All Options Exchanges Regulatory Circulars
October 23, 2026
MIAX Sapphire RC-2026-163
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol MTD Effective Monday, October 26, 2026
October 23, 2026
MIAX Pearl RC-2026-158
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol MTD Effective Monday, October 26, 2026
October 23, 2026
MIAX Options RC-2026-164
Change to Opening and Intra-day Quote Width Requirements for Symbol MTD Effective Monday, October 26, 2026
October 23, 2026
MIAX Emerald RC-2026-118
Change to Opening and Intra-day Quote Width Requirements for Symbol MTD Effective Monday, October 26, 2026
October 22, 2026
MIAX Sapphire RC-2026-162
Market for Underlying Security Used for Openings on MIAX Pearl Options and MIAX Sapphire Options for Newly Listed Symbols Effective Friday, October 23, 2026
October 22, 2026
MIAX Pearl RC-2026-157
Market for Underlying Security Used for Openings on MIAX Pearl Options and MIAX Sapphire Options for Newly Listed Symbols Effective Friday, October 23, 2026
October 22, 2026
MIAX Options RC-2026-163
Market for Underlying Security Used for Openings on MIAX Options and MIAX Emerald Options for Newly Listed Symbols Effective Friday, October 23, 2026
October 22, 2026
MIAX Emerald RC-2026-117
Market for Underlying Security Used for Openings on MIAX Options and MIAX Emerald Options for Newly Listed Symbols Effective Friday, October 23, 2026