ETR vs EXC: Correlation
How closely do Entergy (ETR) and Exelon (EXC) trade together? Their weekly returns over three years give a correlation of 0.69, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ETR and EXC?
Over the past 3 years, ETR and EXC moved with a correlation of 0.69, which is strong. The relationship has been stable: the 1-year correlation (0.77) sits close to the 3-year figure. Over 5 years the correlation is 0.71, and the annualized covariance of weekly returns is 263.9 %².
By 3-year correlation, EXC places #15 of the 38 assets tracked against ETR. Correlation aside, the last 12 months split them widely, with ETR ahead by 20.2 points (+21.9% versus +1.7%). The rolling one-year correlation moved between 0.42 and 0.81 over the past three years, a moderate range.
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.
ETR vs EXC: side by side
| ETR (Entergy) | EXC (Exelon) | |
|---|---|---|
| 1-year return | +21.9% | +1.7% |
| 5-year return | +132.0% | +48.1% |
| Volatility (ann.) | 19.7% | 19.4% |
| Beta vs S&P 500 | 0.22 | -0.05 |
| Max drawdown (3Y) | -10.6% | -18.9% |
| Market cap | $49.7B | $45.3B |
| P/E (trailing) | 27.2 | 16.3 |
| Dividend yield | 2.35% | 3.69% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | ETR | EXC |
|---|---|---|
| 2022 | +3.6% | +8.3% |
| 2023 | -6.1% | -14.0% |
| 2024 | +56.0% | +9.2% |
| 2025 | +25.3% | +20.0% |
| 2026 | +17.3% | +2.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ETR and EXC good diversifiers for each other?
Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ETR and EXC?
Using weekly returns as of 2026-08-27: 0.69 over 3 years, with 0.77 over the last year and 0.71 over 5 years.
Is EXC a good diversifier for ETR?
Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.69 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/etr-vs-exc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/etr-vs-exc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ETR correlations · EXC correlations
