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 |
Latest News
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July 5, 2024
Schedule Update - Cboe BZX Options Announces Release and Weekend Testing Dates for Unitized Architecture, BOEv3 Protocol Cboe BZX Options Exchange (BZX) is pleased to announce the release of version 3 of its Binary Order Entry (BOE) protocol on August 19, 2024, subject to regulatory review. The BOEv3 protocol will offer fixed length messages, a single gateway per matching unit, and enhanced determinism. -
July 5, 2024
Schedule Update - Change in Index Price Format for Cboe Mini-SPX Index (Symbol: XSP) and S&P 500 Settlement Reduced Index (Symbol: XSR) Effective on a date yet to be determined, the decimal scale for the Cboe Mini-SPX Index (Symbol: XSP) and S&P 500 Settlement Reduced Index (Symbol: XSR) prices will be expanded. Please click title for complete details. -
July 2, 2024
Cboe Options Exchanges Restrictions on Transactions in Options on Chicken Soup for the Soul Entertainment, Inc. (Option Symbol CSSE/CSSEQ) Effective July 02, 2024, Chicken Soup for the Soul Entertainment, Inc., CSSE will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol CSSEQ. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in CSSE and adjusted CSSEQ options commencing on July 03, 2024, will be subject to certain restrictions described below. Please click title for complete details. -
July 1, 2024
Update - Cboe BZX Options Announces Release and Weekend Testing Dates, Logical Port and Average Daily Order/Average Daily Quote Fees for Unitized Architecture, BOEv3 Protocol Cboe BZX Options Exchange (BZX) is pleased to announce the release of version 3 of its Binary Order Entry (BOE) protocol on August 19, 2024, subject to regulatory review. The BOEv3 protocol will offer fixed length messages, a single gateway per matching unit, and enhanced determinism. -
July 1, 2024
Cboe Options Adds New FIX Tag for Orders with an Equity Leg Effective trade date July 22, 2024, Cboe Options (C1) and EDGX Options (EDGX) Exchanges will add a new CrossOnBehalfOfId (FIX Tag 22028) field to FIX and BOE order entry protocols allowing customers to identify the initiating customer on equity leg orders routed to destinations via NYSE Chicago BrokerPlex. -
June 28, 2024
Cboe Trader E-News for Friday, June 28, 2024 -
June 28, 2024
Change to Daily Closing Time for Options on a Certain Exchange Traded Product BZX Options, Cboe Options, C2 Options and EDGX Options exchanges will change the daily closing time for options on an exchange-traded product (ETP) from 4:15 p.m. ET to 4:00 p.m. ET on the effective date listed below. This change will apply to all existing options and related FLEX options for the ETP class identified below. Please click title for complete details. -
June 27, 2024
Update - Cboe Options Exchange GTH1 XSP LMM Incentive Program Solicitation Cboe Options (the “Exchange”) will be accepting applications from interested Trading Permit Holders for the Lead Market-Maker (LMM) role in the Global Trading Hours 1 (GTH1) session for XSP options for the purposes of the GTH1 XSP LMM Incentive Program (“Program”). -
June 27, 2024
Update - Cboe Options Exchange GTH1 XSP LMM Incentive Program Solicitation Cboe Options (the “Exchange”) will be accepting applications from interested Trading Permit Holders for the Lead Market-Maker (LMM) role in the Global Trading Hours 1 (GTH1) session for XSP options for the purposes of the GTH1 XSP LMM Incentive Program (“Program”). -
June 27, 2024
Update - Cboe Options Exchange GTH2 XSP LMM Incentive Program Solicitation Cboe Options (the “Exchange”) will be accepting applications from interested Trading Permit Holders for the Lead Market-Maker (LMM) role in the Global Trading Hours 2 (GTH2) session for XSP options for the purposes of the GTH2 XSP LMM Incentive Program (“Program”).