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 |
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| 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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May 19, 2025
Update - Cboe Options Allows FLEX and Non-FLEX Instruments on Complex FLEX Orders Effective trade date June 23, 2025, Cboe Options Exchange (C1) will allow a new type of complex FLEX order which may include a combination of FLEX Option series and non-FLEX Option series on the same underlying security or index. Complex FLEX orders may optionally include an underlying equity leg component. -
May 16, 2025
Cboe Traders Weekly for Friday, May 16, 2025 -
May 14, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Accelerate Diagnostics, Inc. (Option Symbol AXDX/AXDXQ) Effective May 14, 2025, Accelerate Diagnostics, Inc., AXDX will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol AXDXQ. Therefore, trading on Cboe Options (C1) Exchange in AXDXQ options commencing on May 15, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
May 9, 2025
Cboe Trader E-News for Friday, May 9, 2025 -
May 7, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Palatin Technologies, Inc. (Option Symbol PTN) Effective May 07, 2025, Palatin Technologies, Inc., PTN will be delisted from the AMEX. Therefore, trading on Cboe Options (C1) Exchange in PTN options commencing on May 08, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
May 6, 2025
Changes to Available Expirations for SPX Options Effective May 07, 2025, Cboe Options Exchange (“C1”) will begin offering the September 18, 2026, expiration for SPX. Please click title for complete details. -
May 5, 2025
Cboe Holiday Reminder – Modified Trading Hours on Monday, May 26, 2025 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 Memorial Day. -
May 5, 2025
Cboe Silexx Announcement - May 5, 2025 Cboe Silexx is excited to announce the following enhancements. Please click the title for complete details. -
May 2, 2025
Cboe Trader E-News for Friday, May 2, 2025 -
May 2, 2025
Cboe Options Exchange Offers New Order Handler Cabinet Effective trade date June 2, 2025, Cboe Options Exchange (C1) will be adding a new Order Handler cabinet. Cboe will not be performing a rebalance of existing logical ports when the new cabinet is added.