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NYSE · MIAXFinancialsSecurities & Investments

Miami International Holdings, Inc. (MIAX)

$34.90+3.07%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$33.86▼ 25.65% in range
Nov 3, 2025Low $29.55 · High $56.84Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Miami International Holdings closed at $34.90 on Nov 4, up 3.07%, 38.6% below its 52-week closing high. Volume of 649.5K shares was 0.38× its 20-day average (below normal).

Split-adjusted performance: +13.3% over one month, -26.8% over six months, -23.4% over one year.

In the quarter ended Sep 30, 2026, revenue was $376.18M, up 10.7% from a year earlier, with a net margin of 13.9%.

Short interest was 8.0M shares at the Oct 15 settlement, down 10.3% from the prior report (10.3% of float, 3.7 days to cover).

Market cap$3.49B99.9M shares
Revenue · quarter$376.2M+10.7% YoY
Diluted EPS$0.47—
P/E · TTM11.8×P/S 2.3×
Net margin13.9%Gross 34.8%
Dividend yieldNone
52-week range29.55 – 56.84−38.6% from high
Volume649.5K0.38× 20-day avg
Volatility · 60d46.5%Annualised
Short % of float10.3%3.7 days to cover
Net cash$697.3MCash $698.9M
Next earnings—Not scheduled
Split-adjusted performance
1W +9.1%1M +13.3%3M −23.2%6M −26.8%YTD −21.4%1Y −23.4%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Securities & Investments

Percentile among 80 companies (100 = best)

6-month momentum8
Revenue growth39
Net margin55
Value (low P/E)78
Size37

Industry medians: 6-month return +2.4%, revenue growth +12.2%, net margin 13.3%, P/E 20.3×.

Short interest

Details →
Shares short8.0M−10.3% vs prior
Days to cover3.7Settled Oct 15
% of float10.3%
Short vol. 10d52.8%of daily volume

Closest peers by size in Securities & Investments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
MIAXMiami International Holdings$34.90+3.07%−26.8%+10.7%13.9%11.8$3.49B
ABAllianceBernstein Holding, L.P.$35.41+1.01%−11.5%+1.5%89.6%10.4$3.25BCompare
AAMIAcadian Asset Management$90.67+3.20%+33.6%+45.3%14.7%31.7$3.22BCompare
STEPStepStone Group$46.74+5.32%−12.8%+4.0%−30.6%—$3.85BCompare
CNSCohen & Steers$76.61+4.80%+8.6%+11.1%26.8%23.3$3.94BCompare
LAZLazard$40.59+5.90%−12.8%+8.7%3.3%22.4$3.96BCompare
WTWisdomTree$19.96+1.11%+4.7%+57.3%25.0%37.6$3.02BCompare
PJTPJT Partners$158.43+8.08%+4.1%+19.5%9.4%20.3$4.05BCompare
APAMARTISAN PARTNERS ASSET MANAGEMENT$40.37+4.45%+6.7%+3.7%22.1%10.2$2.87BCompare

News about Miami International Holdings

All news →
Compared to Estimates, Miami International Holdings, Inc. (MIAX) Q3 Earnings: A Look at Key MetricsZacks Investment Research · 6d ago▲ PositiveMiami International Holdings, Inc. (MIAX) Beats Q3 Earnings and Revenue EstimatesZacks Investment Research · 6d agoNeutralHamilton Global Opportunities plc (ALHGO.PA) published its 2025 full-year financial results and activity reportGlobeNewswire Inc. · Apr 21, 2026▲ PositiveHamilton Global Opportunities plc (ALHGO.PA) annonce ses résultats financiers 2025 et la publication de son rapport financier annuelGlobeNewswire Inc. · Apr 21, 2026▲ Positive

Quick answers

What does Miami International Holdings do?
Miami International Holdings Inc is engaged in operating regulated financial marketplaces across multiple asset classes using proprietary technology platforms. The company operates exchange markets for options, equities, futures, and international listings through its MIAX Exchanges, MIAX Futures Exchange, and the Bermuda Stock Exchange.
What is MIAX's market cap?
$3.49B, based on the Nov 4 close of $34.90.
What is MIAX's P/E ratio?
11.8× trailing-twelve-month earnings of $296.85M.
Does Miami International Holdings pay a dividend?
No regular cash dividend has been paid in the last year.
How much of MIAX is sold short?
8.0M shares, 10.3% of float, as of Oct 15, 2026.
What sector is MIAX in?
Financials, in the Securities & Investments industry.

About Miami International Holdings

Miami International Holdings Inc is engaged in operating regulated financial marketplaces across multiple asset classes using proprietary technology platforms. The company operates exchange markets for options, equities, futures, and international listings through its MIAX Exchanges, MIAX Futures Exchange, and the Bermuda Stock Exchange. The company operates through four reportable segments: Options, which provides trading and market data services for listed equity and ETP options; Equities, which provides trading services for U.S. equities and ETPs; Futures, which provides futures trading and clearing services through MIAX Futures; and International, which provides listing services for capital market instruments through the Bermuda Stock Exchange and The International Stock Exchange.

HQ: Princeton, NJ439 employeesListed Aug 14, 2025miaxglobal.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology