Exchange Operator MIAX Files for Long-Awaited US IPO

Miami International plans for its shares to trade on the New York Stock Exchange under the symbol MIAX. 

Photographer: Michael Nagle/Bloomberg

Miami International Holdings Inc. has filed for an initial public offering in the US, joining a list of firms moving ahead with a public listing.

The exchange operator, also known as MIAX, had net income of $102 million on revenue of $1.14 billion in 2024, compared with net loss of $21 million on revenue of $1.04 billion in 2023, according to its filing on Friday with the US Securities and Exchange Commission.