Effective trade date November 16, 2026, Cboe Options Exchange (C1) will extend its existing Curb trading session to trading days with an early Regular Trading Hours (RTH) close.
Effective July 13, 2026, Cboe Options Exchange (C1) plans to expand trading hours for select equity options.
Cboe Options Exchange will permit Magnificent 10 Index Options (MGTN and MGTNW) to trade in penny increments.
Effective trade date February 9, 2026, Cboe Options Exchange (C1) will allow trading of RUT Index Options during Global Trading Hours (GTH).
Effective November 17, 2025, all Cboe-affiliated U.S. Options Exchanges will enforce Complex instrument creation limits.
Cboe Options Exchange (C1) plans to change the time at which certain expiring AM-settled index options cease trading.
Effective trade date June 23, 2025, Cboe Options Exchange (C1) will allow a new type of complex FLEX order.
Cboe Options Exchange (C1) has submitted an SEC rule filing to permit it to list options on exchange-traded products (ETPs) holding Bitcoin.
Cboe Options Exchange (C1) will introduce looping complex instrument definitions to feed server unit 35 Complex Multicast PITCH and TOP feeds.
Effective December 19, 2022, Cboe Options Exchange will enable FLEX Delta-Adjusted at Close (DAC) orders in single-name equity options.
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