Miami International Holdings Reports Q3 2026 Results

The company saw revenue climb 20 percent as it updated its expense guidance for the remainder of the 2026 fiscal year.

Updated on Oct. 30, 2026 in Corporate Finance

Bold flat-color editorial illustration featuring stacked, abstract navy and cream architectural blocks, evoking institutional financial structure and growth. — Miami International Holdings reported a 20 percent increase in net revenue for the third quarter of 2026, reaching $131 million. AI Illustration. Upload story photo >

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Miami International Holdings reported total net revenue of $131 million for Q3 2026, marking a 20% year-over-year increase. The firm also achieved a GAAP net income of $52.5 million for the quarter ending September 30, 2026.

Why it matters

The performance was largely driven by robust options business volume and growth in non-transaction revenue sources. This financial momentum has prompted the firm to issue updated expense projections for the full 2026 fiscal year.

The company posted $70.8 million in adjusted EBITDA, resulting in a 54% margin. Total operating expenses reached $83.8 million, while GAAP diluted earnings per share landed at $0.47 for the period.

The players

Miami International Holdings

This corporation operates a series of financial exchanges based in Miami that focus on options and equities trading.

The details

Growth in revenue was supported by an average daily volume of 11.1 million options contracts and a 17.4% total market share. Operating costs declined compared to the prior year, primarily due to the exclusion of expenses associated with the 2025 initial public offering.

Q3 2025 served as the prior-year period for financial comparison.
Q3 2026 represents the primary reporting period for these results.
Full-year 2026 is the timeframe for the updated expense guidance.

Market Dynamics

The firm is navigating a shift in operational maturity as it moves further past the significant costs incurred during the 2025 initial public offering. This evolution positions the company to compete more aggressively in the high-volume options trading sector against established exchange groups.

The company's financial performance reflects broader industry volume trends that influence the stability and service fees of the exchange platforms. Shareholders and participants in options trading may see the updated expense guidance as an indicator of the firm's long-term operational efficiency.

The takeaway

Steady options market share remains a critical indicator of competitive health for financial exchanges. Investors often look for the transition from IPO-related spending to sustainable operational margins as a sign of long-term value.