SRE vs VST: Correlation
Measured on weekly returns over the past three years, Sempra (SRE) and Vistra Corp. (VST) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SRE and VST?
Over the past 3 years, SRE and VST moved with a correlation of 0.35, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.49 versus 0.35 over 3 years. Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 439.6 %².
By 3-year correlation, VST places #18 of the 30 assets tracked against SRE. Correlation aside, the last 12 months split them widely, with SRE ahead by 33.8 points (+6.0% versus -27.8%). The relationship is regime-dependent: the rolling one-year correlation swung between 0.02 and 0.55 over the past three years, so this pair behaves very differently depending on the market environment. Risk is not evenly split, since VST carries 2.2 times the volatility of the other side.
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.
SRE vs VST: side by side
| SRE (Sempra) | VST (Vistra Corp.) | |
|---|---|---|
| 1-year return | +6.0% | -27.8% |
| 5-year return | +50.4% | +713.7% |
| Volatility (ann.) | 23.9% | 52.8% |
| Beta vs S&P 500 | 0.38 | 1.62 |
| Max drawdown (3Y) | -31.6% | -48.8% |
| Market cap | $55.4B | $46.9B |
| P/E (trailing) | 24.7 | 23.6 |
| Dividend yield | 3.06% | 0.65% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | SRE | VST |
|---|---|---|
| 2022 | +20.3% | +5.1% |
| 2023 | -0.1% | +70.7% |
| 2024 | +21.1% | +261.5% |
| 2025 | +3.9% | +17.7% |
| 2026 | -2.6% | -13.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SRE and VST good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between SRE and VST?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.49 over the last year and 0.37 over 5 years.
Is VST a good diversifier for SRE?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/sre-vs-vst.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/sre-vs-vst/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SRE correlations · VST correlations
