All Options Exchanges Regulatory Circulars
August 21, 2025
MIAX Sapphire RC-2025-61
Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB
August 21, 2025
MIAX Pearl RC-2025-60
Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB
August 21, 2025
MIAX Options RC-2025-59
Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB
August 21, 2025
MIAX Emerald RC-2025-58
Position and Exercise Limits Increase for Symbols GBTC, BTC, and BITB
August 19, 2025
MIAX Sapphire RC-2025-60
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol MIAX Effective Wednesday, August 20, 2025
August 19, 2025
MIAX Sapphire RC-2025-59
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol GEV Effective Wednesday, August 20, 2025
August 19, 2025
MIAX Sapphire RC-2025-58
Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol TFIN Effective Tuesday, August 19, 2025
August 19, 2025
MIAX Pearl RC-2025-59
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol MIAX Effective Wednesday, August 20, 2025