Cboe Options Exchanges
Cboe provides choice for our diverse trading customers by operating four U.S.-listed cash equity options markets, including the largest options exchange in the U.S. - Cboe Options Exchange.
Cboe Options Exchange
- Hybrid, Classic Model
- Open outcry and electronic exchange
Cboe C2 Options Exchange
- Pro-Rata, Maker-Taker Model
- All-electronic exchange
Cboe BZX Options Exchange
- Price-Time, Maker-Taker Model
- All-electronic exchange
Cboe EDGX Options Exchange
- Classic Pro-Rata/Customer Priority/DMM Model
- All-electronic exchange
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Summary of market volume and market share on the Cboe U.S. options exchanges.
Most Active
Latest News
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PULSe Trader Workstation Enhancement Release 5.9.0
Applicable Cboe Exchange: Cboe Options
Effective Monday, July 13, 2020, Cboe Options Exchange (“C1”) will release a new software version for the PULSe Trader Workstation. PULSe users will be notified in advance of the rollout to their specific Cboe trading floor terminals. Please click the title for complete details.
July 10, 2020
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Reminder – Designated DPM or LMM EFIDs Required to Receive Allocation Entitlement
Applicable Cboe Exchanges: Cboe Options, EDGX Options
Currently on the Cboe Options and EDGX Options, Designated Primary Market-Makers are required to register all DPM classes under an electronic Market-Maker ID (“MMID”) in the Customer Web Portal. Similarly, on C1 Options, Lead Market-Makers are required to register all LMM classes under an electronic MMID in the Customer Web Portal. Please click the title for complete details.
July 8, 2020
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Update – Cboe Options Adds Cancel/Reject Subreason Field and Risk Reset Enhancement
Effective August 3, 2020, for EDGX Options (“EDGX”) and August 4, 2020, for BZX Options (“BZX”), Cboe Options (“C1”), and C2 Options (“C2”) Exchanges reject and cancel messages following a mass cancel event will distinguish between whether the mass cancel was initiated by the Exchange or by the user. Please click the title for complete details.
July 7, 2020
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Cboe Options Adds Penserra as Stock Leg Crossing Destination for QCC Orders
Effective August 10, 2020, Cboe Options (“C1”) and EDGX Options (“EDGX”) will offer Penserra via NYSE Chicago as an additional stock leg crossing destination for Qualified Contingent Cross (“QCC”) orders. Cboe Silexx will also support routing to Penserra upon the effective date. Please click the title for complete details.
July 7, 2020
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Restrictions on Transactions in VelocityShares VIX Short-Term ETN (VIIX) on Cboe Options Exchange
Effective July 02, 2020, the above class will be subject to restrictions. Please click the title for more details.
July 2, 2020
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Restrictions on Transactions in GNC Holdings, Inc. (GNCIQ) on Cboe Options Exchange
Effective July 02, 2020, the above class will be subject to restrictions. Please click the title for more details.
July 2, 2020
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Restrictions on Transactions in Lilis Energy, Inc. (LLEXQ) on C2 Options Exchange
Effective June 30, 2020, the above class will be subject to restrictions. Please click the title for more details.
July 1, 2020
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Restrictions on Transactions in Lilis Energy, Inc. (LLEX) on Cboe Options Exchange
Effective June 29, 2020, the above class will be subject to restrictions. Please click the title for more details.
June 29, 2020
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Restrictions on Transactions in Chesapeake Energy, Corp. (CHK) on Cboe Options Exchange
Effective June 29, 2020, the above class will be subject to restrictions. Please click the title for more details.
June 29, 2020
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Update - Cboe Options Active Order Threshold on PAR Deactivated
Effective today, June 29, 2020, Cboe Options implemented a new maximum active order threshold safeguard on PAR terminals used by floor brokers, with the maximum active order threshold set to 999. This feature has been deactivated and a new effective date will be communicated in a future notice. Please click the title for complete details.
June 29, 2020