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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April 24, 2024
Update - Cboe Options to Allow FLEX Orders with an Equity Leg Effective April 29, 2024, Cboe Options Exchange (C1) will allow customers to submit FLEX option orders containing an equity leg. This new functionality will be available for both floor-routed and electronically processed orders. -
April 24, 2024
Update - Cboe and EDGX Options to Allow Equity BD Choice on Stock-Option Orders; New PAR Indicators Effective April 29, 2024, Cboe Options Exchange (C1) and EDGX Options Exchange (EDGX) will allow customers to optionally designate an equity Broker Dealer (BD) of choice on electronically processed options orders that include an equity leg. -
April 23, 2024
New OCC Clearing Number 431 Please be advised that Citadel Securities LLC, OCC Clearing #431, has recently become a valid Clearing Number for trade executions on all Cboe-affiliated US Options Exchanges. -
April 23, 2024
New OCC Clearing Number 431 Please be advised that Citadel Securities LLC, OCC Clearing #431, has recently become a valid Clearing Number for trade executions on all Cboe-affiliated US Options Exchanges. -
April 22, 2024
Cboe Options Updates SPX/SPXW Auction Response Time Interval to 250ms Effective trade date May 6, 2024, Cboe Options Exchange (C1) will update the SPX/SPXW response time interval for Complex Order Auctions (COA) and Simple and Complex Automated Improvement Mechanism Auctions (AIM/C-AIM) from 100ms to 250ms. -
April 22, 2024
Cboe Silexx Announcement – April 22, 2024 Cboe Silexx is excited to announce the following enhancements. Please click the title for complete details. -
April 19, 2024
Cboe Options Exchanges Restrictions on Transactions in Options on Tritium DCFC Limited (Option Symbol DCFC/DCFC1) Effective April 19, 2024, Tritium DCFC Limited, DCFC will be delisted from the NASDAQ. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in DCFC and adjusted DCFC1 options commencing on April 22, 2024, will be subject to certain restrictions described below. Please click title for complete details. -
April 19, 2024
Cboe Trader E-News for Friday, April 19, 2024 -
April 16, 2024
Update - Cboe Disaster Recovery Switch Replacements Effective per the schedule below, Cboe will perform L3 switch hardware upgrades in the Disaster Recovery and Production environments hosted out of CH1 and ORD1 data centers, including BYX Equities, BZX Equities, EDGA Equities, EDGX Equities, BZX Options, C2 Options, EDGX Options, C1 Options, CFE, LiveVol, Silexx, and FT Options environments. -
April 15, 2024
Cboe Options Exchanges to Introduce Higher Bandwidth PITCH Feeds and Sunset 1G PITCH Feeds Beginning May 20, 2024, through July 15, 2024, Cboe BZX Options (BZX), C2 Options (C2), and EDGX Options (EDGX) Exchanges will make various PITCH depth of book market data enhancements to provide customers faster, more efficient real-time market data feeds.