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.

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Latest News

April 20, 2021
Changes to Available Expirations for VIX Options Effective April 22, 2021, Cboe Options will begin offering the November 17, 2021 and December 22, 2021 VIX expirations. Please click the title for more details.
April 19, 2021
Cboe Options Change to AIM NBBO Check Effective May 12, 2021, Cboe Options Exchange (“C1”) will allow AIM auction orders submitted with a quantity of less than 50 contracts to be priced at or inside the NBBO when the NBBO is more than one tick wide. Please click the title for complete details.
April 19, 2021
Cboe Compression Service Announces Multilateral Compression Functionality Cboe Options Exchange (the “Exchange”) is pleased to announce Cboe Compression Service (“CCS”) Multilateral Compression functionality will be available in the C1 certification environment May 13, 2021. Please click the title for complete details.
April 16, 2021
Cboe Trader E-News for Friday, April 16, 2021
April 15, 2021
Quarterly Rebalance of Option Class Tiers Reminder – 1st Quarter 2021 Pursuant to Cboe Options (“Cboe Options” or the “Exchange”) Rule 5.50(g)(1), the Exchange rebalances the option class appointment unit tiers, excluding the “AA” tier, every calendar quarter based on national average daily volume (ADV). Please click the title for complete details.
April 9, 2021
Cboe Trader E-News for Friday, April 9, 2021
April 1, 2021
Penny Program – Additional Classes to be Added on April 5, 2021 Effective Monday, April 5, 2021, the Cboe Options Exchanges (BZX Options, Cboe Options, C2 Options, and EDGX Options) will add 3 issues to the Penny Program. Please click the title for more details.
March 31, 2021
Reminder - Penny Interval Program Class Removals Effective April 1, 2021, 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, based on National Cleared Volume from June 1 through November 30 of the prior year, will be removed from the Penny Program on the first trading day of April. Please click the title for more details.
March 30, 2021
Final Reminder - Cboe Compression Forum Manager Migration to Cboe Compression Service Effective April 5, 2021, the Cboe Compression Forum Manager (“CFM”) will migrate to a new technology platform – the Cboe Compression Service (“CCS”). The initial release will provide the same match file service functionality as the CFM. Please click the title for complete details.
March 26, 2021
Cboe Trader E-News for Friday, March 26, 2021