Reasonability Notices

Cboe is closed today for Martin Luther King, Jr. Day.

Last Updated 11:22:22 GMT

Pre Open Reasonability Edit

January 18, 2019 09:08:39

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

Pre Open Reasonability Edit

January 18, 2019 08:40:13

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

Pre Open Reasonability Edit

January 17, 2019 09:08:53

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

Pre Open Reasonability Edit

January 17, 2019 08:37:21

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

Pre Open Reasonability Edit

January 16, 2019 09:08:02

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

Pre Open Reasonability Edit

January 16, 2019 08:35:52

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

Pre Open Reasonability Edit

January 16, 2019 08:25:45

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

Pre Open Reasonability Edit

January 16, 2019 08:03:09

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

Pre Open Reasonability Edit

January 15, 2019 09:26:25

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

Pre Open Reasonability Edit

January 15, 2019 09:15:48

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

Pre Open Reasonability Edit

January 14, 2019 09:21:34

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

Pre Open Reasonability Edit

January 14, 2019 08:41:22

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

Pre Open Reasonability Edit

January 11, 2019 09:11:00

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

Pre Open Reasonability Edit

January 11, 2019 08:33:28

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

Pre Open Reasonability Edit

January 10, 2019 09:22:54

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

Pre Open Reasonability Edit

January 10, 2019 08:42:42

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

Pre Open Reasonability Edit

January 10, 2019 08:37:32

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

Pre Open Reasonability Edit

January 09, 2019 09:23:33

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

Pre Open Reasonability Edit

January 09, 2019 09:14:59

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

Pre Open Reasonability Edit

January 09, 2019 08:44:34

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

Pre Open Reasonability Edit

January 09, 2019 08:14:25

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

Pre Open Reasonability Edit

January 08, 2019 09:15:58

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

Pre Open Reasonability Edit

January 08, 2019 08:38:16

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

Pre Open Reasonability Edit

January 07, 2019 09:21:14

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

Pre Open Reasonability Edit

January 07, 2019 08:38:18

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

Pre Open Reasonability Edit

January 04, 2019 09:16:08

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

Pre Open Reasonability Edit

January 04, 2019 08:42:24

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

Pre Open Reasonability Edit

January 03, 2019 09:24:58

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

Pre Open Reasonability Edit

January 03, 2019 09:08:15

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

Pre Open Reasonability Edit

January 03, 2019 08:38:24

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

Pre Open Reasonability Edit

January 02, 2019 09:19:41

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

Pre Open Reasonability Edit

January 02, 2019 09:05:42

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

Pre Open Reasonability Edit

January 02, 2019 09:00:13

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

Pre Open Reasonability Edit

January 02, 2019 08:39:38

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