Miami International (MIAX) vs MarketAxess (MKTX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
MarketAxess (MKTX) has outperformed Miami International (MIAX) over the past year, losing 4.5% versus a loss of 31.3%. MarketAxess is the larger company by market cap ($5.79 billion vs $3.07 billion), about 1.9 times the size, while Miami International is growing revenue faster (+19.6% vs +3.6%). On valuation, Miami International trades at a lower forward P/E (16.4x vs 18.8x for MarketAxess).
MarketAxess pays a dividend yielding 1.87%, while Miami International does not currently pay one. MarketAxess converts more of its revenue into profit, with a net margin of 29.1% versus -5.1%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | MIAX | MKTX |
|---|---|---|
| Share price | $30.89 | $164.50 |
| Market cap | $3.07B | $5.79B |
| 1-day change | +0.62% | +0.12% |
| YTD return | -30.82% | -9.35% |
| 1-year return | -31.27% | -4.54% |
| 5-year return | — | -59.51% |
| P/E ratio (TTM) | 30.89 | 19.44 |
| Forward P/E | 16.35 | 18.80 |
| EPS (TTM) | $1.00 | $8.46 |
| Dividend yield | 0.00% | 1.87% |
| Annual dividend | $0.00 | $3.08 |
| Revenue (latest FY) | $1.36B | $846.27M |
| Revenue growth (YoY) | +19.65% | +3.57% |
| Net income (latest FY) | $-70.03M | $246.63M |
| Gross margin | 31.56% | — |
| Operating margin | 6.74% | 40.39% |
| Net margin | -5.13% | 29.14% |
| 52-week high | $57.14 | $195.97 |
| 52-week low | $29.21 | $108.75 |
| Distance from 52-week high | -45.94% | -16.06% |
| Analyst consensus | buy | none |
| Avg. price target upside | +57.98% | -3.95% |
| Average volume | 1.51M | 1.05M |
| Shares outstanding | 99.23M | 35.20M |
| Employees | 439 | 863 |
| Sector | Finance | Finance |
| Industry | Investment Bankers/Brokers/Service | Investment Bankers/Brokers/Service |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- MKTX has outperformed MIAX by 26.7 percentage points over the past year.
- Miami International trades at a higher earnings multiple (30.9x vs 19.4x trailing P/E).
- MarketAxess offers a meaningfully higher dividend yield (1.87% vs 0.00%).
- MarketAxess is more profitable, keeping 29.1 cents of every revenue dollar as net income versus -5.1 cents for Miami International.
- Miami International grew revenue faster in its latest fiscal year (+19.65% vs +3.57%).
About Miami International
MIAX stock →Miami International Holdings, Inc., through its subsidiaries, builds and operates various financial marketplaces in the United States. It operates through Options, Equities, and International segments.
Finance · Investment Bankers/Brokers/Service · 439 employees
About MarketAxess
MKTX stock →MarketAxess Holdings Inc., together with its subsidiaries, operates an electronic trading platform for institutional investor and broker-dealer firms in the United States, the United Kingdom, and internationally. The company offers trading technology to access liquidity on its platforms in U.S.
Finance · Investment Bankers/Brokers/Service · 863 employees
MIAX vs MKTX FAQ
Which is bigger, Miami International or MarketAxess?
MarketAxess (MKTX) is larger, with a market capitalization of $5.79B compared with $3.07B for Miami International (MIAX).
Which stock has performed better over the past year, MIAX or MKTX?
MKTX returned -4.54% over the past 12 months, compared with -31.27% for MIAX (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, MIAX or MKTX?
MKTX has the lower trailing P/E at 19.4, versus 30.9 for MIAX. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Miami International or MarketAxess?
MarketAxess pays a dividend yielding 1.87%, while Miami International does not currently pay a regular dividend.
Are Miami International and MarketAxess in the same industry?
Yes. Both are classified in the Investment Bankers/Brokers/Service industry within the Finance sector.