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 |
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| Price-Time, Maker-Taker Model |
| All-electronic exchange |
| Cboe EDGX Options Exchange |
|---|
| Classic Pro-Rata/Customer Priority/DMM Model |
| All-electronic exchange |
Cboe Options Exchange Overview
Value of a Physical Trading Floor
Latest News
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January 31, 2025
Cboe Trader E-News for Friday, January 31, 2025 -
January 31, 2025
Modifications to the Strike Selection in Volatility Index Calculations Cboe Global Indices, LLC (“CGI”) is announcing a change to the strike selection criteria in Volatility Index Calculations. Please click title for complete details. -
January 31, 2025
Bi-Annual Review of Cash-Settled FLEX ETF Options Effective February 3, 2024, as part of the bi-annual review provision regarding the listing of cash-settled FLEX Exchange-Traded Fund (ETF) options, any underlying ETF that has an average daily volume of $500 million or more and a national average daily volume of at least 4,680,000 shares measured from January 1 through June 28, 2024, will be available for FLEX cash-settlement. Cash-settlement as a flexible contract term will be permitted for no more than 50 underlying ETFs. Any underlying ETF that no longer meets these criteria will no longer be available for FLEX cash-settlement. Please click title for complete details. -
January 30, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Hyzon Motors, Inc. (Option Symbol HYZN/HYZN1) Effective January 30, 2025, Hyzon Motors, Inc., HYZN will be delisted from the NASDAQ. Therefore, trading on Cboe Options (C1) Exchange in HYZN and adjusted HYZN1 options commencing on January 31, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
January 29, 2025
New OCC Clearing Numbers 836 and 899 Please be advised that Clear Street LLC, OCC Clearing #836 and #899 have recently become valid Clearing Numbers for trade executions on Cboe Options Exchange (C1). -
January 29, 2025
New OCC Clearing Numbers 836 and 899 Please be advised that Clear Street LLC, OCC Clearing #836 and #899 have recently become valid Clearing Numbers for trade executions on Cboe Options Exchange (C1). -
January 27, 2025
Cboe Holiday Reminder - Modified Trading Hours on Monday, February 17, 2025 The tables below outline 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 Presidents' Day. -
January 27, 2025
Cboe Options to Offer AIM Auto-Match Starting Price Adjust Opt-Out Effective February 10, 2025, Cboe EDGX Options (EDGX) and Cboe Options (C1) Exchanges will update simple and complex AIM Auto-Match Price order handling, allowing customers to opt-out of the AIM Auto-Match starting price adjust functionality, previously announced here. As part of this update, two new values will be added to AutoMatch (FIX Tag 9040), as outlined below. -
January 27, 2025
Update - Cboe Options Introduces New Cboe Timestamping Service Effective immediately, all Cboe-affiliated U.S. Options Exchanges are introducing the new Cboe Timestamping Service to provide market participants with additional quote, order and cancel related timestamp information, subject to regulatory review. -
January 24, 2025
Cboe Trader E-News for Friday, January 24, 2025