Cboe U.S. Equities
Cboe is currently one of the largest U.S. equities market operators on any given day. We operate four U.S. equities exchanges – the BZX Exchange, BYX Exchange, EDGA Exchange, and EDGX Exchange. Cboe Global Markets (formerly CBOE Holdings, Inc.) acquired Bats Global Markets, the prior operator of these exchanges, in February 2017. To learn more about that transaction, click here.
Summary of market volume and market share by venue for the Cboe U.S. equities exchanges.
Book Viewer
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Last updated
Most Active
The current, most actively traded securities on the Cboe Exchanges.
Latest News
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May 25, 2022
Cboe to Observe Moment of Silence on Wednesday, May 25, 2022 Cboe will join other market participants in observing a one minute moment of silence at 9:20 a.m. ET this morning in remembrance of the lives lost in the devastating events at Robb Elementary School in Uvalde, Texas. Please click the title for complete details. -
May 20, 2022
Cboe Trader E-News for Friday, May 20, 2022 -
May 20, 2022
Update – New Member Testing Obligations – 2022 Market-Wide Circuit Breaker Testing In coordination with other market centers, the Securities Information Processors (“SIPs”), and in support of SEC requirements, Cboe is scheduled to host Market-Wide Circuit Breaker (“MWCB”) testing on the following dates. Please click the title for complete details. -
May 16, 2022
Cboe Holiday Reminder - Closed on Monday, May 30, 2022 The table below outlines the modified trading schedules for the Cboe Options Exchanges (Cboe Options or "C1", C2, BZX, and EDGX Options) and the Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) in observance of the Memorial Day holiday. Please click the title for complete details. -
May 16, 2022
Correction – New Member Testing Obligations – 2022 Market-Wide Circuit Breaker Testing In coordination with other market centers, the Securities Information Processors (“SIPs”), and in support of SEC requirements, Cboe is scheduled to host Market-Wide Circuit Breaker (“MWCB”) testing on the following dates. Please click the title for complete details. -
May 16, 2022
New Member Testing Obligations – 2022 Market-Wide Circuit Breaker Testing In coordination with other market centers, the Securities Information Processors (“SIPs”), and in support of SEC requirements, Cboe is scheduled to host Market-Wide Circuit Breaker (“MWCB”) testing on the following dates. Please click the title for complete details. -
May 13, 2022
Cboe Trader E-News for Friday, May 13, 2022 -
May 11, 2022
Schedule Update – Cboe Migrating File Transfer Services Effective June 3, 2022, Cboe Global Markets (“Cboe”) will migrate file transfer services to new supporting services. Existing Cboe file transfer services will be fully decommissioned June 3, 2022, after which any attempts to use these services will fail. Please click the title for complete details. -
May 9, 2022
Cboe Equities Introduces New TradeLiquidityIndicator and SubLiquidityIndicator Value Effective June 1, 2022, a new TradeLiquidityIndicator (FIX Tag 9730) and SubLiquidityIndicator value will be added to indicate an order set the NBBO but did not meet a minimum quantity and/or a minimum notional value in addition to setting a new NBBO. This new value may be implemented as part of future fee incentive programs. Please click the title for complete details. -
May 4, 2022
Cboe to Enable Scheduling of Logical Port Deletion Requests Effective May 20, 2022, the Cboe Customer Web Portal will allow users to schedule logical port deletions for all Cboe-affiliated U.S. Equities and Options Exchanges, as well as for CFE and Cboe-affiliated Canadian equities marketplace, MATCHNow. Please click the title for complete details.