Miami International Holdings, Inc. (MIH), a technologydriven leader in building and operating regulated financial markets across multiple asset classes, today reported May 2025 trading results for its U.S. exchange subsidiaries—MIAX®, MIAX Pearl®, MIAX Emerald® and MIAX Sapphire™ (collectively, the MIAX Exchange Group), and MIAX Futures™. May 2025 Trading Volume and Market Share Highlights * · Total multi-listed options volume for the MIAX Exchange Group reached 188.1 million contracts in May 2025, a 44.2% increase year-over-year (YoY), bringing total year-to-date (YTD) volume to a record 894.1 million contracts. May 2025 market share reached a record 17.4%, an 18.8% increase YoY. The MIAX Exchange Group set a new daily market share record of 19.8% on May 21, 2025. * · MIAX Sapphire reached a monthly volume of 35.7 million contracts, with May 2025 market share reaching a record 3.3%. MIAX Sapphire launched trading on August 12, 2024 and now has over 3,800 classes available for trading. * · MIAX Options reached a record monthly volume of 89.2 million contracts, a 69.7% increase YoY. May 2025 market share reached a record 8.3%, a 39.8% increase YoY. MIAX Options set a new daily market share record of 10.1% on May 21, 2025. MIAX Options YTD volume and market share reached record levels at 390.2 million contracts and 7.2%, respectively. * · MIAX Pearl Options reached a monthly volume of 23.9 million contracts, a 44.5% decrease YoY. May 2025 market share reached 2.2%, a 54.3% decrease YoY. * · MIAX Emerald reached a monthly volume of 39.4 million contracts, a 13.0% increase YoY. May 2025 market share reached 3.6%, a 6.9% decrease YoY. MIAX Emerald YTD volume and market share reached record levels at 215.6 million contracts and 4.0%, respectively. * · In U.S. equities, MIAX Pearl Equities™ reached a monthly volume of 4.0 billion shares, a 12.1% decrease YoY and representing a market share of 1.1%, a 34.8% decrease YoY. * · In U.S. futures, MIAX Futures, a Designated Contract Market (DCM) and Derivatives Clearing Organization (DCO), reached a monthly volume of 279,105 contracts, a 26.7% increase YoY. MIAX Futures YTD volume reached a record 1.8 million contracts. Additional MIAX Exchange Group and MIAX Futures trading volume and market share information are included in the tables below.

Miami International Holdings, Inc. (MIH), a technologydriven leader in building and operating regulated financial markets across multiple asset classes, today announced the launch of Bitcoin Range Binary (BTCRB) Options on its MIAX Derivatives Exchange…

Miami International Holdings, Inc. (MIH), a technologydriven leader in building and operating regulated financial markets across multiple asset classes, today announced that MIAX® was named “Best Trading Platform” for the third consecutive year and the…