Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Exchange Rules 4.3 (Criteria for Underlying Securities), 4.20 (FLEX Option Classes), 8.30 (Position Limits), 8.35 (Position Limits for FLEX Options) and 8.42 (Exercise Limits)

National Securities Exchanges, Cboe Exchange, Inc. (CBOE)

Last Reviewed or Updated: March 13, 2026