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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.
North American Equities Insights
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Summary of market volume and market share by venue for the Cboe U.S. equities exchanges.
Book Viewer
| Orders Accepted | Total Volume | Expand All | Select MIC to filter: | |
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| Top of Book | Last 10 Trades | ||||||
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| Shares | Price | Time | Price | Shares | |||
| Asks | |||||||
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Most Active
The current, most actively traded securities on the Cboe Exchanges.
Latest News
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September 8, 2025
Reminder - Member Testing Obligations – 2025 Market-Wide Circuit Breaker Testing In coordination with other market centers and 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. -
September 5, 2025
Cboe Traders Weekly for Friday, September 5, 2025 -
September 2, 2025
Cboe Equities Supports SEC Transparency of Fee Requirements Effective November 3, 2025, all Cboe-affiliated U.S. Equities Exchanges will adopt updated billing methodologies in alignment with the final rule announced by the Securities and Exchange Commission (SEC). -
August 29, 2025
Cboe BYX and EDGX Equities to Relocate Secondary Data Center to CH3 Effective September 13, 2025, Cboe BYX Equities (BYX) and Cboe EDGX (EDGX) Equities Exchanges secondary data center equipment will be relocated to the Equinix (CH3) data center in Elk Grove, Illinois. -
August 29, 2025
Cboe Traders Weekly for Friday, August 29, 2025 -
August 29, 2025
Cboe Equities Weekend and Certification Testing Support for Round Lot Requirement Changes As previously announced, the Securities and Exchange Commission (SEC) will introduce new Round Lot Tier designations beginning November 3, 2025. To support these changes, all Cboe-affiliated U.S. Equities Exchanges will offer weekend testing opportunities beginning September 20, 2025. The complete test schedule is provided below. -
August 25, 2025
Reminder: 2025 SIFMA/FIA and Reg SCI BCP/DR Test In coordination with other market centers, as part of the annual SIFMA/FIA industry test and in support of Regulation Systems Compliance and Integrity (SCI) and Cboe Futures Exchange, LLC (CFE) requirements, Cboe is scheduled to host its annual business continuity plan/disaster recovery (BCP/DR) test on Saturday, October 25, 2025. -
August 25, 2025
Update - Cboe Introduces New Timestamping Report Effective today, August 25, 2025, all Cboe-affiliated U.S. Equities and Options Exchanges will introduce a new All Cancels Timestamping Report, subject to regulatory review. -
August 22, 2025
Cboe Traders Weekly for Friday, August 22, 2025 -
August 15, 2025
Cboe Traders Weekly for Friday, August 15, 2025