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

January 19, 2022
Update - Cboe Options Trading Floor Migration Details As previously announced, Cboe Global Markets is excited for the opening of its new Trading Floor located at 141 West Jackson. The new Trading Floor is expected to open in early-to-mid Q2, 2022 with testing ongoing. This notice is being issued to provide information regarding the new Trading Floor migration. Please click the title for complete details.
January 14, 2022
Cboe Trader E-News for Friday, January 14, 2022
January 14, 2022
Reminder – Test Symbols Available in C1 Production Environment During Curb Session As previously announced, effective February 7, 2022, Cboe Options Exchange ("C1") will introduce a brief Curb session for proprietary VIX and SPX options products from 4:15 p.m. to 5:00 p.m. ET Monday through Friday. Please click the title for complete details.
January 13, 2022
Cboe Options Hosts Town Hall on TPH Technology/Connectivity for New Trading Floor On Tuesday, January 18, 2022, Cboe Exchange, Inc. (“Cboe Options”) will host a remote town hall meeting via Microsoft Teams to discuss details, requirements, and procedures related to Trading Permit Holder (TPH) technology and connectivity, as well as general operations on the new Cboe trading floor. Please click the title for complete details.
January 13, 2022
Cboe Global Markets Introduces New MatchingUnit Field on Purge Requests Effective February 11, 2022, EDGX Options Exchange (“EDGX”) and EDGA Equities Exchange (“EDGA”) and effective February 14, 2022, Cboe Options Exchange (“C1”), C2 Options Exchange (“C2”), BZX Options Exchange (“BZX”), BYX Equities Exchange (“BYX”), BZX Equities Exchange (“BZX”), and EDGX Equities Exchange (“EDGX”) will enable firms to specify a matching unit for purge requests on FIX and BOE order entry protocols. Please click the title for complete details.
January 13, 2022
Quarterly Rebalance of Option Class Tiers Reminder – 4th 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), which may result in additions or deletions to each tier’s composition. When a class changes tiers, it is assigned the appointment weight of the new tier. Please click the title for complete details.
January 11, 2022
Update - Cboe Options Trading Floor Migration Details As previously announced, Cboe Global Markets is excited for the opening of its new Trading Floor located at 141 West Jackson. The new Trading Floor is expected to open in early-to-mid Q2, 2022 with testing ongoing. This notice is being issued to provide information regarding the new Trading Floor migration. Please click the title for complete details.
January 10, 2022
Update – Cboe Options to Automate Market Maker Compliance with SPX Minimum Size Requirements Effective January 18, 2022, Cboe Options Exchange (“C1”) will begin rejecting Market Maker cancel/replace messages in SPX options (symbol SPX only) that aim to update a resting Market Maker order if the new display size would be less than the minimum regulatory size requirement. Please click the title for complete details.
January 7, 2022
Cboe Trader E-News for Friday, January 7, 2022
January 7, 2022
Cboe Holiday Reminder – Modified Trading Hours on Monday January 17, 2022 The table below outlines the modified trading schedules for the Cboe Options Exchanges (Cboe Options ("C1"), C2, BZX, and EDGX Options), and the Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) in observance of the Martin Luther King, Jr. holiday. Please click the title for complete details.