Miami International
MIAXNYSE United StatesFinanceInvestment Bankers/Brokers/Service
Market cap
$3.447 B
$34.45 -1.49%
Close of 6 Nov 2026
As of 6 Nov 2026, Miami International (MIAX) has a market capitalization of $3.45B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
$1.36B
#1345 by revenue
Earnings
-$70.0M
Loss-making
Shares outstanding
100,056,866
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Investment Bankers/Brokers/Service, ranked by market cap
All 69 →- #26Marex GroupMRX$4.82B
- #27Piper Sandler CompaniesPIPR$4.75B
- #28Miami InternationalMIAX$3.45B
- #29BlackRock Enhanced Large Cap Core FundCII$3.40B
- #30WisdomTreeWT$2.89B
What if Miami International were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Miami International are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.