AAL vs EPSN: Correlation
How closely do American Airlines Group, Inc. (AAL) and Epsilon Energy Ltd. (EPSN) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AAL and EPSN?
Across a 3-year window, the weekly returns of AAL and EPSN correlate at -0.25, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.43 versus -0.25 over 3 years. Stretching to 5 years gives -0.06, with an annualized covariance of -349.2 %².
By 3-year correlation, EPSN places #16 of the 22 assets tracked against AAL. Twelve-month performance is nearly a tie, at +4.5% for AAL and +4.6% for EPSN.
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.
AAL vs EPSN: side by side
| AAL (American Airlines Group, Inc.) | EPSN (Epsilon Energy Ltd.) | |
|---|---|---|
| 1-year return | +4.5% | +4.6% |
| 5-year return | -29.7% | +42.0% |
| Volatility (ann.) | 45.3% | 31.1% |
| Beta vs S&P 500 | 1.29 | 0.12 |
| Max drawdown (3Y) | -51.4% | -48.1% |
| Market cap | $9.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 4.28% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AAL | EPSN |
|---|---|---|
| 2022 | -29.2% | +21.4% |
| 2023 | +8.0% | -19.5% |
| 2024 | +26.9% | +28.2% |
| 2025 | -12.0% | -22.1% |
| 2026 | -10.5% | +30.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AAL and EPSN good diversifiers for each other?
Yes. With a correlation of -0.25, AAL and EPSN have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AAL and EPSN?
The AAL/EPSN correlation stands at -0.25 on a 3-year window (1 year: -0.43, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is EPSN a good diversifier for AAL?
Yes. With a correlation of -0.25, AAL and EPSN have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.25 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/aal-vs-epsn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aal-vs-epsn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AAL correlations · EPSN correlations
