PPL vs SRE: Correlation
How closely do PPL Corporation (PPL) and Sempra (SRE) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPL and SRE?
On 3 years of weekly data the PPL/SRE correlation comes out at 0.62, strong. Little has changed lately, as the 1-year reading of 0.69 lands near the 3-year figure. The 5-year figure is 0.68, and annualized covariance runs at 259.1 %².
By 3-year correlation, SRE places #24 of the 44 assets tracked against PPL. Over the last 12 months SRE came out ahead by 9.0 percentage points (-3.0% against +6.0%). The relationship is regime-dependent: the rolling one-year correlation swung between 0.38 and 0.88 over the past three years, so this pair behaves very differently depending on the market environment.
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.
PPL vs SRE: side by side
| PPL (PPL Corporation) | SRE (Sempra) | |
|---|---|---|
| 1-year return | -3.0% | +6.0% |
| 5-year return | +41.1% | +50.4% |
| Volatility (ann.) | 17.4% | 23.9% |
| Beta vs S&P 500 | 0.13 | 0.38 |
| Max drawdown (3Y) | -13.3% | -31.6% |
| Market cap | $25.9B | $55.4B |
| P/E (trailing) | 20.7 | 24.7 |
| Dividend yield | 3.18% | 3.06% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | PPL | SRE |
|---|---|---|
| 2022 | +0.4% | +20.3% |
| 2023 | -3.8% | -0.1% |
| 2024 | +24.0% | +21.1% |
| 2025 | +11.4% | +3.9% |
| 2026 | -0.1% | -2.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPL and SRE good diversifiers for each other?
Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PPL and SRE?
As of 2026-08-27, the correlation of weekly returns between PPL and SRE is 0.62 over 3 years, 0.69 over 1 year and 0.68 over 5 years.
Is SRE a good diversifier for PPL?
Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.62 mean?
On the −1 to +1 scale, 0.62 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ppl-vs-sre.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ppl-vs-sre/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PPL correlations · SRE correlations
