Notice Rule

Notice of Filing of a Proposed Rule Change to Modify Rule 11.21 to Adopt a Retail Price Improvement Program and Modify Rule 11.6(e)(2) and Rule 11.10(a)(4)(C) – (D) in Order to Describe the Behavior of Orders Containing a Non-Displayed Instruction

National Securities Exchanges, Cboe EDGX Exchange, Inc. (CboeEDGX)

Last Reviewed or Updated: Sept. 30, 2025