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Miami International Holdings vs Marketaxess Holdings

Miami International Holdings is the larger business, with $1.36bn of revenue in fiscal 2025 against $846m for Marketaxess Holdings (1.6 times as much). Miami International Holdings grew faster (19.6% against 3.6%). Marketaxess Holdings kept more of each dollar of sales as profit: a net margin of 29.1% against -5.1%. Miami International Holdings carries less debt relative to equity (0.2% against 19.2%).

Latest fiscal yearMiami International HoldingsMIAX, 2025Marketaxess HoldingsMKTX, 2025
Revenue $1.36bn $846m
Revenue growth 19.6% 3.6%
Net income −$70.0m $247m
Operating margin 6.7% 40.4%
Net margin -5.1% 29.1%
Return on equity -11.2% 19.5%
Free cash flow $145m $374m
Cash $434m $520m
Total debt $1.5m $220m
Debt to equity 0.2% 19.2%
Dividend per share — $3.04
Dividend yield — 1.9%
Share buybacks $21.8m $420m
Employees — 868
Market value $3.40bn $5.82bn
Price vs our value range — —
Moat score — 90 (Strong)
Insider trades, 12 months 4 buys, 71 sales 0 buys, 12 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.