Miami International Holdings, Inc. (MIAX)
NYSE: MIAX · Real-Time Price · USD
33.98
-1.01 (-2.89%)
At close: Oct 23, 2026, 4:00 PM EDT
34.65
+0.67 (1.97%)
After-hours: Oct 23, 2026, 4:49 PM EDT
MIAX Market Cap
MIAX has a market cap or net worth of $3.37 billion as of October 23, 2026. It is the 4,629th most valuable company in the world and the 1,412th biggest in the United States. Its market cap has decreased by 6.36% in one year.
Market Cap
3.37B
Enterprise Value
2.69B
1-Year Change
-6.36%
Global Rank
Country Rank
#1,412 United States
Category
ChartMarket Cap Chart
Since the IPO on August 14, 2025, MIAX's market cap has increased from $1.83B to $3.37B, an increase of 84.56%. That is a compound annual growth rate of 67.23%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 23, 2026 | 3.37B | -11.06% |
| Dec 31, 2025 | 3.79B | 107.51% |
| Aug 14, 2025 | 1.83B | - |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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