Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 11.23 to Explicitly Provide that the Exchange may Extend the Quote-Only Period for an Initial Public Offering Auction where a Derivative Security Fails to Meet the...

National Securities Exchanges, Cboe BZX Exchange, Inc. (CboeBZX)

Last Reviewed or Updated: Sept. 17, 2025