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 |
Latest News
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October 21, 2021
Cboe Options to Automate Compliance with SPX Minimum Size Requirement for Market-Makers Effective November 28, 2021, Cboe Options Exchange (“C1”) will begin rejecting Market Maker quotes and orders in SPX options (symbol SPX only) with a quantity less than the regulatory size requirements. Quotes and orders in SPXW, currently subject to a minimum regulatory size requirement of one contract, will not be impacted by this change. Please click the title for complete details. -
October 15, 2021
Cboe Trader E-News for Friday, October 15, 2021 -
October 15, 2021
Cboe Options Introduces IOC BOE Quote Update Messages Effective December 10, 2021, EDGX Options Exchange (“EDGX”) and December 12, 2021, BZX Options (“BZX”), Cboe Options (“C1”), and C2 Options (“C2”) Exchanges will make available a PostingInstruction of Immediate-or-Cancel (“IOC”) for quote update messages using the quoting interface. The quoting interface is used to enter or update one or more quotes using the BOE protocol. Please click the title for complete details. -
October 14, 2021
Quarterly Rebalance of Option Class Tiers Reminder – 3rd Quarter 2021 Pursuant to Cboe Options (“Cboe Options” or the “Exchange”) Rule 5.50(g)(1), the 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. When a class changes tiers, it is assigned the appointment weight of the new tier. Please click the title for complete details. -
October 13, 2021
Consolidated Audit Trail (CAT) – “on Behalf of Reporting” Expanded in Preparation for CAT Phase 2D Cboe Options Exchange and its affiliated entity, Cboe Silexx, LLC (“Cboe Silexx”), intend to expand the offering of CAT-formatted files to its TPHs to include order events from Market Maker Trade Notifications (MMTNs), Clearing Editor, Trade Add Tool, and Cboe Compression Service. Please click the title for complete details. -
October 8, 2021
Cboe Trader E-News for Friday, October 8, 2021 -
October 1, 2021
Cboe Trader E-News for Friday, October 1, 2021 -
October 1, 2021
Penny Program – Additional Classes to be Added on October 4, 2021 Effective Monday, October 4, 2021, the Cboe Options Exchanges (BZX Options, Cboe Options, C2 Options, and EDGX Options) will add 3 new issues to the Penny Program, as follows: Please click title for complete details. -
September 30, 2021
Market Data and Order Entry Technical Specification Updates to Support Extended GTH Session In preparation for the previously announced extension of trading hours on the Cboe Options Exchange (“C1”), Cboe has updated technical specification documents. Please click the title for complete details. -
September 30, 2021
Accelerated Listing of Additional Standard XSP Options Expirations Effective October 01, 2021 and October 4, 2021, Cboe Options and EDGX Options will make available for trading a total of six additional XSP (option symbol: XSP) standard expirations, originally scheduled to be offered at later dates. Please click title for complete information