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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August 26, 2025
CALD_Correction_08262025 -
August 25, 2025
Citadel Securities LLC Appointed DPM in Classes to Which Morgan Stanley and Co. LLC Was Previously Appointed DPM Pursuant to Exchange Rule 3.53(f), on July 2, 2025, the Exchange appointed Citadel Securities, LLC (Citadel), on an interim basis, to act as the Off-Floor DPM in all of the classes to which Morgan Stanley and Co. LLC (Morgan Stanley) had previously been appointed as Off-Floor DPM (see the Interim DPM Appointment of Citadel Securities, LLC notice). -
August 25, 2025
Reminder: 2025 SIFMA/FIA and Reg SCI BCP/DR Test In coordination with other market centers, as part of the annual SIFMA/FIA industry test and in support of Regulation Systems Compliance and Integrity (SCI) and Cboe Futures Exchange, LLC (CFE) requirements, Cboe is scheduled to host its annual business continuity plan/disaster recovery (BCP/DR) test on Saturday, October 25, 2025. -
August 25, 2025
Update - Cboe Introduces New Timestamping Report Effective today, August 25, 2025, all Cboe-affiliated U.S. Equities and Options Exchanges will introduce a new All Cancels Timestamping Report, subject to regulatory review. -
August 25, 2025
Cboe Silexx Announcement - August 25, 2025 Cboe Silexx is excited to announce the following enhancements. -
August 22, 2025
Change to Daily Closing Time for Options on a Certain Exchange Traded Product All Cboe-affiliated US Options Exchanges will change the daily closing time for options on an exchange-traded product (ETP) from 4:00 p.m. ET to 4:15 p.m. ET on the effective date listed below. This change applies to all existing options and related FLEX options for the ETP class identified below. -
August 22, 2025
Cboe Traders Weekly for Friday, August 22, 2025 -
August 22, 2025
Cboe EDGX Options Exchange Inside Switch Upgrade Effective August 25, 2025, Cboe EDGX Options Exchange (EDGX) will perform a migration of inside network switches that are nearing end-of-life to a newer model. -
August 18, 2025
Cboe Options Exchanges Restrictions on Transactions in Options on TPI Composites, Inc. (Option Symbol TPIC) Effective August 18, 2025, TPI Composites, Inc., TPIC will be delisted from the NASDAQ. Therefore, trading on Cboe Options (C1) Exchange in TPIC options commencing on August 19, 2025, will be subject to certain restrictions described below. Please click title for complete details. -
August 18, 2025
Reminder - Cboe Options to List P.M-Settled S&P 500 Equal Weight Index Options Effective trade date August 25, 2025, Cboe Options Exchange (C1) will begin listing P.M.-settled, cash-settled options on the S&P 500 Equal Weight Index.