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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March 24, 2023
Cboe Trader E-News for Friday, March 24, 2023 -
March 22, 2023
RUT and Certain Option Classes Returning to Original Cboe Trading Floor Location As previously announced, RUT and certain options classes were temporarily moved to Post 9 on the Cboe Trading Floor. Effective Thursday, March 23, 2023, these classes will be moved back to their original location. Please click title for complete details. -
March 22, 2023
Restrictions on Transactions on Cboe Options Exchange in Options on Qutoutiao, Inc. (Option Symbol QTT) Effective March 22, 2023, Qutoutiao, Inc., (QTT) will be delisted from the NASDAQ. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in QTT options commencing on March 23, 2023, will be subject to certain restrictions described below. Please click title for complete details. -
March 22, 2023
Restrictions on Transactions on Cboe Options Exchange in Options on ObsEva SA (Option Symbol OBSV/OBSVF) Effective March 22, 2023, ObsEva SA, (OBSV) will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol OBSVF. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in OBSV and adjusted OBSVF options commencing on March 23, 2023 will be subject to certain restrictions described below. Please click title for complete details. -
March 22, 2023
Restrictions on Transactions on Cboe Options Exchange in Options on Sio Gene Therapies, Inc. (Option Symbol SIOX) Effective March 22, 2023, Sio Gene Therapies, Inc., (SIOX) will be delisted from the NASDAQ. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in SIOX options commencing on March 23, 2023, will be subject to certain restrictions described below. Please click title for complete details. -
March 20, 2023
Restrictions on Transactions on Cboe Options Exchange in Options on Loyalty Ventures, Inc. (Option Symbol LYLT/LYLTQ) Effective March 20, 2023, Loyalty Ventures, Inc., LYLT will be delisted from the NASDAQ and will move its listing to the Other-OTC Market under symbol LYLTQ. Therefore, trading on Cboe Exchange, Inc. (“Cboe Options”) in LYLT and adjusted LYLTQ options commencing on March 21, 2023 will be subject to certain restrictions described below. Please click title for complete details. -
March 20, 2023
Cboe Holiday Reminder – Modified Trading Hours on Thursday, April 6 and Friday, April 7, 2023 The table below outlines the modified trading schedules for the Cboe Options Exchanges (Cboe Options (“C1”), C2, BZX, and EDGX Options) and the Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) in observance of Good Friday. Please click the title for complete details. -
March 17, 2023
Cboe Trader E-News for Friday, March 17, 2023 -
March 14, 2023
Reminder - BZX Options Introduces New Message in Flight Behavior Effective March 24, 2023 Effective March 24, 2023, Cboe will introduce changes to message in flight settings on the Cboe BZX Options Exchange (“BZX”). The changes include a reduction in the number of messages in flight to a single matching engine as well as a new limit on the total number of unacknowledged messages for each FIX or BOE order entry session. Please click the title for complete details. -
March 13, 2023
Modifications to the VIX Index Filtering Algorithm Thresholds Effective Monday, March 20, 2023, Cboe Global Indices will update the threshold period used in the Index Filtering Algorithm for the Cboe Volatility Index (VIX). Please click title for complete details.