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 |
Cboe Options Exchange Overview
Value of a Physical Trading Floor
Latest News
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February 28, 2025
Cboe Trader E-News for Friday, February 28, 2025 -
February 28, 2025
Penny Program – Additional Class to be Added All Cboe-affiliated US Options Exchanges (BZX Options, Cboe Options, C2 Options, and EDGX Options) will add the following new issue to the Penny Program on the effective date listed below. Please click title for complete details. -
February 27, 2025
Cboe Options Updates SPX/SPXW Auction Response Time Interval to 500ms Effective February 28, 2025, Cboe Options Exchange (C1) will update the SPX/SPXW response time interval for Complex Order Auctions (COA) and Simple and Complex Automated Improvement Mechanism Auctions (AIM/C-AIM) from 250ms to 500ms. Cboe may adjust this interval at any time with notice to customers. -
February 26, 2025
Cboe Silexx Upcoming Change to Cboe Bitcoin ETF Index Data Feed Please click the title for an important update. -
February 25, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Nikola Corporation (Option Symbol NKLA/NKLA1) Effective February 25, 2025, Nikola Corporation, NKLA will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol NKLAQ. Therefore, trading on Cboe Options (C1) Exchange in NKLAQ and adjusted NKLA1 options commencing on February 26, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
February 24, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Omega Therapeutics, Inc. (Option Symbol OMGA/OMGAQ) Effective February 24, 2025, Omega Therapeutics, Inc., OMGA will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol OMGAQ. Therefore, trading on Cboe Options (C1) Exchange in OMGAQ options commencing on February 25, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
February 21, 2025
Cboe Trader E-News for Friday, February 21, 2025 -
February 18, 2025
Reminder - Cboe Options Updates Unit Symbol Distribution Effective trade date March 31, 2025, all Cboe-affiliated U.S. Options Exchanges will rebalance the symbol ranges for Matching Units 1-30. Please refer to the technical specifications listed below for the new symbol range distributions. -
February 18, 2025
Cboe Silexx Announcement - February 18th, 2025 Cboe Silexx is excited to announce the following enhancements. Please click the title for complete details. -
February 14, 2025
Cboe Trader E-News for Friday, February 14, 2025