Miami International Holdings, Inc. (MIAX) (NYSE: MIAX), a technology-driven leader in building and operating regulated financial markets across multiple asset classes, today reported July 2026 trading results for its U.S. exchange subsidiaries — MIAX®, MIAX Pearl®, MIAX Emerald® and MIAX Sapphire® (collectively, the MIAX Exchange Group), and MIAX Futures®. July 2026 HighlightsMIAX Exchange Group reached a record year-to-date (YTD) average daily volume (ADV) of 10.9 million contracts through July 2026, a 26.3% increase from the same period in 2025MIAX Exchange Group set a YTD market share record of 16.9% through July 2026, compared to 16.4% in the prior-year period.