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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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 -
January 21, 2025
Cboe Options Introduces New Cboe Timestamping Service Effective trade date January 27, 2025, 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 21, 2025
Cboe BZX Options Increases Unitized Logical Port Maximum, Effective February 3, 2025 Effective February 3, 2025, BZX Options (BZX) will increase the Unitized Logical Port maximum from 20 to 30 in support of the new BOEv3 unitized architecture previously announced, subject to regulatory review. -
January 17, 2025
Cboe EDGX Options Scheduled Matching Engine Hardware Upgrade From January 31, 2025 through February 14, 2025, Cboe EDGX Options Exchange (EDGX) will perform a phased migration of Matching Engine processes to newer hardware. -
January 17, 2025
Cboe Trader E-News for Friday, January 17, 2025 -
January 17, 2025
Quarterly Rebalance of Option Class Tiers Reminder – 4th Quarter 2024 Pursuant to Cboe Options Rule 5.50(g)(1) and EDGX Options Fees Schedule, each 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. -
January 17, 2025
Quarterly Rebalance of Option Class Tiers Reminder – 4th Quarter 2024 Pursuant to Cboe Options Rule 5.50(g)(1) and EDGX Options Fees Schedule, each 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.