U.S. Options

MIAX Options has amended Exchange Rule 612 to allow MIAX Market Makers to establish an Origin Multiplier to be applied during the calculation of the Market Maker’s option percentage of each option execution. Beginning on August 31, 2026, the Origin Multiplier may be established by MPID for all classes and for any combination of MPID and class.

Please refer to the following Regulatory Circular for more information on the Origin Multiplier:

• MIAX Options RC 2026-109

For additional information, contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302.

Please direct questions to the Regulatory Department at Regulatory@miaxglobal.com or (609) 897-7309.