August 25, 2025
MIAX Pearl RC-2025-61
New Selective Liquidity Auto Purge (SLAP) Functionality Implementation on September 26, 2025
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August 22, 2025
MIAX Futures RC 2025-10
MIAX Futures Rulebook Update
August 21, 2025
MIAX Pearl Equities PC 2025-4546
Themes ETF Trust – BAIG and GLGG
August 21, 2025
MIAX Pearl Equities PC 2025-4545
VanEck ETF Trust – TRUD and TRUT
August 21, 2025
MIAX Pearl Equities PC 2025-4544
YieldMax Ultra Short Option Income Strategy ETF – SLTY
MIAX Pearl
SR-PEARL-2025-39
Effective / Approved
Proposal to amend Rule 2610, Units of Trading, to conform with the definition of Round Lot under Rule 600 of the Regulation NMS that is to be implemented in November 2025, and make conforming non-substantive changes to Rule 2611, Odd and Mixed Lots, Rule 2614, Orders and Order Instructions, and Rule 2616, Priority of Orders. This proposal will be implemented on November 3, 2025.
August 21, 2025
August 21, 2025
MIAX Sapphire RC-2025-61
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 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