ETR vs PPL: Correlation
Entergy (ETR) and PPL Corporation (PPL) show a strong relationship: their 3-year correlation of weekly returns is 0.73.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ETR and PPL?
On 3 years of weekly data the ETR/PPL correlation comes out at 0.73, strong. Recent behaviour matches the longer record: 0.73 over 1 year against 0.73 over 3. The 5-year figure is 0.74, and annualized covariance runs at 251.9 %².
Within ETR's tracked universe of 38 assets, PPL comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ETR outperformed by 24.9 percentage points (+21.9% for ETR against -3.0% for PPL). The rolling one-year correlation stayed in a tight band between 0.64 and 0.86 over the past three years, which points to a structural rather than episodic relationship.
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 PPL: side by side
| ETR (Entergy) | PPL (PPL Corporation) | |
|---|---|---|
| 1-year return | +21.9% | -3.0% |
| 5-year return | +132.0% | +41.1% |
| Volatility (ann.) | 19.7% | 17.4% |
| Beta vs S&P 500 | 0.22 | 0.13 |
| Max drawdown (3Y) | -10.6% | -13.3% |
| Market cap | $49.7B | $25.9B |
| P/E (trailing) | 27.2 | 20.7 |
| Dividend yield | 2.35% | 3.18% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | ETR | PPL |
|---|---|---|
| 2022 | +3.6% | +0.4% |
| 2023 | -6.1% | -3.8% |
| 2024 | +56.0% | +24.0% |
| 2025 | +25.3% | +11.4% |
| 2026 | +17.3% | -0.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ETR and PPL good diversifiers for each other?
To a limited degree. At 0.73 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 ETR and PPL?
Using weekly returns as of 2026-08-27: 0.73 over 3 years, with 0.73 over the last year and 0.74 over 5 years.
Is PPL a good diversifier for ETR?
To a limited degree. At 0.73 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 0.73 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-ppl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/etr-vs-ppl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ETR correlations · PPL correlations
