Reasonability Notices

Removal of Pre-Open Fat Finger Checks

May 29, 2020 08:40:27

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

Removal of Pre-Open Fat Finger Checks

May 28, 2020 08:36:05

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

Removal of Pre-Open Fat Finger Checks

May 27, 2020 08:50:25

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

Removal of Pre-Open Fat Finger Checks

May 26, 2020 08:47:28

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

Removal of Pre-Open Fat Finger Checks

May 22, 2020 08:31:17

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

Removal of Pre-Open Fat Finger Checks

May 21, 2020 08:31:20

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

Removal of Pre-Open Fat Finger Checks

May 20, 2020 08:44:20

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

Removal of Pre-Open Fat Finger Checks

May 19, 2020 08:35:33

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

Removal of Pre-Open Fat Finger Checks

May 18, 2020 08:57:02

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

May 15, 2020 08:45:12

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

Removal of Pre-Open Fat Finger Checks

May 14, 2020 08:40:32

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

Removal of Pre-Open Fat Finger Checks

May 13, 2020 08:38:07

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

Removal of Pre-Open Fat Finger Checks

May 12, 2020 08:34:07

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

Removal of Pre-Open Fat Finger Checks

May 11, 2020 08:43:27

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

Removal of Pre-Open Fat Finger Checks

May 08, 2020 08:42:45

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

Removal of Pre-Open Fat Finger Checks

May 07, 2020 08:42:31

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

Removal of Pre-Open Fat Finger Checks

May 06, 2020 08:53:39

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

Removal of Pre-Open Fat Finger Checks

May 05, 2020 08:39:57

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

Removal of Pre-Open Fat Finger Checks

May 04, 2020 09:18:17

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

Removal of Pre-Open Fat Finger Checks

May 01, 2020 08:42:44

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