MIAX Announces Sale of Majority Stake in MIAXdx to Robinhood and Susquehanna International Group

27 November 2025 | Thursday | News

The transaction enhances MIAX’s access to emerging prediction markets and reinforces collaborative opportunities across regulated derivatives trading and clearing.
Picture Courtesy | Public Domain

Picture Courtesy | Public Domain

Miami International Holdings, Inc., a technology-driven leader in building and operating regulated financial markets across multiple asset classes, announced it has entered into an agreement to sell 90% of the issued and outstanding equity in MIAX Derivatives Exchange (MIAXdx™), a wholly owned subsidiary of MIAX, to Robinhood Markets, Inc. (Robinhood) (NASDAQ: HOOD) in partnership with Susquehanna International Group. MIAX will retain the remaining 10% of the issued and outstanding equity of MIAXdx.

MIAXdx is a Designated Contract Market (DCM) and Derivatives Clearing Organization (DCO) with regulatory approval from the Commodity Futures Trading Commission (CFTC) to list and clear fully collateralized futures, options on futures and swaps.

"Through our retained equity stake, the transaction announced today will provide MIAX with access to the growing prediction markets on an expedited basis," said Thomas P. Gallagher, Chairman and Chief Executive Officer of MIAX. "The transaction with Robinhood closely aligns with our strategy of partnering with industry leaders to offer innovative trading products to the market, and we're excited about the opportunity to gain exposure to prediction markets through this initiative. The transaction represents a logical step forward for MIAX as we continue to focus on strategic growth opportunities within our core exchanges."

"We're excited to continue working with MIAX as investors in this exchange," said JB Mackenzie, VP and GM of Futures and International at Robinhood. "MIAX is a market leading exchange operator and we look forward to exploring future partnership opportunities to deliver products that meet the needs of Robinhood's customers."

 

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