D vs SO: Correlation
Dominion Energy (D) and Southern Company (SO) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are D and SO?
On 3 years of weekly data the D/SO correlation comes out at 0.66, strong. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. The 5-year figure is 0.72, and annualized covariance runs at 224.1 %².
By 3-year correlation, SO places #9 of the 31 assets tracked against D. The last year tells two different stories: D led by 16.5 percentage points, +15.1% for D against -1.4% for SO. On a rolling one-year basis the correlation drifted between 0.42 and 0.79, a moderate band.
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.
D vs SO: side by side
| D (Dominion Energy) | SO (Southern Company) | |
|---|---|---|
| 1-year return | +15.1% | -1.4% |
| 5-year return | +6.1% | +62.6% |
| Volatility (ann.) | 20.5% | 16.5% |
| Beta vs S&P 500 | 0.18 | -0.02 |
| Max drawdown (3Y) | -19.1% | -15.0% |
| Market cap | $58.5B | $102.4B |
| P/E (trailing) | 23.2 | 21.7 |
| Dividend yield | 3.99% | 3.32% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | D | SO |
|---|---|---|
| 2022 | -19.1% | +8.2% |
| 2023 | -19.1% | +2.2% |
| 2024 | +20.4% | +21.7% |
| 2025 | +14.0% | +9.5% |
| 2026 | +15.9% | +4.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are D and SO good diversifiers for each other?
To a limited degree. At 0.66 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 D and SO?
The D/SO correlation stands at 0.66 on a 3-year window (1 year: 0.58, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is SO a good diversifier for D?
To a limited degree. At 0.66 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 0.66 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
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Related comparisons
Hubs: D correlations · SO correlations
