MIAX, as the company is known, raised $345 million in a heavily oversubscribed deal that priced above the marketed range of $19 to $21 apiece. The trading gives MIAX a market value of $2.4 billion based on the outstanding shares listed in its filings.

By Arasu Kannagi Basil, Anirban Sen and Rishab Shaju NEW YORK (Reuters) -Shares of Miami International Holdings jumped 38% from their initial public offering price, valuing the exchange operator at about $2.

Miami International Holdings (MIAX) shares opened trading at $31.00 per share, jumping from its IPO price of $23, in its public markets debut on Thursday.