Change to Daily Closing Time for Options on a Certain Exchange Traded Product
Reference ID: C2026022303
Applicable Cboe Exchanges: BZX Options, Cboe Options, C2 Options, EDGX Options
Overview
All Cboe-affiliated U.S. Options Exchanges will change the daily closing time for options on an exchange-traded product (ETP) from 4:00 p.m. ET to 4:15 p.m. ET on the effective date listed below. This change applies to all existing options and related FLEX options for the ETP class identified below.
| Class Symbol | Symbol Name | Effective Date |
|---|---|---|
| VOO | Vanguard S&P 500 ETF | February 25, 2026 |
Additional Information
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