MIAX Sapphire® Options Regulatory Circulars
September 05, 2025
MIAX Sapphire RC-2025-68
Updated Reminder for Trading Floor Participants - Four Decimal Precision for Pricing Stock-Option Complex Strategies
September 05, 2025
MIAX Sapphire RC-2025-67
Reminder for Trading Floor Participants – Options Regulatory Fee
August 28, 2025
MIAX Sapphire RC-2025-65
SEC Approval - Amended Codes of Arbitration Procedure to Add FINRA Rules 12808 and 13808 (Accelerated Processing) for Qualified Parties
August 26, 2025
MIAX Sapphire RC-2025-63
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, August 27, 2025
August 25, 2025
MIAX Sapphire RC-2025-62
SEC Approval – FINRA Rule Change to Amend the Codes of Arbitration Procedure to Make Changes to the Arbitrator List Selection Process
August 21, 2025
MIAX Sapphire RC-2025-61
Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB