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DUK vs LNT: Correlation

Measured on weekly returns over the past three years, Duke Energy (DUK) 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

Correlation (3Y)
0.75
strong
Correlation (1Y)
0.84
last 12 months
Correlation (5Y)
0.83
long-run
Ann. covariance
208.2
%² · weekly, annualized

How correlated are DUK and LNT?

Across a 3-year window, the weekly returns of DUK and LNT correlate at 0.75, strong. Little has changed lately, as the 1-year reading of 0.84 lands near the 3-year figure. Stretching to 5 years gives 0.83, with an annualized covariance of 208.2 %².

Among the 53 assets we track against DUK, LNT ranks #12 by 3-year correlation. Over the last 12 months LNT came out ahead by 5.8 percentage points (+1.1% against +6.9%). Across three years, the rolling one-year figure varied moderately, from 0.55 to 0.93.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

DUK vs LNT: side by side

DUK (Duke Energy)LNT (Alliant Energy)
1-year return+1.1%+6.9%
5-year return+39.8%+31.9%
Volatility (ann.)15.9%17.5%
Beta vs S&P 500-0.090.09
Max drawdown (3Y)-11.6%-12.4%
Market cap$94.2B$17.7B
P/E (trailing)18.321.8
Dividend yield3.49%3.03%
Sector / categoryUtilitiesUtilities
Lower P/E: DUK 18.3 vs 21.8Higher yield: DUK 3.49% vs 3.03%Smaller drawdown: DUK -11.6% vs -12.4%Higher 5y return: DUK +39.8% vs +31.9%
-4%0%+24%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). DUK · LNT

Year-by-year returns

YearDUKLNT
2022+2.0%-7.4%
2023-1.6%-3.8%
2024+15.6%+19.5%
2025+12.7%+13.5%
2026+5.8%+7.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are DUK 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 DUK and LNT?

Using weekly returns as of 2026-08-27: 0.75 over 3 years, with 0.84 over the last year and 0.83 over 5 years.

Is LNT a good diversifier for DUK?

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?

A reading of 0.75 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/duk-vs-lnt.json

DUK vs LNT: 3-year weekly correlation 0.75DUK vs LNT0.75

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Hubs: DUK correlations · LNT correlations