LNT vs SO: Correlation
Measured on weekly returns over the past three years, Alliant Energy (LNT) and Southern Company (SO) carry a correlation of 0.77, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LNT and SO?
Over the past 3 years, LNT and SO moved with a correlation of 0.77, which is strong. The relationship has been stable: the 1-year correlation (0.84) sits close to the 3-year figure. Over 5 years the correlation is 0.82, and the annualized covariance of weekly returns is 221.7 %².
Within LNT's tracked universe of 43 assets, SO comes in at #9 by 3-year correlation. On 12-month performance LNT holds a 8.3-point edge, +6.9% against -1.4%. The rolling one-year correlation moved between 0.53 and 0.88 over the past three years, a moderate range.
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.
LNT vs SO: side by side
| LNT (Alliant Energy) | SO (Southern Company) | |
|---|---|---|
| 1-year return | +6.9% | -1.4% |
| 5-year return | +31.9% | +62.6% |
| Volatility (ann.) | 17.5% | 16.5% |
| Beta vs S&P 500 | 0.09 | -0.02 |
| Max drawdown (3Y) | -12.4% | -15.0% |
| Market cap | $17.7B | $102.4B |
| P/E (trailing) | 21.8 | 21.7 |
| Dividend yield | 3.03% | 3.32% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | LNT | SO |
|---|---|---|
| 2022 | -7.4% | +8.2% |
| 2023 | -3.8% | +2.2% |
| 2024 | +19.5% | +21.7% |
| 2025 | +13.5% | +9.5% |
| 2026 | +7.4% | +4.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LNT and SO good diversifiers for each other?
To a limited degree. At 0.77 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 LNT and SO?
The LNT/SO correlation stands at 0.77 on a 3-year window (1 year: 0.84, 5 years: 0.82), computed from weekly returns as of 2026-08-27.
Is SO a good diversifier for LNT?
To a limited degree. At 0.77 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 0.77 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.
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Related comparisons
Hubs: LNT correlations · SO correlations
