PRINCETON, N.J. and MIAMI, Nov. 5, 2025 /PRNewswire/ -- Miami International Holdings, Inc. (MIH) (NYSE: MIAX), a technology-driven leader in building and operating regulated financial markets across multiple asset classes, today announced results for the third quarter ended September 30, 2025. "MIH produced strong results in the third quarter while also executing on a successful initial public offering, driven by our team's focus on providing customers with best-in-class technology, reliability and risk pro ...