MUSA vs WMK: Correlation
How closely do Murphy USA Inc. (MUSA) and Weis Markets, Inc. (WMK) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MUSA and WMK?
Across a 3-year window, the weekly returns of MUSA and WMK correlate at 0.31, moderate. The link has loosened recently: the 1-year correlation (0.20) runs below the 3-year figure (0.31). Stretching to 5 years gives 0.31, with an annualized covariance of 273.0 %².
Among the 15 assets we track against MUSA, WMK ranks #4 by 3-year correlation. The last year tells two different stories: MUSA led by 38.2 percentage points, +35.3% for MUSA against -2.9% for WMK.
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.
MUSA vs WMK: side by side
| MUSA (Murphy USA Inc.) | WMK (Weis Markets, Inc.) | |
|---|---|---|
| 1-year return | +35.3% | -2.9% |
| 5-year return | +234.8% | +36.2% |
| Volatility (ann.) | 33.7% | 26.2% |
| Beta vs S&P 500 | 0.06 | 0.07 |
| Max drawdown (3Y) | -35.5% | -29.4% |
| Market cap | $9.4B | – |
| P/E (trailing) | 16.3 | 17.6 |
| Dividend yield | 0.46% | 1.92% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MUSA | WMK |
|---|---|---|
| 2022 | +41.0% | +27.1% |
| 2023 | +28.2% | -20.8% |
| 2024 | +41.3% | +8.0% |
| 2025 | -19.1% | -3.6% |
| 2026 | +26.7% | +11.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MUSA and WMK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MUSA and WMK?
The MUSA/WMK correlation stands at 0.31 on a 3-year window (1 year: 0.20, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is WMK a good diversifier for MUSA?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.31 mean?
A reading of 0.31 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/musa-vs-wmk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/musa-vs-wmk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MUSA correlations · WMK correlations
