MIAX Sapphire® Options Regulatory Circulars
October 01, 2026
MIAX Sapphire RC-2026-149
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbol UWMC1 Effective Friday, October 2, 2026
September 29, 2026
MIAX Sapphire RC-2026-148
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 Wednesday, September 30, 2026
September 28, 2026
MIAX Sapphire RC-2026-147
Market for Underlying Security Used for Openings on MIAX Sapphire Options for Newly Listed Adjusted Symbol EU1 Effective Tuesday, September 29, 2026
September 28, 2026
MIAX Sapphire RC-2026-146
Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Thursday, October 1, 2026, Through Thursday, December 31, 2026
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