Miami International Holdings Announces Sale of MIAXdx to Robinhood Markets in Partnership with Susquehanna International Group

Miami International Holdings to Retain 10% Stake in the Exchange and Clearinghouse PRINCETON, N.J. and MIAMI, Nov. 25, 2025 /PRNewswire/ — Miami International Holdings, Inc. (MIAX®) (NYSE: MIAX), a technology-driven leader in building and operating regulated financial markets across…