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D vs DUK: Correlation

Dominion Energy (D) and Duke Energy (DUK) show a strong relationship: their 3-year correlation of weekly returns is 0.67.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.65
last 12 months
Correlation (5Y)
0.73
long-run
Ann. covariance
219.4
%² · weekly, annualized

How correlated are D and DUK?

Across a 3-year window, the weekly returns of D and DUK correlate at 0.67, strong. The relationship has been stable: the 1-year correlation (0.65) sits close to the 3-year figure. Stretching to 5 years gives 0.73, with an annualized covariance of 219.4 %².

Within D's tracked universe of 31 assets, DUK comes in at #5 by 3-year correlation. Over the last 12 months D came out ahead by 14.0 percentage points (+15.1% against +1.1%). Across three years, the rolling one-year figure varied moderately, from 0.52 to 0.79.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past 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.

D vs DUK: side by side

D (Dominion Energy)DUK (Duke Energy)
1-year return+15.1%+1.1%
5-year return+6.1%+39.8%
Volatility (ann.)20.5%15.9%
Beta vs S&P 5000.18-0.09
Max drawdown (3Y)-19.1%-11.6%
Market cap$58.5B$94.2B
P/E (trailing)23.218.3
Dividend yield3.99%3.49%
Sector / categoryUtilitiesUtilities
Lower P/E: DUK 18.3 vs 23.2Higher yield: D 3.99% vs 3.49%Smaller drawdown: DUK -11.6% vs -19.1%Higher 5y return: DUK +39.8% vs +6.1%
-4%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. D · DUK

Year-by-year returns

YearDDUK
2022-19.1%+2.0%
2023-19.1%-1.6%
2024+20.4%+15.6%
2025+14.0%+12.7%
2026+15.9%+5.8%

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

Are D and DUK good diversifiers for each other?

Only partially. A correlation of 0.67 means D and DUK 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 D and DUK?

The D/DUK correlation stands at 0.67 on a 3-year window (1 year: 0.65, 5 years: 0.73), computed from weekly returns as of 2026-08-27.

Is DUK a good diversifier for D?

Only partially. A correlation of 0.67 means D and DUK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.67 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.

Use this data

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

D vs DUK: 3-year weekly correlation 0.67D vs DUK0.67

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Related comparisons

Hubs: D correlations · DUK correlations