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DUK vs VUG: Correlation

Measured on weekly returns over the past three years, Duke Energy (DUK) and Vanguard Growth ETF (VUG) carry a correlation of -0.22, a negative link.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.34
last 12 months
Correlation (5Y)
0.06
long-run
Ann. covariance
-68.0
%² · weekly, annualized

How correlated are DUK and VUG?

On 3 years of weekly data the DUK/VUG correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.34) runs below the 3-year figure (-0.22). The 5-year figure is 0.06, and annualized covariance runs at -68.0 %².

Within DUK's tracked universe of 53 assets, VUG comes in at #40 by 3-year correlation. The last year tells two different stories: VUG led by 15.1 percentage points, +1.1% for DUK against +16.2% for VUG. This link changes with the market regime, having swung between -0.39 and 0.27 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

DUK vs VUG: side by side

DUK (Duke Energy)VUG (Vanguard Growth ETF)
1-year return+1.1%+16.2%
5-year return+39.8%+78.4%
Volatility (ann.)15.9%19.4%
Beta vs S&P 500-0.091.28
Max drawdown (3Y)-11.6%-22.8%
Market cap$94.2B
P/E (trailing)18.3
Dividend yield3.49%0.40%
Expense ratio0.03%
Assets under management$372.0B
Sector / categoryUtilitiesETF · US Style
Higher yield: DUK 3.49% vs 0.40%Smaller drawdown: DUK -11.6% vs -22.8%Higher 5y return: VUG +78.4% vs +39.8%

VUG, Vanguard's Large Growth fund, carries $372.0B under management, 146 holdings, a 0.03% expense ratio, a 0.40% trailing dividend yield.

-8%0%+17%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DUK · VUG

Year-by-year returns

YearDUKVUG
2022+2.0%-33.2%
2023-1.6%+46.8%
2024+15.6%+32.7%
2025+12.7%+19.4%
2026+5.8%+9.6%

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

Are DUK and VUG good diversifiers for each other?

By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.

FAQ

What is the correlation between DUK and VUG?

As of 2026-08-27, the correlation of weekly returns between DUK and VUG is -0.22 over 3 years, -0.34 over 1 year and 0.06 over 5 years.

Is VUG a good diversifier for DUK?

By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.

What does a correlation of -0.22 mean?

On the −1 to +1 scale, -0.22 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

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DUK vs VUG: 3-year weekly correlation -0.22DUK vs VUG-0.22

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Hubs: DUK correlations · VUG correlations