MMI vs STC: Correlation
Marcus & Millichap, Inc. (MMI) and Stewart Information Services Corporation (STC) show a strong relationship: their 3-year correlation of weekly returns is 0.63.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MMI and STC?
Over the past 3 years, MMI and STC moved with a correlation of 0.63, which is strong. The link has loosened recently: the 1-year correlation (0.50) runs below the 3-year figure (0.63). Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 571.4 %².
By 3-year correlation, STC places #6 of the 18 assets tracked against MMI. Their 12-month results are close: -1.3% for MMI against -1.5% for STC.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
MMI vs STC: side by side
| MMI (Marcus & Millichap, Inc.) | STC (Stewart Information Services Corporation) | |
|---|---|---|
| 1-year return | -1.3% | -1.5% |
| 5-year return | -11.7% | +29.2% |
| Volatility (ann.) | 31.5% | 28.9% |
| Beta vs S&P 500 | 0.84 | 0.74 |
| Max drawdown (3Y) | -41.7% | -24.7% |
| Market cap | $1.2B | $2.1B |
| P/E (trailing) | 85.9 | 15.3 |
| Dividend yield | 1.55% | 3.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MMI | STC |
|---|---|---|
| 2022 | -30.8% | -44.6% |
| 2023 | +28.8% | +43.3% |
| 2024 | -11.2% | +18.2% |
| 2025 | -27.6% | +7.2% |
| 2026 | +17.5% | +1.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MMI and STC good diversifiers for each other?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MMI and STC?
The MMI/STC correlation stands at 0.63 on a 3-year window (1 year: 0.50, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is STC a good diversifier for MMI?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.63 mean?
A reading of 0.63 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mmi-vs-stc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mmi-vs-stc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MMI correlations · STC correlations
