DLNG, DNR, DRI, EDC, ERI, ERY, EXTR, FANG, FAS, GOGO, GSAT, GUSH, HA, HLX,
HSBC, HTZ, ICON, JBLU, JWN, LUV, MAC, NBR, NCLH, NE, NVAX, OAS, OII, PEI, PLAY,
QEP, RCL, RH, RIG, SAVE, SDRL, SEAS, SIX, TNA, TOL, TSEM, TTPH, TZA, UAL, UCO, WLL,
WPG

Removal of Pre-Open Fat Finger Checks
June 04, 2020 08:28:21

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AIR, ANTH, ATSG, CLDR, CLIR, COLM, CTB, DXPE, ERI, GSM, JAKK, JKS,
LAZ, LUV, MGM, MIK, PBPB, RGLD, SAVE, SMLP, UAL, VVV, WWW

Removal of Pre-Open Fat Finger Checks
June 03, 2020 08:50:14

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AIR, ANTH, ARCB, BOIL, BR, BRZU, BTE, BUD, CAKE, CE, CSTM, FMC, GOOS,
HII, HQY, INGN, JJC, KN, KOLD, MCHP, MCRI, MHLD, RGA, SCCO, SPHS, SSYS, STM, VNO,
XHB

Removal of Pre-Open Fat Finger Checks
June 02, 2020 08:33:46

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BZUN, CAR, COHR, HDS, IDRA, LPI, MGI, RH, WU

Removal of Pre-Open Fat Finger Checks
June 01, 2020 08:36:54

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAXN, AJRD, ANTH, APOG, BFAM, BOIL, BWXT, CTIC, DISCA, DNR, EBS,
FITB, FRAN, GKOS, GV, H, HALO, HDSN, IPI, KOLD, NTLA, PFE, PTC, RGR, SLG, STKL,
UNT, VSTO, WWE

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACLS, AVEO, BIG, MEIP, MRVL, NAK, NFG, PEIX, SIMO, SMLP, SMTC, TYL,
VMI, VMW, WSM

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALXN, ARNA, ASNA, BGFV, CBL, DLTR, ESNT, HTZ, SLCA, SMTC, TAN, TGI,
TOL, WDAY

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, ADS, ALK, BRZU, BUD, BYD, C, CCL, CFG, CFR, CMA, COF, COLM,
CPA, CSU, DAL, DIN, EAT, EPR, ESNT, FAS, GNC, HDB, HEI, HIBB, HTZ, HXL, JBLU, KSS,
LJPC, LUV, M, MLHR, MTB, NBR, NCLH, PLCE, PNC, PZZA, RCL, SAVE, SEAS, SIX, SKYW,
SPG, SPHS, STON, TNA, TOUR, TRIP, TRVG, TZA, UAL, USB, UVXY, UWM, UYG, VOYA, WFC

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACLS, ADS, AJRD, ALK, ASPS, BA, BBD, BC, BJRI, BNS, BOIL, BRZU, BUD,
BYD, CAKE, CCL, COLM, COTY, CREE, CROX, DAL, DIN, DUG, EAT, EDC, EDZ, ERI, ERY,
EWZ, EXPE, EZA, FAS, FAZ, FOX, GBX, GOGO, GUSH, HIBB, HLT, HMC, IWO, LUV, LYV, MAR,
MAR, MAR, MRVL, NVAX, PENN, PLCE, RCL, SAP, SAVE, SDOW, SIX, SKX, SKYW, SMCI, SPHS,
SPXL, STM, TDG, TECL, TLRD, TNA, TRIP, TZA, UAL, UCTT, UPRO, UVXY, UWM, UYG, VAC,
VFC, XES, YANG

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: A, CROX, DKL, PANW, SCO, SNDX, SPLK, THO, UCO, XLC, YANG

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BOIL, CAH, FGEN, KOLD, MTOR, RENN, SERV, UTHR, YANG, YY, ZTO

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADI, AER, AIR, ALRM, CPLP, CSTM, DK, EDC, EDZ, EMN, EQM, ERI, GPRE,
GTE, HES, HRI, INO, KIN, LABU, LOW, MTZ, OCN, PEI, PENN, PVH, TCRD, TNA, TRMB, TZA,
UVXY, VJET

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, ADMP, BIDU, CPG, CVNA, DVAX, DY, EXP, FTK, NAK, SINA, STM, VSH,
WATT

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, ARNA, CNDT, CROX, CSTM, DDS, EDC, EDZ, IIVI, IPHI, JCP, LITE,
LPI, LRCX, MU, NEWR, NPTN, OCUL, QCOM, QRVO, RENN, SAIC, STON, TECL, TER, TOL, TTPH,
UVXY, VFC, VHC, VIRT, VXX, YANG, ZEN

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADXS, CLLS, CRK, EDC, EDIT, EDZ, FAS, FAZ, GDDY, GTLS, HESM, ICON,
JACK, LEA, PSTI, SAM, SLM, TZA, UVXY, WIX, WLL, YANG

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AT, BCO, CTAS, DUG, EDAP, EDIT, INFN, JCP, LSCC, SHOO, TSEM

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BCRX, CRC, CSOD, ERI, GDOT, GTE, GWPH, IFF, IIVI, ITCI, MVIS, NVAX,
NYT, ONVO, PII, REI, RGLD, SBGI, SKYW, SPG, TCO, UNIT, VNO, WPRT, YRCW

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACLS, AMC, AN, BITA, BLUE, CAH, CNAT, COTY, CYTK, EBIX, GNC, IDCC,
LBTYA, PLX, TCRD, VAC, VUZI

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAOI, AAXN, ATHM, AXL, BRZU, BXMT, CAI, CFG, CNAT, CWH, DDS, DS,
ESNT, HHC, HLF, IHF, IPHI, LSI, MHK, MSI, MVIS, NVMI, OCN, POST, PSTI, QRVO, RCII,
RENN, SCO, SKYW, SPWR, TNA, TTD, TTPH, TZA, UFS, XOG

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, AAWW, AEIS, AMP, CF, COMM, CVNA, DBD, DXCM, EPAY, ERY, FTNT,
GUSH, IRM, LAMR, LBTYA, LBTYK, MVIS, NUS, PCRX, PXD, PYPL, RGR, RLGY, SAVE, SCO,
SEDG, SIL, TEVA, TTPH, TWLO, UCO, USO, VSTO, WPX, XEC, XOG, YPF

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

ACMR,ADPT,ASGN,ATVI,AXNX,BYND,CDAY,EVBG,GKOS,GPN,
GSX,HXNP,INGN,LPSN,MED,MELI,NTNX,NWPX,PINS,PRDO,
SEE,SILK,SMG,USHY

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACGL,AER,AL,ALK,ARCO,ATRS,BCRX,BOIL,CDEV,CRS,CUTR,DIN,EPR,

FANG,FAS,FAZ,FDP,FET,FIVN,FL,GTN,GUSH,HES,HLX,HTZ,KOLD,KOPN,
MTZ,MVIS,NEOS,NRZ,PDCE,PRU,PTLA,QSR,SIX,TGTX,TTI,TZA,WRK,XOG

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ASGN,BA,DISCA,ECHO,IAC,LORL,MAR,NTCT,PLNT,RCL,


SCHH,STML,UVXY,UAL,DAL,LUV,EXPE

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, ADI, AGO, AMZN, APO, ARCH, BJRI, BRZU, COG, CPA, CSOD, DIN,
DO, DRI, EDC, EDZ, EXPE, FAS, FAZ, GUSH, IPHI, IR, JBHT, LABU, LAZ, LSCC, MTZ, MVIS,
RCL, SIMO, SKX, SPG, SPXL, SRC, TNA, TQQQ, TZA, UPRO, UVXY, VIXY, VXX, WDC, Z, ZEN

Removal of Pre-Open Fat Finger Checks
April 30, 2020 08:38:10

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACRX, AR, AZN, BEAT, CFX, CHK, CLB, CPE, DO, EOG, ERF, FANG, FB,
GUSH, HLX, HOLX, LAMR, LPI, LXRX, MRO, MTDR, OAS, OII, OLN, OSTK, PH, PI, QEP, SCO,
SIX, SLM, TNA, TPX, TSLA, TZA, UCO, UCTT, WLL

Removal of Pre-Open Fat Finger Checks
April 29, 2020 08:39:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APRN, ARAY, CCL, CHK, CRTO, DIN, DKS, DNR, DO, DXCM, EAT, ELY, ERX,
GNC, GOOG, GOOGL, GUSH, HAL, HAS, INDL, INO, IR, IRBT, KIM, LPI, LXRX, MASI, NCLH,
NPTN, OAS, OCN, PBF, PDCE, PLD, RLGY, SAVE, SPG, SRC, STOR, TSEM, TXMD, UBS, USO,
UVXY, WLL

Removal of Pre-Open Fat Finger Checks
April 28, 2020 08:46:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMC, BBBY, BOIL, CAKE, CHS, CMI, DGX, DHI, DVAX, ERF, ERI, FAS, FAZ,
FFIV, GERN, HOG, IMAX, JWN, KSS, NXPI, OCUL, OHI, PI, PII, RCL, RYAM, SC, SIX, SPG,
STM, TAL, TNA, TTPH, TZA, UVXY, WYNN

Removal of Pre-Open Fat Finger Checks
April 27, 2020 08:45:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BOIL, BRZU, CHK, CNI, CPA, DB, FLS, HES, LABU, LXRX, NAT, NYMX, OMER,
SCO, SEE, SM, STNG, THO, TNK, UCO, USO, WLL, ZBH

Removal of Pre-Open Fat Finger Checks
April 24, 2020 09:03:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BLK, DO, EW, GUSH, IR, NBR, ORLY, SM, STM, WLL

Removal of Pre-Open Fat Finger Checks
April 24, 2020 08:41:55

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALV, AN, EBS, EW, CHK, INTC, MATX, TREX, WWE

Removal of Pre-Open Fat Finger Checks
April 23, 2020 08:37:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BRZU, CHK, CORT, CPE, CRC, CROX, DNR, DO, DUST, DVAX, FLO, FLR, HLX,
IMMU, INCY, JDST, JNUG, LPI, LVS, MVIS, NBR, NE, NTGR, NUGT, OAS, OIL, PAYC, QEP,
SALT, SAM, SCO, TGT, TXT, UCO, UCTT, WATT, WLL, WYNN, XLNX, ZN

Removal of Pre-Open Fat Finger Checks
April 22, 2020 08:43:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AR, ASNA, BIIB, BUD, CMG, DSX, EDC, EDZ, EQM, ESPR, EXPE, HRI, IBKR,
IDRA, INDL, LXRX, NTGR, NVGS, OIL, PRTA, RLGY, SCO, SNAP, STM, STNG, TECL, TER,
TQQQ, TWTR, USNA, YANG

Removal of Pre-Open Fat Finger Checks
April 21, 2020 08:38:48

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AGQ, AU, BUD, CARA, CMA, CRUS, CXO, ERF, ERY, FAS, FAZ, GUSH, IR,
NAT, NBR, OCN, OIL, PI, SCO, SPXL, TK, TZA, UCO, USO, UVXY, VXX, WATT

Removal of Pre-Open Fat Finger Checks
April 20, 2020 08:53:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APA, BP, BUD, CAKE, CHK, CMA, COP, CRC, CXO, DRIP, EOG, EROS, ERX,
ERY, EXEL, FANG, FAS, FAZ, GGB, GUSH, HES, HFC, KKR, KSU, MMP, MPC, NAK, OIH, OIL,
OKE, OXY, PDCE, PXD, QEP, SCO, SM, STT, TOT, TZA, UAL, UCO, USO, UVXY, VLO, VXX,
WPX, XLE, XOM, XOP, ZIOP

Removal of Pre-Open Fat Finger Checks
April 17, 2020 08:34:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
April 16, 2020 08:36:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAWW, AKG, ATHX, BBBY, CALA, DO, INO, JACK, MOBL, OII, RAD, STMP,
XEC

Removal of Pre-Open Fat Finger Checks
April 15, 2020 08:51:08

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADI, ALNY, ASNA, BC, BDX, BHP, BP, BWA, COF, CVA, CXO, EDC, EDZ,
ERF, ERY, FANG, FAS, FAZ, GLNG, GUSH, HDB, HSBC, LABU, LNC, NUE, RCL, RUSL, SCO,
SDOW, SPXL, STM, TECL, TMF, TNA, TOL, TOT, TQQQ, TZA, UPRO, UVXY, VIXY, VXX, YANG

Removal of Pre-Open Fat Finger Checks
April 14, 2020 08:41:51

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACOR, AGIO, CHS, CNK, COF, DIN, DKS, EDC, EDZ, EROS, EXPE, FAS, FAST,
FAZ, GME, JWN, MEIP, MFIN, NCLH, NK, OMC, RCL, RH, SPXL, TDG, TECL, TQQQ, TSLA,
TTD, TZA, UAL, UPRO, UVXY, VJET, WYNN

Removal of Pre-Open Fat Finger Checks
April 13, 2020 08:45:37

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALK, AMC, ANF, AR, ATHX, BCRX, BURL, CALA, CE, CIT, CRTO, DNKN, EXPD,
FANG, GUSH, HLX, MCO, MPC, MUR, NFG, OKE, PTEN, RIG, SM, TRGP, TUP, XEC, XES, ZYNE

Removal of Pre-Open Fat Finger Checks
April 09, 2020 08:44:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABMD, APA, BIG, CLMT, CRC, CTSH, CYH, CYTK, DIS, FANG, GUSH, HLX,
INT, KEX, MNST, MTDR, OII, RIG, RRD, SM, UHS, WES, WTI, YELP

Removal of Pre-Open Fat Finger Checks
April 08, 2020 08:37:47

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ARLP, BGCP, CALA, CBRL, CHGG, COTY, DIN, EGHT, FAS, FBHS, FDX, MDP,
NLY, NRZ, NVAX, PACB, PM, PTEN, RCL, SALT, TAL, W

Removal of Pre-Open Fat Finger Checks
April 07, 2020 08:49:23

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, AAWW, AGQ, AIG, ALB, ALK, AMC, APA, APO, ATI, AXP, AZO, BA,
BAC, BBY, BCS, C, CAR, CCL, CM, CNX, COF, CRC, CVNA, CYBR, CZR, DAL, DDS, DFS, DKS,
DNKN, DRI, ERI, ERY, EWZ, EXPE, FAS, FAZ, FL, GM, GUSH, HA, HAS, HLT, HTZ, IMAX,
ITB, JBLU, JWN, KBH, KMX, KSS, LABD, LABU, LUV, LVS, M, MA, MAR, MAR, MAR, MET,
MGM, MMM, MOMO, MPC, MT, NRZ, NTRS, O, OKE, OLED, PRU, PSA, PSX, PVH, RCL, REG,
RH, RLJ, SAVE, SCHW, SDS, SEAS, SGMS, SHAK, SIX, SKT, SKX, SPG, SPXL, SQ, SSO, STM,
SYF, SYY, TPX, TQQQ, TTD, TXT, TZA, UAL, ULTA, URI, VFC, VLO, WDC, WYNN, XOM, XPO,
XRT, YELP, Z

Removal of Pre-Open Fat Finger Checks
April 06, 2020 08:51:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AFL, ALB, AMC, AN, ANET, ASML, BA, BIB, BKD, BLK, BYD, CVNA, CYBR,
CYH, DAL, DDS, DFS, DISH, DNKN, DRI, EBAY, EMN, EMR, ERI, EW, EWZ, EXPE, FAS, FAZ,
GDXJ, GPC, HAS, HCA, HLT, HTZ, IMMU, ING, INTU, JDST, JNUG, LABD, LABU, LNG, LSXMA,
LVS, LXRX, MAR, MAR, MAR, MET, MGM, NRZ, OKE, OLED, PII, PRU, QID, QLD, RCL, REG,
RH, RL, ROST, SCO, SDS, SGMS, SHOP, SNE, SPG, SPXL, SPXS, SPXU, SQ, SQQQ, SSO, STM,
SYY, TJX, TNA, TQQQ, TRV, TTD, TZA, UVXY, VMW, VXX, W, WYNN, XPO, XRT, Z

Removal of Pre-Open Fat Finger Checks
April 03, 2020 09:01:18

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APA, BGCP, BZH, CEQP, CLDX, CLR, CPE, CVE, DNR, DO, ERY, EXPR, FANG,
FLS, FRO, GPOR, GSAT, GUSH, HBM, HOME, HP, IMMU, MIC, MUR, NE, NTRS, OCUL, OIL,
OKE, PLNT, PVH, QEP, SCO, SDRL, SM, TOT, TSLA, UCO, USO, VGK, WPG, WPX, XOP

Removal of Pre-Open Fat Finger Checks
April 02, 2020 08:48:00

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABC, APA, BP, BPT, BTI, CCL, CLR, CMC, CNQ, COP, COT, CRTO, CVE,
CVX, CXO, DO, DRIP, DVN, EDC, EDZ, EMN, EOG, ERF, EROS, ERX, ERY, EXPR, EXTR, FANG,
GMLP, GNW, GUSH, HES, HLX, HP, INDL, MPC, MRO, MTDR, NBL, NMIH, OII, OKE, ORC, PAA,
PE, PRTK, PSX, PXD, QSR, SCO, SHOP, SM, TCO, TDG, TOT, UCO, VLO, WPX, XEC, XLE,
XOM, XOP

Removal of Pre-Open Fat Finger Checks
April 01, 2020 09:01:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAWW, ACAD, AER, AFL, AIG, AMTD, APD, APO, ATHM, BA, BAC, BIB, BRZU,
BX, BZUN, C, CBL, CCI, CG, CLDX, CMRE, CNC, CRUS, CSX, DGX, DLR, DRIP, DXD, EDC,
EDZ, EMR, ENB, ERY, ESPR, EWZ, EXAS, EXPE, FANG, FAS, FAZ, GBX, GLNG, HOME, HSBC,
IMGN, IMMU, INDL, IP, ISRG, IVW, IWM, IYT, JACK, JBHT, LABU, LNC, LYV, MAR, MAR,
MAR, MET, MMP, MPC, MS, NBR, NEP, NTRS, NUS, OAS, OC, ODFL, OKE, OLLI, ONVO, OSUR,
PHM, PLD, PLNT, PRU, PSA, PTC, QID, QLD, RCL, RH, RMBS, SDS, SHW, SPG, SPXL, SPXS,
SPXU, SQ, SQM, SQQQ, SRC, SSO, STT, SYK, TDG, TER, TMF, TNA, TQQQ, TRV, TZA, UAL,
UEC, UNP, UPRO, UTHR, UTX, UVXY, VIXY, VLO, VMC, VMW, VRNT, VTR, VXX, W, WATT, WGO,
WHR, WLL, WYNN, ZEN

Removal of Pre-Open Fat Finger Checks
March 30, 2020 08:39:19

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABT, ACOR, ADMP, AES, AGO, ALK, APRN, AQMS, ARLP, BA, BTU, CAKE,
CBL, CHTR, COTY, CPA, CRC, DAL, DDD, DRIP, ERI, ERY, EXPR, FHN, GUSH, HDB, IMGN,
INFN, LAZ, LNG, LUV, LYV, MUX, NAT, NCLH, NDAQ, OCUL, PXD, RCL, SAVE, SCCO, SCO,
TGNA, TK, TNK, UAL, UCO, WGO, XES, XOG, XOP

Removal of Pre-Open Fat Finger Checks
March 27, 2020 08:45:16

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


AMTD,BCE,BGCP,BHP,BRZU,CHTR,CPG,CURE,DEO,DIN,EDC,EDZ,EV,FAS,FOX,FTNT,FXI,GNC,H,HON,INDL,LABU,LADR,MFA,PAYC,PRTK,QLD,SCO,SPR,SPWH,SPXL,SPXU,TGA,TNA,TZA,URI,UVXY,VG,VIXY,VOC,VRAY,VTNR,VXX,WYNN,YINN

Removal of Pre-Open Fat Finger Checks
March 26, 2020 08:48:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACOR, AI, AU, AVH, BCLI, BLUE, CAKE, CBRL, CERN, CERS, CRBP, CSIQ,
CURE, DRI, DRIP, DVAX, ENT, EPR, EWU, GNC, HACK, IIVI, JAZZ, KBE, MRVL, NRG, OC,
OCN, OILD, ORC, PAYC, PEI, SCO, SIG, TMF, TOT, UVXY, VFC, VOC

Removal of Pre-Open Fat Finger Checks
March 25, 2020 08:54:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, AAP, AIR, ALK, ALLY, AU, AXL, AZUL, BA, BLMN, BNS, BP, BXMT,
CCL, CNK, CSOD, DAL, DIN, DRIP, EPR, ERI, FTR, GASL, GNC, HA, HAL, HMC, HOME, IR,
JBLU, LADR, LEG, LUV, MGM, MIC, MSG, NBR, NCLH, NEP, NKE, NRZ, NVO, ODFL, OII, OILD,
PENN, QIWI, RCL, RYAM, SABR, SAVE, SKYW, TSLA, TUP, TWO, TXRH, UAL, UVXY, VAC, VIXY,
VTR, VVUS, WGO, WSR, WYNN

Removal of Pre-Open Fat Finger Checks
March 24, 2020 08:22:24

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
March 23, 2020 08:49:06

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AEM, APRN, ASNA, ATHM, ATHX, ATUS, BIB, BSX, BTG, CSU, CSX, DHR,
DUST, EGO, FTR, GDX, GDXJ, GFI, HAS, HBI, HIG, HMY, IAG, IJR, INAP, INDL, JACK,
JDST, JNUG, LAZ, MNK, MNST, NCR, NEWR, NUGT, NVO, OCUL, OII, PAAS, PENN, RYAM, SABR,
SCO, SLAB, SMG, TDOC, TMF, TOT, TZA, UAL, USDP, UVXY, VIXM, VIXY, VTR, VXX, W, WGO,
WHR, WPM, WYNN, Z

Removal of Pre-Open Fat Finger Checks
March 20, 2020 08:54:09

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AEM, AG, AGO, ALK, AMLP, APO, APRN, ASML, BJRI, BMO, BTU, BUD, CAR,
CCL, CHGG, CHL, CMG, COP, COT, CXO, DAL, DFS, DLTR, DRI, DRIP, DUST, EOG, ERI, ERY,
EWY, EXAS, FANG, FAS, FAZ, FIVE, FNV, FOLD, FSLR, GDX, GRUB, HA, HAL, HIBB, HLT,
HTZ, HUM, INO, IP, IPI, ISRG, JNUG, LEN, LITE, LULU, LUV, LVS, LXRX, MAR, MAR, MAR,
MGM, MNK, MOMO, MT, MU, MUR, MYL, NRZ, NUE, NUGT, NVDA, O, OHI, OKE, OMC, PAA, PCRX,
PRU, PSX, QID, QLD, RCL, RGLD, RY, SAVE, SGMS, SM, SPG, SQ, SQQQ, SWKS, SYY, TER,
TEVA, TOT, TQQQ, TSM, TSN, TWLO, TZA, UAL, ULTA, VWO, W, WDC, WLL, WPM, WPX, WRK,
WYNN, XHB, YINN, YUM, Z

Removal of Pre-Open Fat Finger Checks
March 19, 2020 08:41:17

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AES, AMTD, APRN, AVEO, BA, BCS, BTI, BUD, C, CAR, CMI, COF, DAL,
DE, DGX, DRI, EXPE, FAZ, FCAU, FOLD, HLT, HTZ, JDST, JNUG, KR, LOGI, MAR, MAR, MAR,
NRZ, NUAN, NUGT, PANW, RCL, SBGI, SDS, SPXL, SPXS, SPXU, SQQQ, SSO, TLRD, TNA, TOT,
TQQQ, TZA, UVXY, VXX, W, WYNN

Removal of Pre-Open Fat Finger Checks
March 18, 2020 08:47:15

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
March 17, 2020 08:32:47

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AIMT, ALK, AMZN, APPN, APVO, ARCH, BDX, BHP, BSX, BUD, COUP, CRSP,
CRWD, DBVT, DOCU, DOW, EHTH, ETFC, FAS, FAZ, FFIV, FUN, GH, GLPG, GNC, HXL, IYW,
JD, KRE, LABD, LOGI, MCHP, MHK, MIDZ, MRNA, NAIL, NEE, NEM, O, OILD, PAYX, QGEN,
QID, QLD, RACE, REGN, RNG, SDOW, SDS, SOXL, SOXS, SPXU, SQ, SQQQ, SSO, TECL, TM,
TMO, TQQQ, TZA, UL, UN, UVXY, VTR, VXZ, VYM, WRK, XLV, YY

Removal of Pre-Open Fat Finger Checks
March 16, 2020 08:41:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
March 13, 2020 08:52:54

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: All Underlying Symbols

Removal of Pre-Open Fat Finger Checks
March 12, 2020 09:09:33

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, ACN, ADI, ADSK, ALB, ALK, ALXN, AMBA, AMC, AMRN, AMTD, BBBY,
BHP, BZUN, CCL, CMI, CRC, DD, DDD, DFS, DISCA, DKS, DPZ, DUST, EROS, ERX, ETFC,
ETN, EXAS, EXPE, FAST, FFIV, GME, GRMN, HCA, HIMX, HON, IGT, IRBT, JBLU, JCI, JDST,
JWN, K, KHC, KMX, KSS, LABU, LLY, LMT, LNG, MAR, MAR, MAR, MET, MRVL, NOW, NSC,
NVAX, OCUL, OKE, OLED, OXY, PAA, PANW, PETS, PNC, PSX, PXD, QRVO, RTN, SAVE, SCO,
SDS, SEAS, SGMS, SHAK, SKX, SO, SPG, SPLK, SQQQ, STM, SYF, TER, TPX, TQQQ, TRIP,
TSN, TTD, USB, UTX, VEEV, VGK, WMB, WPM, WY, XLB, XLI, XLNX, XLY, XPO, YELP, YNDX,
YUM, Z, ZION

Removal of Pre-Open Fat Finger Checks
March 12, 2020 08:56:56

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, AAPL, ADBE, AG, AIG, AKAM, AMAT, AMD, AMGN, AMZN, APA, ARNC,
AUY, AVGO, AXP, BA, BABA, BAC, BBY, BIDU, BP, BUD, BX, C, CAR, CAT, CMG, COF, COP,
CRM, CSCO, CSX, CVS, CVX, DAL, DE, DHI, DIA, DIS, DOW, EEM, EFA, EOG, EWW, EWY,
EWZ, FAS, FB, FCX, FDX, FL, FSLR, FXI, GDX, GDXJ, GE, GIS, GLW, GM, GOOG, GOOGL,
GS, HAL, HD, HES, HOG, HSBC, HTZ, IBB, INTC, IWM, JD, JNUG, JPM, KGC, KRE, LOW,
LRCX, LULU, LUV, LVS, M, MA, MO, MOMO, MPC, MRK, MS, MSFT, MU, NEM, NFLX, NKE, NTES,
NUE, NUGT, NVDA, ORCL, PBR, PYPL, QCOM, QQQ, RAD, RH, RIG, SBUX, SCHW, SHOP, SMH,
SPY, SQ, SRPT, STX, SVXY, SWKS, T, TNA, TSCO, TSLA, TWLO, TWTR, TXN, TZA, UAL, UCO,
ULTA, UNP, UPS, URI, UVXY, V, VALE, VLO, VXX, WDC, WFC, WYNN, X, XBI, XLE, XLF,
XLK, XOP, XRT

Removal of Pre-Open Fat Finger Checks
March 11, 2020 08:38:15

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AB, ALK, BP, CCL, CERN, CHAU, CURE, DD, DRIP, DUG, DXC, DXD, EDC,
EDZ, ENBL, ERX, FAS, FAZ, GLOG, GUSH, INO, INSM, IPHI, IYT, LABD, LABU, LPI, NBR,
NCLH, NSC, OILD, OKE, QID, QLD, RCL, REI, RUSL, RUSS, SCO, SDOW, SDS, SHAK, SPHS,
SPXL, SPXS, SPXU, SQQQ, SSO, TAN, TDOC, TECL, TMF, TNA, TQQQ, TTD, TZA, UPRO, URI,
USB, UVXY, UWM, UYG, VIXY, VOC, VSLR, VXX, WATT, WLL, YANG, Z

Removal of Pre-Open Fat Finger Checks
March 10, 2020 09:00:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, ALB, ALK, AMAT, AMBA, AMLP, AMTD, APA, APO, APRN, ATVI, BHP,
BIB, BLK, BP, BX, C, CBL, CCL, CFG, CHK, CIEN, CIT, CLR, CMA, COP, CREE, CVNA, CVX,
CXO, CY, CYBR, DD, DFS, DHR, DKS, DLR, DO, DOV, DOW, DPZ, DRI, DRIP, DVN, DXCM,
DXJ, EMN, EMR, EOG, ERF, ERI, ERX, ERY, ETFC, EWZ, EXAS, FANG, FAS, FAZ, FL, GKOS,
GOOS, GUSH, GWPH, HAL, HES, HFC, HOG, HP, HRB, HST, HUN, INFN, IONS, IP, IPHI, IRBT,
JKS, KKR, KRE, LABU, LB, LNG, LOGI, LVS, LYB, MET, MPC, MRO, MS, MT, MUR, NBR, NE,
NEWR, NTRS, NVAX, OAS, OHI, OKE, ON, OXY, PAA, PBR, PDCE, PE, PH, PNC, PSX, PVH,
PXD, QEP, QID, QIWI, QLD, R, RACE, RCL, RH, RIG, RIO, RRC, RSX, RTN, RYAM, SCO,
SDRL, SDS, SHOP, SLCA, SM, SNE, SPGI, SPXL, SPXS, SPXU, SQQQ, SSO, STLD, STM, STT,
SU, SVXY, SYF, SYK, TNA, TOT, TPX, TQQQ, TRGP, TRVG, TSLA, TTD, TZA, UAL, UCO, URI,
USB, UVXY, VGK, VXX, WIX, WLL, WPX, WRK, WYNN, XLE, XOM, XOP, XRX, YINN, YNDX, Z

Removal of Pre-Open Fat Finger Checks
March 09, 2020 09:16:18

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AA, ABBV, ABT, ADBE, AIG, AKAM, ALLY, AMC, AMGN, APA, ARNC, ATVI,
AVGO, AXP, BBY, BIIB, BP, BUD, BX, CAR, CF, CIEN, CLR, COF, COP, CRM, CSX, CVS,
DB, DE, DHI, DOW, DUST, DVN, EA, EOG, EPD, EWY, EXPE, FAS, FAST, FDX, FL, FSLR,
GIS, GLW, GME, HES, HOG, HON, ISRG, JNPR, JNUG, KMI, KSS, LB, LLY, LMT, LNG, LRCX,
LULU, LUV, LVS, MA, MET, MGM, MO, MOMO, MPC, MRO, MRVL, NTES, NTNX, NUE, OIH, OKE,
OXY, PANW, PFE, REGN, RH, RIG, SCHW, SHOP, SKX, SLB, SLCA, SMH, SQ, SWKS, SWN, TBT,
TEVA, TNA, TQQQ, TRIP, TWLO, TXN, TZA, UCO, ULTA, UNH, UNP, UPS, URI, VEEV, VFC,
VLO, WB, WBA, WLL, WPM, XLI, XLP, XME, YELP, YNDX, ZN

Removal of Pre-Open Fat Finger Checks
March 09, 2020 09:01:24

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAPL, AKS, AMAT, AMD, AMZN, BA, BAC, BIDU, BMY, C, CAT, CHK, CLF,
CMG, COST, CSCO, CVX, DAL, DIA, DIS, EBAY, EFA, EWZ, FB, FCX, GE, GM, GOOG, GOOGL,
GS, HAL, HD, HYG, IBM, INTC, IWM, JD, JPM, KO, KRE, LOW, MCD, MS, MSFT, MU, NFLX,
NKE, NUGT, NVDA, ORCL, PBR, PYPL, QCOM, QQQ, SBUX, SPY, STX, SVXY, T, TGT, TLT,
TSLA, TWTR, USO, UVXY, V, VXX, WDC, WFC, WYNN, X, XBI, XLE, XLF, XLK, XOM

Removal of Pre-Open Fat Finger Checks
March 06, 2020 09:29:45

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AMTD, BIB, BYD, CAR, CMA, CVI, EWZ, HRB, INT, ITCI, JPM, KSU, LITE, MELI, MET, NCLH, PNC, PRU, RCL, ROK, ROP, SCHW, SITE, SNV, SPXS, TCP, TLT, TROV, VNOM, WGO, XEC, XOG, ZROZ

Removal of Pre-Open Fat Finger Checks
March 06, 2020 08:53:10

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACN, ADMP, ALB, AMD, ASHR, AUY, AZO, AZUL, BAC, BFR, BIO, BLCM, BOKF, BRS, BWX, BZQ, C, CAKE, CBL, CFG, CNNX, CNO, CNQ, COLL, CQP, CTL, CY, DDM, DFRG, DRIP, DVN, DXJ, DZSI, ECA, ENZ, EPV, EVER, EVIX, EWA, EXAS, EXEL, FANG, FITB, FSS, FXR, GBT, GCC, GE, HACK, ICPT, INSY, INXN, IPGP, ITGR, KBR, KRG, LNC, LUX, LYV, MAR, MDC, MDLZ, MGC, MIDU, MMM, MOS, MS, MTOR, NVAX, NVCR, NVGS, OILU, OPK, PDCE, PH, PSQ, PSXP, PXD, QQQ, RMBS, ROBO, RSG, RSG, RUSL, SBLK, SC, SCHN, SDRL, SDS, SGOL, SHPG, SIVB, SJT, SNE, SNN, SPHQ, STRP, SVU, TECL, TGI, TGNA, TV, UAL, UBIO, UBT, ULTA, UPRO, UWM, VIIX, VIXM, VIXM, VRAY, VRX, VXZ, WOR, WPC, WPM, XCO

Removal of Pre-Open Fat Finger Checks
March 05, 2020 08:47:59

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AKG, BBL, BHP, BRZU, CCL, CURE, DGX, DK, DRIP, DXD, ELF, ERY, EWU,
FAS, FAZ, GASX, GKOS, HP, LABU, MAC, MPC, MRVL, QID, QLD, RUSL, SDOW, SDS, SPXL,
SPXU, SSO, TECL, TER, TNA, TQQQ, TWOU, TZA, UBIO, UPRO, UVXY, UWM, VXX

Removal of Pre-Open Fat Finger Checks
March 04, 2020 08:57:16

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AMBA, ANTM, AVAV, CI, CNC, CNDT, CROX, CURE, SDIT, ERY, GASX, GLOP, HCA, HUM, IHF, INO, JWN, LABU, MRCY, MTZ, MVIS, NXRT, PLNT, RUSL, SDOW, SPHS, SPXL, SPXS, SPXU, SQQQ, SRC, SWK, TECL, TQQQ, UEC, UNH, UPRO, UVXY, VEEV



Removal of Pre-Open Fat Finger Checks
March 03, 2020 09:01:04

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

Removal of Pre-Open Fat Finger Checks
March 02, 2020 08:49:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CCL, COF, DVAX, EDAP, EXK, GBT, GNC, GOGO, HRB, INDL, IR, ITCI, JD,
JNUG, LAZ, LKSD, NG, NUGT, NVAX, SPHS, SUN, TWOU, TWTR, TXT

Removal of Pre-Open Fat Finger Checks
February 28, 2020 08:48:21

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



AGQ,ATHX,AXTI,BCRX,BIG,BLDP,BUD,DRIP,DUST,EDC,EDZ,FLEX,GASX,GKOS,GPOR,GREK,HA,INDL,JCP,JDST,JNUG,KMB,KOLD,NEM,NKTR,NUGT,NVAX,OILD,PAAS,RUN,RUSL,RUSS,SCO,SEDG,SGMO,TECL,THC,TRGP,TTD,TTPH,UVXY,VIXM,VMW,VXX,W,WPM,YUM

Removal of Pre-Open Fat Finger Checks
February 27, 2020 08:42:08

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAL, AAN, AGIO, BCRX, BLDP, BRZU, BUD, CCI, CGNX, CHK, CLR, CROX,
CVNA, DRIP, DUG, ERY, ES, ESPR, ETSY, FRGI, GASL, GASX, GPOR, GUSH, INO, IRDM, JKS,
JNUG, KOLD, LB, LGND, MLHR, NTNX, NVAX, PDCO, PTLA, PWR, QEP, RUSL, SDRL, SEDG,
SHOO, SP, SQ, SQQQ, TDOC, TECL, TK, TNK, TQQQ, TSLA, VIXM, ZGNX

Removal of Pre-Open Fat Finger Checks
February 26, 2020 08:53:37

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALRM, DY, FOSL, FOX, GASX, GMED, GSAT, GWPH, LAMR, LXRX, LXU, MIDD,
MVIS, OCN, PLNT, RGLD, SBGI, SEAS, SINA, SUPN, TJX, TOL, UTHR, UUUU, WATT, WB, YANG

Removal of Pre-Open Fat Finger Checks
February 25, 2020 08:52:26

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AU, CSOD, ENDP, EXAS, GMLP, IRDM, JMEI, KTOS, LL, MNK, MVIS, NBIX, OCUL, PANW, PRGO, SHAK, SNP, TREE, TUP, USCR, ZYNE

Removal of Pre-Open Fat Finger Checks
February 24, 2020 08:57:54

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

Removal of Pre-Open Fat Finger Checks
February 21, 2020 08:52:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAXN, AERI, AU, BLDR, CNK, CRC, DE, EHTH, FSLR, GSM, HIIQ, JNUG,
NCMI, NUGT, PBYI, RLGY, TREE, TXRH, ZIXI, TRUE

Removal of Pre-Open Fat Finger Checks
February 20, 2020 08:49:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAN, ABUS, ANTH, AVEO, BLDP, CAR, CSTM, CYH, DPZ, ENVA, ETFC, GDOT,
HOV, HRTX, IDCC, LB, LOPE, MD, NE, NRG, NVTA, OSUR, SAM, SEDG, SIX, STMP, TRN, TVTY,
UCTT, VC, WIX, XEC, Z, ZG

Removal of Pre-Open Fat Finger Checks
February 19, 2020 08:47:00

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADI, ALLY, AMED, ATHM, BXMT, ENPH, FDP, GRMN, GRPN, HLF, JNUG, KNL,
LAUR, LNG, LZB, QUAD, SBGL, SBRA, SGMS, SPCE, STNG, TAN, TIVO, TSLA, WING

Removal of Pre-Open Fat Finger Checks
February 18, 2020 08:48:31

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAP, ASGN, AXTI, BEN, BLMN, CAG, FLR, KOLD, KR, LM, RESI, TSEM, WLK

Removal of Pre-Open Fat Finger Checks
February 14, 2020 08:44:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:ACIW, AEM, ANET, DXCM, EXPE, GDDY, IMGN, INO, NVDA

Removal of Pre-Open Fat Finger Checks
February 13, 2020 08:51:27

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CSCO, ESRP, IFF, IIVI, INO, IRDM, JKS, NTAP, NUS, NVRO, ONVO, PIR, R, SPWR, TRVN, XBIT, ZBRA

Removal of Pre-Open Fat Finger Checks
February 12, 2020 09:02:06

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:BBBY, NE, SALT, SPHS, WU

Removal of Pre-Open Fat Finger Checks
February 11, 2020 08:50:35

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADXS, AMKR, AN, DISH, DRIP, ELY, HAS, ONDK, S, SAM, TMUS, UA, UAA, UNT

Removal of Pre-Open Fat Finger Checks
February 10, 2020 08:44:29

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABUS, BBY, BHVN, CRMT, CRNT, EPC, FIVN, FTNT, GNRC, GPC, HIBB, IIPR, KOD, KOLD, LB, LLY, MAC, MUR, QSR, RENN, RUSL, SEED, SMAR, SMPL, TCO, TSLA

Removal of Pre-Open Fat Finger Checks
February 07, 2020 08:53:13

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:APRN, COLM, EBAY, ESPR, ETH, FLT, GOOS, GWPH, HCA, IDCC, MRVL, MTW, MYGN, NOV, OCN, SKX, SPHS, SYNA, TTWO, TWOU, XBIT, ZGNX

Removal of Pre-Open Fat Finger Checks
February 07, 2020 08:53:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:APRN, COLM, EBAY, ESPR, ETH, FLT, GOOS, GWPH, HCA, IDCC, MRVL, MTW, MYGN, NOV, OCN, SKX, SPHS, SYNA, TTWO, TWOU, XBIT, ZGNX

Removal of Pre-Open Fat Finger Checks
February 07, 2020 08:53:11

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:APRN, COLM, EBAY, ESPR, ETH, FLT, GOOS, GWPH, HCA, IDCC, MRVL, MTW, MYGN, NOV, OCN, SKX, SPHS, SYNA, TTWO, TWOU, XBIT, ZGNX

Removal of Pre-Open Fat Finger Checks
February 06, 2020 08:51:56

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABMD, AGCO, ALNY, ARWR, AXTA, BDX, CAH, EL, ENR, GLOP, GPRO, HAIN,
IONS, IRBT, K, KNDI, MGI, MT, NUVA, PAYC, PTCT, SBH, TAN, TWTR, UIS, XYL

Removal of Pre-Open Fat Finger Checks
February 05, 2020 08:56:24

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABUS, AVDL, BOOT, BRZU, CORR, COTY, CLST, CTIC, DRIP, EDC, EDZ, FOX, GASX, GIII, ICAD, JAZZ, KN, MTCH, NEPT, NEWR, NS, PLT, QGEN, RCII, TECL, USNA, VVUS, ZIOP

Removal of Pre-Open Fat Finger Checks
February 04, 2020 08:51:27

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BRZU, CURE, DRIP, DXC, EDC, EDZ, ERY, GASX, GLNG, INDL, LEG, LITE,
OCUL, RL, RMTI, SPHS, TECL, TSLA, YANG

Removal of Pre-Open Fat Finger Checks
February 03, 2020 08:53:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AXTI, BNS, CTIC, RYAAY, SPHS

Removal of Pre-Open Fat Finger Checks
February 03, 2020 08:34:28

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AIMT, AMG, ARWR, CNXT, CREE, EZPW, GILD, INSM, SUM

Removal of Pre-Open Fat Finger Checks
January 31, 2020 08:40:20

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADNT, AMZN, BRZU, CL, DIG, FLEX, L, MSB, NAV, SIMO, WDC, WWE, YANG

Removal of Pre-Open Fat Finger Checks
January 30, 2020 08:44:01

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ALGN, CCL, CMPR, EDC, EDZ, FB, FND, ILMN, INDL, INO, LBTYA, LRCX,
MAC, MUR, NOW, OUT, QRVO, SPR, SSI, TSCO, TSLA, WETF, YANG

Removal of Pre-Open Fat Finger Checks
January 29, 2020 08:51:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CHRW, CNAT, CTSO, EDIT, ESPR, LB, LEE, NSC, SAGE, SC, SLAB, XLNX

Removal of Pre-Open Fat Finger Checks
January 28, 2020 08:47:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AZUL, BPOP, BRZU, BWA, CTSO, DLPH, GASX, HOG, MKC

Removal of Pre-Open Fat Finger Checks
January 27, 2020 08:41:34

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAWW, ACHN, ASHR, ATSG, BABA, BIDU, BIG, BLCM, BRZU, BZUN, CHAU,
DRIP, EDC, EDU, EDZ, ERY, FOR, FXI, GASX, GUSH, HTHT, INO, JD, JKS, KOLD, LVS, LXRX,
MLCO, MOMO, NVAX, OILD, PENN, RUSL, SINA, SMG, STNG, STT, TAL, TECL, TQQQ, UBIO,
UVXY, WB, WYNN, YANG, YINN, YUMC

Removal of Pre-Open Fat Finger Checks
January 24, 2020 08:40:21

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CBB, DFS, EHTH, HIIQ, INAP, INO, NMIH, TEAM

Removal of Pre-Open Fat Finger Checks
January 23, 2020 08:50:22

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AAT, AGTC, CERS, EPZM, HZO, MLCO, PAYC, PTC, SLM, STM, TER, TTPH,
VFC

Removal of Pre-Open Fat Finger Checks
January 22, 2020 08:31:07

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: EQR, FCEL, LXU, MDR, NVAX, TSLA, USFD, YANG, YINN

Removal of Pre-Open Fat Finger Checks
January 21, 2020 09:07:02

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADXS, ANY, APT, ARAY, ARWR, AUMN, BCOR, BCRX, BLCM, CAMT, CEO, CERS, CHAU, CYTR, DOV, DRIP, EDC, EDU, EDZ, FXI, FXP, GLPG, HTHT, HXL, INDL, INFI, INO, KOLD, LVS, LXU, MCHI, MDR, MLCO, MSM, NVAX, OKTA, SPHS, TAL, TCOM, TNXP, TWI, WYNN, XPP, YANG, TINN, YUMC, ZNH

Removal of Pre-Open Fat Finger Checks
January 17, 2020 08:56:57

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:ANTH, ELP, EXPD, FDP, ITB, JBHT, JUNG, MGPI, MTN, MYGN, PLAY, PMTS, PRGS, RVLT, STT, TLDR

Removal of Pre-Open Fat Finger Checks
January 16, 2020 08:51:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: BK, CAAS, DQ, FWONK, IRBT, MGI, MS, PPG, RVLT, SAVE, SEED, SIG, SPHS, SYNA, TSLA, XPO, YNDX

Removal of Pre-Open Fat Finger Checks
January 15, 2020 08:25:03

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CLVS, FLEX, MCRI, MNTA, NKTR, RMTI, TGT

Removal of Pre-Open Fat Finger Checks
January 14, 2020 08:30:52

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ACIW, BGFV, BSX, GME, JILL, LJPC, RTIX, SMCI, TRXC, XBIT

Removal of Pre-Open Fat Finger Checks
January 13, 2020 08:51:04

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ABMD, CYTR, EXAS,
FIVE, GSM, HRTX, HXL, HZNP, INGN, JILL, KBE, LCI, NKTR, PK, PRMW, SSI, TERP, VNO,
WES

Removal of Pre-Open Fat Finger Checks
January 10, 2020 08:45:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: APOG, BLCM, GRUB,
INWK, PTLA, RARE, RYAAY, SIX, SNX, SPWH, URBN

Removal of Pre-Open Fat Finger Checks
January 09, 2020 08:39:36

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AES, AGTC, AZZ, BBBY,
CHS, GMED, HELE, INFI, KSS, MTRN, OCUL, RENN, SPHS

Removal of Pre-Open Fat Finger Checks
January 08, 2020 08:42:54

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

Removal of Pre-Open Fat Finger Checks
January 07, 2020 08:42:42

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ADXS, ANTH, APA, GKOS, NYMX, PIR, UNT, VVUS, ZN

Removal of Pre-Open Fat Finger Checks
January 06, 2020 08:56:39

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: AVAV, CROX, FCEL, GVA, KTOS, PLX, TGB

Removal of Pre-Open Fat Finger Checks
January 06, 2020 08:39:50

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: CALM, CMC, JNUG, NUGT

Removal of Pre-Open Fat Finger Checks
January 03, 2020 09:13:57

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only:AAU, ACOR, AFMD, AGTC, ATHM, AXAS, BNO, BRZY, BURL, CLR, CURE, CXO, DRIP, EDC, EURL, FAS, FXP, GASX, GUSH, INCY, IPGP, JNUG, KAR, LNDC, LW, MCEP, MIDU, MTZ, NTRA, OILD, OILU, PKD, RENN, RETL, RUSL, SGMS, SGRY, SOLX, SPXL, SVXY, TAT, TECL, TNA, TQQQ, TRIB, UCO, UNT, UPRO, UVXY, VIIX, VIXM, WLL, XPP, YANG, YINN, ZEN, ZN

Removal of Pre-Open Fat Finger Checks
January 02, 2020 08:48:25

Pre-Open Fat Finger checks have been turned off for the following classes on Cboe Options only: ANTH, CG, CRIS, FCEL, PLX, RAD, SINA, TRN, WATT