MKL vs UNM: Correlation
How closely do Markel Group Inc. (MKL) and Unum Group (UNM) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MKL and UNM?
Across a 3-year window, the weekly returns of MKL and UNM correlate at 0.54, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.23 versus 0.54 over 3 years. Stretching to 5 years gives 0.46, with an annualized covariance of 268.3 %².
Among the 12 assets we track against MKL, UNM ranks #5 by 3-year correlation. The last year tells two different stories: UNM led by 44.0 percentage points, -7.8% for MKL against +36.2% for UNM.
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.
MKL vs UNM: side by side
| MKL (Markel Group Inc.) | UNM (Unum Group) | |
|---|---|---|
| 1-year return | -7.8% | +36.2% |
| 5-year return | +43.0% | +305.6% |
| Volatility (ann.) | 21.0% | 23.8% |
| Beta vs S&P 500 | 0.44 | 0.49 |
| Max drawdown (3Y) | -20.1% | -17.9% |
| Market cap | $22.4B | $14.6B |
| P/E (trailing) | 10.0 | 21.3 |
| Dividend yield | 0.00% | 2.06% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MKL | UNM |
|---|---|---|
| 2022 | +6.8% | +73.6% |
| 2023 | +7.8% | +13.7% |
| 2024 | +21.6% | +66.3% |
| 2025 | +24.5% | +8.6% |
| 2026 | -16.0% | +21.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MKL and UNM good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MKL and UNM?
The MKL/UNM correlation stands at 0.54 on a 3-year window (1 year: 0.23, 5 years: 0.46), computed from weekly returns as of 2026-08-27.
Is UNM a good diversifier for MKL?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
A reading of 0.54 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/mkl-vs-unm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mkl-vs-unm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MKL correlations · UNM correlations
