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MIAX reported Third Quarter 2026 results. The stock moved +7.0% on the print.
MIAXearnings

Miami International Holdings, Inc. (MIAX) Q3 FY2026 earnings

October 30, 2026 · SharpeIQ Research Desk

Reported results

  • Net revenue (revenues less cost of revenues) grew 20% year-over-year to $131.0 million.
  • GAAP net income attributable to MIH stockholders was $52.5 million for Q3 2026, compared to a net loss of $102.1 million in Q3 2025.
  • Q3 2026 GAAP diluted EPS was $0.47, compared to $(1.46) in Q3 2025.
  • Operating income was $47.2 million for Q3 2026, compared to an operating loss of $0.3 million in Q3 2025.
  • Q3 2026 non-GAAP Adjusted EBITDA increased 47% year-over-year to $70.8 million, with a non-GAAP Adjusted EBITDA margin of 54%.
  • Non-GAAP Adjusted diluted EPS was $0.45 for Q3 2026, compared to $0.42 in Q3 2025.

Guidance

  • Full-year 2026 adjusted operating expenses are expected to be between $254 million and $257 million.
  • Full-year 2026 share-based compensation expense is expected to be between $30 million and $32 million.
  • Full-year 2026 capital expenditures, including capitalization of internally developed software, are expected to be between $43 million and $46 million.
  • Full-year 2026 depreciation and amortization expense is expected to be between $36 million and $38 million.
  • Full-year 2026 adjusted effective tax rate post valuation allowance release is expected to be between 26% and 28%.

Price and volatility reaction

The stock moved +7.0% on the print. No front-expiry chain was on file, so there is no straddle expected move. 30-day ATM implied volatility moved -5.6 vol points across the event (constant-maturity series — not the front-week crush).

MeasureValueBasis
Close before release31.442026-10-29
Close after release33.632026-10-30
Realised move+7.0%close to close
30d ATM IV change-5.6 vol ptsconstant-maturity series, not the front expiry
Price and volatility reaction. Closes either side of the release. No front-expiry chain on file for a straddle expected move. SharpeIQ — listed option chain and price_history

Source

The figures above come from the earnings release the company filed with the SEC on 2026-10-29 (8-K, Item 2.02). Read the original filing on sec.gov.

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