MIAX Sapphire™ Options Regulatory Circulars
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
April 08, 2025
MIAX Sapphire RC-2025-24
Exchange Rule 1308 Amendment to Harmonize Reporting Procedures
April 04, 2025
MIAX Sapphire RC-2025-23
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options and MIAX Sapphire Options for Symbol NMAX Effective Monday, April 7, 2025
April 02, 2025
MIAX Sapphire RC-2025-22
Order Instituting Proceedings – FINRA Proposed Rule Change to Amend the Codes of Arbitration Procedure to Make Changes to the Arbitrator List Selection Process