U.S. Options

Amendment to Request for Response Message Handling for PRIME and cPRIME Auctions

Change to the Penny Interval Program for November 13, 2026

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol ENVX2 Effective Friday, November 13, 2026

Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol CFR Effective Thursday, November 12, 2026

Change to the Penny Interval Program for November 9, 2026

Change to the Penny Interval Program for November 9, 2026

Change to Opening and Intra-day Quote Width Requirements for Symbol MDGL Effective Friday, November 6, 2026

Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol HLT Effective Thursday, November 5, 2026