Miami International Holdings, the parent of exchange operator MIAX, will begin trading on the NYSE later on Thursday, becoming the first U.S. financial exchange to go public in 15 years. The Princeton,

In a rare move in the financial exchange world, Miami International, the parent company of the MIAX exchange, is coming public and is expected to start trading on the New York Stock Exchange as soon as Aug.

Miami International Holdings (MIAX) soared 37.6% in its NYSE debut, hitting a $2.51B valuation as investors bet on its options trading dominance, expanding product portfolio, and strong financial growth.