As of December 2025 Miami International Holdings has a market cap of โน322.33 Billion. This makes Miami International Holdings the world's 3621th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 5th, 2025 the market cap of Miami International Holdings was reported to be: