Regulatory Alert, Trading Alert

MIAX Pearl Equities

October 10, 2025 | 01:34 PM

Changes to the Defintion of Round Lot under Exchange Rules to Conform to New Regulation NMS Rule 600(b)(93)

Effective November 3, 2025, MIAX Pearl Exchange, Inc. (the “Exchange”) will amend Exchange Rule 2610, Units of Trading, to conform with a recent amendment to the definition of Round Lot under Rule 600 of Regulation NMS recently approved by the Securities and Exchange Commission.

For details on the rule amendment, please refer to the following Regulatory Circular:

Contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 with any questions regarding the amendment.

Regulatory inquiries should be directed to Regulatory@miaxglobal.com or (609) 897-7309.