Prnewswire·2026-01-21 11:45Core Insights - Miami International Holdings, Inc. has sold 90% of its equity in MIAX Derivatives Exchange to a joint venture formed by Robinhood Markets and Susquehanna International Group, retaining a 10% stake in the exchange [1][3] Group 1: Company Strategy and Growth - The sale of MIAXdx aligns with the company's strategy to partner with industry leaders to enhance growth opportunities and unlock value for shareholders [3] - The retained equity stake in MIAXdx allows the company to maintain exposure to the growing prediction market [3] Group 2: Market Position and Operations - MIAXdx is a Designated Contract Market and Derivatives Clearing Organization approved by the Commodity Futures Trading Commission to list and clear fully collateralized futures, options on futures, and swaps [2] - Miami International Holdings operates eight exchanges across various asset classes, including options, futures, equities, and international markets [4]