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    Miami International Holdings Reports Trading Results for October 2025

    PRINCETON, N.J. and MIAMI, Nov. 5, 2025 /PRNewswire/ — Miami International Holdings, Inc. (MIAX) (NYSE: MIAX), a technology-driven leader in building and operating regulated financial markets across multiple asset classes, today reported October 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™.

    MIAX Logo

    October 2025 and Year-to-Date Highlights

    • MIAX Exchange Group set a number of volume and market share records in October 2025 including:
      • Daily market share record of 20.9% on October 14, 2025
      • Daily volume record of 19.7 million contracts on October 10, 2025
      • Monthly market share record of 19.4% in October 2025
      • Monthly average daily volume (ADV) record of 13.1 million contracts, a 92.4% increase from October 2024
      • Year-to-date (YTD) ADV record of 9.4 million contracts, a 46.4% increase from the same period in 2024
    • MIAX Futures reached a record YTD ADV of 13,828 contracts through October 2025, a 10.1% 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 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 now available on the MIAX website at https://ir.miaxglobal.com/volume-rpc-reports.

    Average Daily Trading Volume (ADV) (1)

    Year-to-Date Comparison

    Oct-25

    Oct-24

    % Chg

    Sep-25

    % Chg

    Oct-25

    Oct-24

    % Chg

    U.S. Multi-list Options

    Trading Days

    23

    23

    21

    209

    211

    U.S. Equity Options Industry ADV (000’s)

    67,193

    44,322

    51.6 %

    61,299

    9.6 %

    55,442

    43,393

    27.8 %

    MIAX Exchange Group Options ADV (000’s)

    13,057

    6,787

    92.4 %

    10,787

    21.0 %

    9,448

    6,453

    46.4 %

    MIAX Exchange Group Options Market Share

    19.4 %

    15.3 %

    26.9 %

    17.6 %

    10.4 %

    17.0 %

    14.9 %

    14.6 %

    U.S. Equities

    U.S. Equities Industry ADV (Millions)

    20,996

    11,665

    80.0 %

    18,309

    14.7 %

    17,613

    11,674

    50.9 %

    MIAX Pearl ADV (Millions)

    218

    191

    14.0 %

    205

    6.6 %

    190

    200

    -5.1 %

    MIAX Pearl Market Share

    1.0 %

    1.6 %

    -36.6 %

    1.1 %

    -7.1 %

    1.1 %

    1.7 %

    -37.1 %

    MIAX Futures Exchange 

    Trading Days

    23

    23

    21

    210

    211

    MIAX Futures ADV

    7,286

    10,315

    -29.4 %

    5,973

    22.0 %

    13,828

    12,554

    10.1 %

    1) Calculated as total volume for the period divided by total trading days for the period.

    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 www.miaxglobal.com.

    Disclaimer and Cautionary Note Regarding Forward-Looking Statements
    This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements describe future expectations, plans, results, or strategies and are generally preceded by words such as “may,” “future,” “plan” or “planned,” “will” or “should,” “expected,” “anticipates,” “draft,” “eventually” or “projected.” You are cautioned that such statements are based on management’s current expectations and are subject to a multitude of risks and uncertainties that could cause future circumstances, events, or results to differ materially from those projected in the forward-looking statements, including the risks that actual results may differ materially from those projected in the forward-looking statements. Additional risks and uncertainties that may cause actual results to differ materially include the risks and uncertainties listed in Miami International Holdings, Inc.’s (together with its subsidiaries, the Company) public filings with the Securities and Exchange Commission. In providing forward-looking statements, the Company is not undertaking any duty or obligation to update these statements publicly as a result of new information, future events or otherwise.

    All third-party trademarks (including logos and icons) referenced by the Company remain the property of their respective owners. Unless specifically identified as such, the Company’s use of third-party trademarks does not indicate any relationship, sponsorship, or endorsement between the owners of these trademarks and the Company. Any references by the Company to third-party trademarks is to identify the corresponding third-party goods and/or services and shall be considered nominative fair use under the trademark law.

    Contact:

    Investors
     investor.relations@miaxglobal.com 

    Media
     media@miaxglobal.com

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