MIAX Sapphire® Options Regulatory Circulars


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September 23, 2026

MIAX Sapphire RC-2026-145

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbol STDN Effective Thursday, September 24, 2026

September 22, 2026

MIAX Sapphire RC-2026-144

Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol BWET Effective Wednesday, September 23, 2026

September 21, 2026

MIAX Sapphire RC-2026-143

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbols Effective Tuesday, September 22, 2026

September 17, 2026

MIAX Sapphire RC-2026-142

Market for Underlying Security Used for Openings on MIAX Pearl Options and MIAX Sapphire Options for Newly Listed Symbols Effective Friday, September 18, 2026

September 17, 2026

MIAX Sapphire RC-2026-141

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbol BKV Effective Friday, September 18, 2026

September 14, 2026

MIAX Sapphire RC-2026-140

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 KHC Effective Monday, September 14, 2026

September 01, 2026

MIAX Sapphire RC-2026-139

Change to the Penny Interval Program for September 2, 2026

August 31, 2026

MIAX Sapphire RC-2026-138

FINRA Arbitration Rule Amendment - Notice of Filing of a Proposed Rule Change To Amend the Codes of Arbitration Procedure To Make Changes to Certain Provisions Relating to Arbitrator List Selection