EPM vs SD: Correlation
Measured on weekly returns over the past three years, Evolution Petroleum Corporation, Inc. (EPM) and SandRidge Energy, Inc. (SD) carry a correlation of 0.59, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EPM and SD?
On 3 years of weekly data the EPM/SD correlation comes out at 0.59, moderate. The link has loosened recently: the 1-year correlation (0.44) runs below the 3-year figure (0.59). The 5-year figure is 0.59, and annualized covariance runs at 661.2 %².
Among the 10 assets we track against EPM, SD ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SD outperformed by 49.6 percentage points (-21.8% for EPM against +27.8% for SD).
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.
EPM vs SD: side by side
| EPM (Evolution Petroleum Corporation, Inc.) | SD (SandRidge Energy, Inc.) | |
|---|---|---|
| 1-year return | -21.8% | +27.8% |
| 5-year return | +28.8% | +126.2% |
| Volatility (ann.) | 34.3% | 33.0% |
| Beta vs S&P 500 | 0.50 | 0.32 |
| Max drawdown (3Y) | -55.2% | -37.9% |
| Market cap | $0.1B | $0.5B |
| P/E (trailing) | – | 6.3 |
| Dividend yield | 14.04% | 3.52% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EPM | SD |
|---|---|---|
| 2022 | +58.7% | +62.8% |
| 2023 | -17.3% | -8.2% |
| 2024 | -2.0% | -1.2% |
| 2025 | -25.2% | +28.2% |
| 2026 | +6.9% | +1.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EPM and SD good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between EPM and SD?
As of 2026-08-27, the correlation of weekly returns between EPM and SD is 0.59 over 3 years, 0.44 over 1 year and 0.59 over 5 years.
Is SD a good diversifier for EPM?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
A reading of 0.59 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: EPM correlations · SD correlations
