05:50 AM EDT, 08/14/2025 (MT Newswires) -- Miami International ( MIAX ) said late Wednesday it priced its initial public offering of 15 million common shares at $23 per share.

The underwriters have been granted a 30-day option to purchase up to 2.3 million additional shares.

Closing of the offering is expected to occur on or around Aug. 15, subject to customary closing conditions.

Shares of the financial markets operator are expected to debut on the New York Stock Exchange on Aug. 14 under the ticker "MIAX."