Miami International Holdings Reports August 2026 Trading Results

Miami International Holdings, Inc. (MIAX) reported August 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. MIAX Exchange Group reached a record year-to-date (YTD) average daily volume (ADV) of 11.0 million contracts through August 2026, a 25.5% increase from the same period in 2025. MIAX Exchange Group set a YTD market share record of 17.1% through August 2026, compared to 16.5% in the prior-year period. Additional MIAX Exchange Group and MIAX Futures trading volume and market share information is included in the table below. Summary statistics including trading volume and market share by business segment, as well as rolling three-month average revenue per contract and capture rates, are available on the MIAX website at https://ir.miaxglobal.com/volume-rpc-reports.

MIAX Average Daily Trading Volume (ADV) (1) Year-to-Date Comparison Aug-26 Aug-25 % Chg Jul-26 % Chg Aug-26 Aug-25 % Chg U.S. Multi-list Options Trading Days 21 21 22 166 165 U.S. Equity Options Industry ADV (000's) 62,769 54,909 14.3 % 64,394 -2.5 % 64,339 53,059 21.3 % MIAX Exchange Group Options ADV (000's) 11,537 9,525 21.1 % 11,019 4.7 % 11,017 8,775 25.5 % MIAX Exchange Group Options Market Share 18.4 % 17.3 % 6.0 % 17.1 % 7.4 % 17.1 % 16.5 % 3.5 % U.S. Equities U.S. Equities Industry ADV (Millions) 16,377 16,380 0.0 % 17,437 -6.1 % 19,275 17,105 12.7 % MIAX Pearl ADV (Millions) 112 169 -33.7 % 117 -4.0 % 164 184 -11.0 % MIAX Pearl Market Share 0.7 % 1.0 % -33.7 % 0.7 % 2.2 % 0.9 % 1.1 % -21.0 % MIAX Futures Exchange Trading Days 21 21 22 166 166 MIAX Futures ADV – Agricultural 14,092 11,190 25.9 % 12,123 16.2 % 12,203 15,728 -22.4 % MIAX Futures ADV – Financial (2) 1,557 n/a n/a 4,194 -62.9 % 4,979 n/a n/a 1) Calculated as total volume for the period divided by total trading days for the period. 2) Financial futures launched on May 17 (trade date May 18). Accordingly, ADV is calculated as total contracts for the period divided by total trading days for the period beginning on May 18.

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 eight exchanges across options, futures, equities and international markets including MIAX Options, MIAX Pearl, MIAX Emerald, MIAX Sapphire, MIAX Pearl Equities, MIAX Futures, The Bermuda Stock Exchange (BSX) and The International Stock Exchange (TISE). MIAX also owns Dorman Trading, a full-service Futures Commission Merchant and Notice Registered Broker-Dealer with the National Futures Association for purposes of facilitating transactions of security futures.