EPSN vs SM: Correlation
Measured on weekly returns over the past three years, Epsilon Energy Ltd. (EPSN) and SM Energy Company (SM) carry a correlation of 0.54, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EPSN and SM?
Over the past 3 years, EPSN and SM moved with a correlation of 0.54, which is moderate. Little has changed lately, as the 1-year reading of 0.59 lands near the 3-year figure. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 806.6 %².
Few assets follow EPSN as closely as SM, which ranks #3 of 13 tracked partners. Correlation aside, the last 12 months split them widely, with SM ahead by 31.5 points (+4.6% versus +36.1%). One caveat on sizing: SM is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
EPSN vs SM: side by side
| EPSN (Epsilon Energy Ltd.) | SM (SM Energy Company) | |
|---|---|---|
| 1-year return | +4.6% | +36.1% |
| 5-year return | +42.0% | +114.6% |
| Volatility (ann.) | 31.1% | 47.6% |
| Beta vs S&P 500 | 0.12 | 0.44 |
| Max drawdown (3Y) | -48.1% | -64.9% |
| Market cap | $0.2B | $8.8B |
| P/E (trailing) | – | 6.3 |
| Dividend yield | 4.28% | 2.32% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EPSN | SM |
|---|---|---|
| 2022 | +21.4% | +18.6% |
| 2023 | -19.5% | +13.1% |
| 2024 | +28.2% | +1.8% |
| 2025 | -22.1% | -49.7% |
| 2026 | +30.2% | +99.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EPSN and SM good diversifiers for each other?
To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between EPSN and SM?
The EPSN/SM correlation stands at 0.54 on a 3-year window (1 year: 0.59, 5 years: 0.52), computed from weekly returns as of 2026-08-27.
Is SM a good diversifier for EPSN?
To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.54 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/epsn-vs-sm.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/epsn-vs-sm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EPSN correlations · SM correlations