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 |
Summary of market volume and market share on the Cboe U.S. options exchanges.
Most Active
Latest News
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October 30, 2020
Cboe Trader E-News for Friday, October 30, 2020 -
October 26, 2020
Cboe Silexx Enhancements – October 26, 2020 Cboe Silexx is excited to announce the following enhancements: Please click title for complete details -
October 23, 2020
Cboe Trader E-News for Friday, October 23, 2020 -
October 23, 2020
Restricted Clearing Trading Permit Holder OCC Number 864 on Cboe (C1) Options Exchange Pursuant to Cboe Options Rule 5.10, Clearing Trading Permit Holders (TPHs) may request the Exchange restrict their OCC clearing number(s) from being used for give-up purposes by other TPHs by “Opting In” to the list of restricted give-up firms on the Exchange. Please click the title for complete details. -
October 20, 2020
XSP to be Listed on BZX Options and Delisted on EDGX Options Effective November 2, 2020, BZX Options Exchange (“BZX”) will begin trading options on the Mini-SPX Index (symbol XSP) and EDGX Options Exchange (“EDGX”) will delist XSP. XSP options will continue trading on Cboe Options Exchange (“C1”). Please click the title for complete details. -
October 16, 2020
Cboe Trader E-News for Friday, October 16, 2020 -
October 16, 2020
Cboe Global Markets Announces Planned Acquisition of BIDS Trading Cboe Global Markets today announced that it plans to acquire BIDS Trading, a registered broker-dealer and the operator of the BIDS Alternative Trading System (ATS), the largest block-trading ATS by volume in the U.S. The transaction is expected to close in early 2021, subject to regulatory review and other customary closing conditions. Please click the title for complete details. -
October 15, 2020
Cboe Options Reactivation of Maximum Active Order Threshold on PAR Effective October 19, 2020, Cboe Options (“C1”) will re-activate the maximum active order threshold safeguard on PAR terminals used by floor brokers. The maximum threshold will be set to 1,999. Please click the title for complete details. -
October 14, 2020
Cboe Options to Expand Drill Through Protections Effective November 9, 2020 for EDGX Options (“EDGX”) and November 10, 2020 for BZX Options (“BZX”), Cboe Options (“C1”), and C2 Options (“C2”) Exchanges, subject to regulatory review, drill-through protections will be expanded for all single leg orders and for complex orders that do not specify a drill through override. Please click the title for complete details. -
October 13, 2020
Restrictions on Transactions in Mallinckrodt plc (MNKKQ) on Cboe Options Exchange Effective October 13, 2020, the above class will be subject to restrictions pursuant to Rule 4.4. Transactions in contravention of this restriction may be subject to nullification. Please click the title for more details.