PRINCETON, N.J. AND MIAMI - October 7, 2025 - Miami International Holdings, Inc. (MIAX) (NYSE: MIAX), a technology-driven leader in building and operating regulated financial markets across multiple asset classes, today reported September 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™.
September 2025 and Year-to-Date Highlights
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MIAX launched the MIAX Sapphire options trading floor in Miami on September 12, 2025, providing its market participants access to 100% of the multi-listed U.S. options market across the MIAX Exchange Group.
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MIAX Exchange Group set a number of volume and market share records in September 2025 including:
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Daily market share record of 20.0% on September 23, 2025
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Monthly market share record of 17.6% in September 2025
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Year-to-date (YTD) market share record of 16.7%
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Monthly average daily volume (ADV) record of 10.8 million contracts, a 73.1% increase from September 2024
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YTD ADV record of 9.0 million contracts, a 40.4% increase from the same period in 2024
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MIAX Futures reached a record YTD ADV of 14,633 contracts through September 2025, a 14.1% increase from the same period in 2024.
Additional MIAX Exchange Group and MIAX Futures trading volume and market share information is included in the table attached.
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About MIAX
Miami International Holdings, Inc. (NYSE: MIAX) is a technology-driven leader in building and operating regulated financial markets across multiple asset classes and geographies. MIAX® operates nine exchanges across options, futures, equities and international markets including MIAX Options, MIAX Pearl®, MIAX Emerald®, MIAX Sapphire®, MIAX Pearl Equities™, MIAX Futures™, MIAXdx™, The Bermuda Stock Exchange (BSX) and The International Stock Exchange (TISE). MIAX also owns Dorman Trading, a full-service Futures Commission Merchant. To learn more about MIAX please visit
https://www.miaxglobal.com.
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Media Contact:
Andy Nybo, SVP, Chief Communications Officer
[email protected]