Miami International Holdings, Inc. 8-K

PositiveEarningsGuidanceImpairment / chargeLegal / investigation

Volatility-driven options trading and higher fees lift MIAX net revenue to a record $141M; FY2026 adjusted operating expense outlook cut.

Filed 2026-08-05 16:14 ET

Summary

Q2 2026 results with updated FY2026 expense guidance. Record net revenue rose 35% Y/Y to $141M, driven mainly by options activity and higher non-transaction fees as market volatility lifted trading volumes.

For FY2026, MIAX lowered its adjusted operating expense outlook and raised its share-based compensation and depreciation and amortization outlooks; capital expenditure and adjusted effective tax rate outlooks were reaffirmed.

Developments

  • MIAX options exchanges handled 11.0M contracts per day on average, up 25.3% Y/Y; market share was 16.5%, vs 16.7% a year earlier.
  • Launched Tini B100 Index Futures, Tini B500 Index Futures and B500 Index Futures during the quarter.

Results with guidance

MetricFY2026 guide
Capital expenditures$40M-$45Mreaffirmed from $40M-$45M
Share-based compensation expense$29M-$32Mraised from $27M-$30M
Depreciation and amortization expense$35M-$39Mraised from $33M-$38M
Adjusted operating expenses (non-GAAP)$260M-$270Mlowered from $265M-$275M
Adjusted effective tax rate post valuation allowance release (non-GAAP)27%-29%reaffirmed from 27%-29%

Results without guidance

MetricQ2 2026ChangeH1 2026
Revenue$141M+35% Y/Y—
Operating income$27.8M+2% Y/Y—
Net income$44.2M+88% Y/Y—
Diluted EPS$0.40+33% Y/Y—
Cash and cash equivalents$660M——
Total debt$1.51M——
Diluted shares111M+41% Y/Y110M+41% Y/Y

What moved the numbers

  • Adjusted EBITDA, a non-GAAP measure, was $76.8M, up 57% Y/Y; adjusted EBITDA margin was 54%, vs 47%.
  • Options net revenue, defined as revenue less cost of revenue, rose 34% Y/Y to $124.4M. Higher industry volume and revenue per contract supported transaction fees, while member connections, fee increases, expired fee waivers and new market data products lifted non-transaction fees. Options operating income was $64.9M, up 10% Y/Y, partly offset by a $22.5M litigation settlement charge.
  • Equities net revenue rose 27% Y/Y to $5.5M, and its operating loss narrowed to $2.3M from $3.1M. Futures net revenue was $5.1M, up 2% Y/Y, with an operating loss of $12.7M vs $12.8M. International net revenue rose 151% Y/Y to $5.7M, largely reflecting the TISE acquisition; operating income was $1.1M vs a $1.2M loss.
  • Operating expenses rose to $113.3M from $77.4M, including a $30M litigation settlement and planned investment in headcount and technology. A $15.4M income tax benefit, primarily reflecting a $22.4M discrete benefit related to share-based compensation, contributed to net income growth while operating income was nearly flat.
  • Cash and cash equivalents were $660.5M at 6/30/2026; total debt was $1.5M.

Figures extracted from the filings and checked against their text; changes and verdicts computed from them.

This summary is based on our transcription of the company's slides (EX-99.1), read by an AI model from the slide images.

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Model 005 · prompt v189 · 2026-11-06 15:45:34Z

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