All Options Exchanges Regulatory Circulars


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April 11, 2025

MIAX Sapphire RC-2025-26

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 Monday, April 14, 2025

April 11, 2025

MIAX Pearl RC-2025-26

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 Monday, April 14, 2025

April 11, 2025

MIAX Options RC-2025-26

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 Monday, April 14, 2025

April 11, 2025

MIAX Emerald RC-2025-26

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 Monday, April 14, 2025

April 09, 2025

MIAX Sapphire RC-2025-25

Amendment to MIAX Rule 1808(g) to Use Last Reported Sale Price of the Security from Previous Trading Day to Calculate Current Index Value at Expiration of Exchange Listed Index Options When the Primary Market for the Underlying Does Not Open

April 09, 2025

MIAX Pearl RC-2025-25

Amendment to MIAX Rule 1808(g) to Use Last Reported Sale Price of the Security from Previous Trading Day to Calculate Current Index Value at Expiration of Exchange Listed Index Options When the Primary Market for the Underlying Does Not Open

April 09, 2025

MIAX Options RC-2025-25

Amendment to MIAX Rule 1808(g) to Use Last Reported Sale Price of the Security from Previous Trading Day to Calculate Current Index Value at Expiration of Exchange Listed Index Options When the Primary Market for the Underlying Does Not Open

April 09, 2025

MIAX Emerald RC-2025-25

Amendment to MIAX Rule 1808(g) to Use Last Reported Sale Price of the Security from Previous Trading Day to Calculate Current Index Value at Expiration of Exchange Listed Index Options When the Primary Market for the Underlying Does Not Open