August 19, 2025
MIAX Emerald RC-2025-56
Change to Opening and Intra-day Quote Width Requirements for Symbol GEV Effective Wednesday, August 20, 2025
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August 19, 2025
MIAX Options RC-2025-57
Change to Opening and Intra-day Quote Width Requirements 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 Emerald RC-2025-55
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-2025-57
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 Options RC-2025-56
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
MIAX Sapphire
SR-SAPPHIRE-2025-32
Pending
Amend Rule 527, Exchange Liability.
August 15, 2025
Miami International Holdings Announces Exercise of Underwriters Over-Allotment Option and Closing of Initial Public Offering
August 15, 2025
MIAX Pearl Equities PC 2025-4531
ProShares Ultra QQQ Top 30 ETF- QQXL
MIAX Options
SR-MIAX-2025-38
Effective / Approved
Amend Rule 307, Position Limits, and Rule 309, Exercise Limits, to increase the position and exercise limits for Grayscale Bitcoin Trust ("GBTC"), Grayscale Bitcoin Mini Trust ("BTC"), and Bitwise Bitcoin ETF ("BITB").
August 14, 2025