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DTE vs PNW: Correlation

How closely do DTE Energy (DTE) and Pinnacle West Capital (PNW) trade together? Their weekly returns over three years give a correlation of 0.72, which is strong.

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

Correlation (3Y)
0.72
strong
Correlation (1Y)
0.87
last 12 months
Correlation (5Y)
0.73
long-run
Ann. covariance
224.4
%² · weekly, annualized

How correlated are DTE and PNW?

Over the past 3 years, DTE and PNW moved with a correlation of 0.72, which is strong. The past 12 months show a tighter link (0.87) than the 3-year average (0.72). Over 5 years the correlation is 0.73, and the annualized covariance of weekly returns is 224.4 %².

Within DTE's tracked universe of 44 assets, PNW comes in at #17 by 3-year correlation. Over the last 12 months PNW came out ahead by 10.7 percentage points (+1.7% against +12.4%). Across three years, the rolling one-year figure varied moderately, from 0.47 to 0.87.

+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.

DTE vs PNW: side by side

DTE (DTE Energy)PNW (Pinnacle West Capital)
1-year return+1.7%+12.4%
5-year return+33.3%+59.3%
Volatility (ann.)17.1%18.2%
Beta vs S&P 5000.070.09
Max drawdown (3Y)-12.4%-14.4%
Market cap$28.3B$11.9B
P/E (trailing)21.818.8
Dividend yield3.39%3.67%
Sector / categoryUtilitiesUtilities
Lower P/E: PNW 18.8 vs 21.8Higher yield: PNW 3.67% vs 3.39%Smaller drawdown: DTE -12.4% vs -14.4%Higher 5y return: PNW +59.3% vs +33.3%
-5%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DTE · PNW

Year-by-year returns

YearDTEPNW
2022+1.2%+13.0%
2023-2.8%-1.2%
2024+13.5%+23.5%
2025+10.4%+8.9%
2026+7.3%+13.5%

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

Are DTE and PNW good diversifiers for each other?

Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between DTE and PNW?

Using weekly returns as of 2026-08-27: 0.72 over 3 years, with 0.87 over the last year and 0.73 over 5 years.

Is PNW a good diversifier for DTE?

Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.72 mean?

On the −1 to +1 scale, 0.72 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

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

DTE vs PNW: 3-year weekly correlation 0.72DTE vs PNW0.72

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Hubs: DTE correlations · PNW correlations