Miami International Holdings, Inc. (MIH) has announced the pricing of its initial public offering of 15,000,000 shares of its common stock at a price to the public of $23.00 per share, $2.00 above the high end of the expected price range.

The shares of common stock are expected to begin trading on the New York Stock Exchange under the ticker symbol “MIAX” on August 14, 2025. The offering is expected to close on or around August 15, 2025, subject to customary closing conditions.

MIH also has granted the underwriters a 30-day option to purchase up to an additional 2,250,000 shares of common stock at the initial public offering price, less underwriting discounts and commissions.

J.P. Morgan, Morgan Stanley and Piper Sandler are acting as lead joint bookrunning managers for the proposed offering. Keefe, Bruyette & Woods, Inc., Raymond James, William Blair and Rosenblatt are acting as joint bookrunning managers.

The offering of MIH’s shares of common stock is being made only by means of a prospectus.

A registration statement on Form S-1 relating to MIH’s common stock was declared effective by the SEC on August 13, 2025.