ATO vs LNT: Correlation
Measured on weekly returns over the past three years, Atmos Energy (ATO) and Alliant Energy (LNT) carry a correlation of 0.75, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATO and LNT?
On 3 years of weekly data the ATO/LNT correlation comes out at 0.75, strong. Little has changed lately, as the 1-year reading of 0.82 lands near the 3-year figure. The 5-year figure is 0.79, and annualized covariance runs at 206.9 %².
LNT is one of the assets that tracks ATO most closely: it ranks #2 out of the 32 assets we track against ATO. Neither side won the trailing year by much: +2.9% against +6.9%. Across three years, the rolling one-year figure varied moderately, from 0.61 to 0.87.
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.
ATO vs LNT: side by side
| ATO (Atmos Energy) | LNT (Alliant Energy) | |
|---|---|---|
| 1-year return | +2.9% | +6.9% |
| 5-year return | +94.1% | +31.9% |
| Volatility (ann.) | 15.9% | 17.5% |
| Beta vs S&P 500 | 0.15 | 0.09 |
| Max drawdown (3Y) | -12.7% | -12.4% |
| Market cap | $28.3B | $17.7B |
| P/E (trailing) | 19.9 | 21.8 |
| Dividend yield | 2.28% | 3.03% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | ATO | LNT |
|---|---|---|
| 2022 | +9.6% | -7.4% |
| 2023 | +6.2% | -3.8% |
| 2024 | +23.4% | +19.5% |
| 2025 | +23.1% | +13.5% |
| 2026 | +1.5% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATO and LNT good diversifiers for each other?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ATO and LNT?
The ATO/LNT correlation stands at 0.75 on a 3-year window (1 year: 0.82, 5 years: 0.79), computed from weekly returns as of 2026-08-27.
Is LNT a good diversifier for ATO?
Somewhat, no more. With 0.75 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.75 mean?
On the −1 to +1 scale, 0.75 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/ato-vs-lnt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ato-vs-lnt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATO correlations · LNT correlations
