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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Cboe Market Volume

Summary of market volume and market share on the Cboe U.S. options exchanges.

Most Active

Cboe Options Exchange Overview

Value of a Physical Trading Floor

Latest News

April 11, 2025
Cboe Trader E-News for Friday, April 11, 2025
April 11, 2025
Cboe Options Exchanges Limit IOC Quotes per Quote Update Message Effective April 25, 2025, on EDGX Options (EDGX) Exchange and effective April 28, 2025, on BZX Options (BZX), Cboe Options (C1), and Cboe C2 Options (C2) Exchanges, Cboe will limit the number of IOC quotes per Quote Update message to one.
April 11, 2025
Update - Cboe Options to List S&P 500 Equal Weight Index Options Cboe is pleased to announce that effective trade date April 14, 2025, Cboe Options Exchange (C1) will begin listing cash-settled options on the S&P 500 Equal Weight Index.
April 11, 2025
Update - Cboe Options to List S&P 500 Equal Weight Index Options Cboe is pleased to announce that effective trade date April 14, 2025, Cboe Options Exchange (C1) will begin listing cash-settled options on the S&P 500 Equal Weight Index.
April 4, 2025
Cboe Trader E-News for Friday, April 4, 2025
April 4, 2025
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.
April 1, 2025
Cboe Options Exchange SPEQX RTH LMM Solicitation Cboe Options (the “Exchange”) will be accepting applications from interested Trading Permit Holders (TPHs) for the Lead Market-Maker (LMM) role in the Regular Trading Hours (RTH) session for Cboe S&P 500 Equal Weight Index Options (Symbol: SPEQX) for the purposes of the SPEQX RTH LMM Incentive Program (“Program”), subject to regulatory review.
April 1, 2025
Cboe Options Exchange SPEQX RTH LMM Solicitation Cboe Options (the “Exchange”) will be accepting applications from interested Trading Permit Holders (TPHs) for the Lead Market-Maker (LMM) role in the Regular Trading Hours (RTH) session for Cboe S&P 500 Equal Weight Index Options (Symbol: SPEQX) for the purposes of the SPEQX RTH LMM Incentive Program (“Program”), subject to regulatory review.
March 28, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on 23andMe Holding Co. (Option Symbol ME/ME1) Effective March 28, 2025, 23andMe Holding Co., ME will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol MEHCQ. Therefore, trading on Cboe Options (C1) Exchange in MEHCQ and adjusted MEHQ1 options commencing on March 31, 2025, will be subject to certain restrictions described below. Please click title for complete details.
March 28, 2025
Reminder– Penny Interval Program Class Removals Effective trade date April 1, 2025, as previously announced in the Penny Interval Program Annual Review and Rebalancing notice, any option class in the Penny Program that falls outside the 425 most actively traded multiply listed option classes, will be removed from the Penny Program on the first trading day of April. The 425 most actively traded multiply listed option classes are based on National Cleared Volume from June 1 through November 30 of the prior year. Please click title for complete details.