DTE vs SO: Correlation
DTE Energy (DTE) and Southern Company (SO) show a strong relationship: their 3-year correlation of weekly returns is 0.76.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DTE and SO?
Across a 3-year window, the weekly returns of DTE and SO correlate at 0.76, strong. The relationship has been stable: the 1-year correlation (0.84) sits close to the 3-year figure. Stretching to 5 years gives 0.81, with an annualized covariance of 215.0 %².
Within DTE's tracked universe of 44 assets, SO comes in at #9 by 3-year correlation. Neither side won the trailing year by much: +1.7% against -1.4%. Across three years, the rolling one-year figure varied moderately, from 0.50 to 0.85.
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.
DTE vs SO: side by side
| DTE (DTE Energy) | SO (Southern Company) | |
|---|---|---|
| 1-year return | +1.7% | -1.4% |
| 5-year return | +33.3% | +62.6% |
| Volatility (ann.) | 17.1% | 16.5% |
| Beta vs S&P 500 | 0.07 | -0.02 |
| Max drawdown (3Y) | -12.4% | -15.0% |
| Market cap | $28.3B | $102.4B |
| P/E (trailing) | 21.8 | 21.7 |
| Dividend yield | 3.39% | 3.32% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | DTE | SO |
|---|---|---|
| 2022 | +1.2% | +8.2% |
| 2023 | -2.8% | +2.2% |
| 2024 | +13.5% | +21.7% |
| 2025 | +10.4% | +9.5% |
| 2026 | +7.3% | +4.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DTE and SO good diversifiers for each other?
Only partially. A correlation of 0.76 means DTE and SO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between DTE and SO?
The DTE/SO correlation stands at 0.76 on a 3-year window (1 year: 0.84, 5 years: 0.81), computed from weekly returns as of 2026-08-27.
Is SO a good diversifier for DTE?
Only partially. A correlation of 0.76 means DTE and SO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.76 mean?
On the −1 to +1 scale, 0.76 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.
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Related comparisons
Hubs: DTE correlations · SO correlations
