MIAX Sapphire™ Options Regulatory Circulars
May 13, 2025
MIAX Sapphire RC-2025-32
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbols AZO and MELI Effective Wednesday, May 14, 2025
April 30, 2025
MIAX Sapphire RC-2025-31
MIAX Sapphire Options - Options Regulatory Fee Extension of Sunset Date to December 31, 2025
April 25, 2025
MIAX Sapphire RC-2025-30
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Symbol BULL Effective Monday, April 28, 2025
April 23, 2025
MIAX Sapphire RC-2025-29
Changes to Billing System Rules for the MIAX Exchanges to Allow Members to Provide Alternative Payment Instructions for Certain Fees
April 16, 2025
MIAX Sapphire RC-2025-28
Market for Underlying Security Used for Openings on MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Newly Listed Symbols Effective Thursday, April 17, 2025
April 16, 2025
MIAX Sapphire RC-2025-27
MIAX Sapphire Options Exchange Trading Floor Participants CRD Registrations
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 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