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 |
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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 |
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Classic Pro-Rata/Customer Priority/DMM Model |
All-electronic exchange |
*Cboe Exchange, Inc. is the legal name of this exchange, which for marketing purposes is sometimes referred to as Cboe Options or Cboe Options Exchange.
Cboe Options Exchange Overview
Value of a Physical Trading Floor
Latest News
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October 7, 2025
Cboe Options Updates ExecID and ExecRefID on FIX Trade Cancel/Correct Messages, Adds New Send Floor Trade Restatements Port Attribute Effective November 6, 2025 on Cboe EDGX Options Exchange (EDGX) and November 10, 2025 on Cboe BZX Options (BZX), C2 Options (C2) and Cboe Options (C1) Exchanges, Cboe will update the ExecRefID (FIX Tag 19) and ExecID (FIX Tag 17) fields on Trade Cancel/Correct (UCC) messages and the ExecRestatementReason (FIX Tag 378) field on Execution Report messages. Cboe will also add a new Send Floor Trade Restatements port attribute. -
October 6, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on Office Properties Income Trust (Option Symbol OPI) Effective October 06, 2025, Office Properties Income Trust, OPI will be delisted from the NASDAQ. Therefore, trading on Cboe Options (C1) Exchange in OPI options commencing on October 07, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
October 6, 2025
Final Reminder - Cboe BZX Options Introduces Complex Orders Effective October 13, 2025, subject to regulatory review, Cboe BZX Options Exchange (BZX) will introduce complex orders. Reminder - The final weekend test date is scheduled for October 11, 2025. -
October 6, 2025
Cboe Silexx Announcement - October 6, 2025 Cboe Silexx is excited to announce the following enhancements. -
October 3, 2025
Cboe Traders Weekly for Friday, October 3, 2025 -
October 3, 2025
Reminder - Cboe Options 2025 Mandatory Weekend Virtual Trading Floor Production Testing The Cboe Options Virtual Trading Floor (VTF) application may be utilized if the Cboe Options Trading Floor becomes inoperable for an extended period. Mandatory VTF production testing will take place on Saturday, November 8, 2025, from 7:30 a.m. to 9:30 a.m. CT for Floor Trading Permit Holder (TPH) firms with a presence in the SPX, VIX, RUT, or Multi-List trading crowds. Participating TPHs must join from their off-site locations and not from the Cboe Trading Floor. Please click title for complete details. -
October 1, 2025
Penny Program - Additional Classes 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. -
September 26, 2025
Cboe Traders Weekly for Friday, September 26, 2025 -
September 25, 2025
Cboe Options Exchange Flex Feed Enhancement Effective October 6, 2025, Cboe Options Exchange (C1) will deploy an enhancement to the C1 FLEX Feed. The Leg Symbol field value of any equity leg contained in a Complex FLEX Instrument Definition will be updated to reflect the equity ticker symbol. -
September 25, 2025
Update - Cboe Options Exchange Updates AM-Settled Index Options Closing Time Effective Trade Date yet to be determined, subject to regulatory review of related updates to the Options Disclosure Document (ODD), Cboe Options Exchange (C1) plans to change the time at which certain expiring AM-settled index options cease trading. The change will apply only to classes of index options that trade during Cboe's Global Trading Hours (GTH) session.