LNT vs SPY: Correlation
Alliant Energy (LNT) and SPDR S&P 500 ETF Trust (SPY) show a near-zero relationship: their 3-year correlation of weekly returns is 0.08.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LNT and SPY?
Over the past 3 years, LNT and SPY moved with a correlation of 0.08, which is near zero, meaning they move largely independently. Lately the two have drifted apart, with the 1-year correlation at -0.14 versus 0.08 over 3 years. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 19.6 %².
By 3-year correlation, SPY places #32 of the 43 assets tracked against LNT. Over the last 12 months SPY came out ahead by 13.7 percentage points (+6.9% against +20.6%). The relationship is regime-dependent: the rolling one-year correlation swung between -0.17 and 0.44 over the past three years, so this pair behaves very differently depending on the market environment.
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 SPY: side by side
| LNT (Alliant Energy) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +6.9% | +20.6% |
| 5-year return | +31.9% | +82.4% |
| Volatility (ann.) | 17.5% | 14.5% |
| Beta vs S&P 500 | 0.09 | 1.00 |
| Max drawdown (3Y) | -12.4% | -18.8% |
| Market cap | $17.7B | – |
| P/E (trailing) | 21.8 | – |
| Dividend yield | 3.03% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | Utilities | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | LNT | SPY |
|---|---|---|
| 2022 | -7.4% | -18.2% |
| 2023 | -3.8% | +26.2% |
| 2024 | +19.5% | +24.9% |
| 2025 | +13.5% | +17.7% |
| 2026 | +7.4% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LNT and SPY good diversifiers for each other?
Yes. With a correlation of 0.08, LNT and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between LNT and SPY?
The LNT/SPY correlation stands at 0.08 on a 3-year window (1 year: -0.14, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for LNT?
Yes. With a correlation of 0.08, LNT and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.08 mean?
On the −1 to +1 scale, 0.08 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: LNT correlations · SPY correlations
