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D vs PNW: Correlation

Dominion Energy (D) and Pinnacle West Capital (PNW) show a strong relationship: their 3-year correlation of weekly returns is 0.66.

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

Correlation (3Y)
0.66
strong
Correlation (1Y)
0.67
last 12 months
Correlation (5Y)
0.64
long-run
Ann. covariance
244.0
%² · weekly, annualized

How correlated are D and PNW?

On 3 years of weekly data the D/PNW correlation comes out at 0.66, strong. Recent behaviour matches the longer record: 0.67 over 1 year against 0.66 over 3. The 5-year figure is 0.64, and annualized covariance runs at 244.0 %².

By 3-year correlation, PNW places #8 of the 31 assets tracked against D. Their 12-month results are close: +15.1% for D against +12.4% for PNW. Across three years, the rolling one-year figure varied moderately, from 0.48 to 0.75.

+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.

D vs PNW: side by side

D (Dominion Energy)PNW (Pinnacle West Capital)
1-year return+15.1%+12.4%
5-year return+6.1%+59.3%
Volatility (ann.)20.5%18.2%
Beta vs S&P 5000.180.09
Max drawdown (3Y)-19.1%-14.4%
Market cap$58.5B$11.9B
P/E (trailing)23.218.8
Dividend yield3.99%3.67%
Sector / categoryUtilitiesUtilities
Lower P/E: PNW 18.8 vs 23.2Higher yield: D 3.99% vs 3.67%Smaller drawdown: PNW -14.4% vs -19.1%Higher 5y return: PNW +59.3% vs +6.1%
-3%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. D · PNW

Year-by-year returns

YearDPNW
2022-19.1%+13.0%
2023-19.1%-1.2%
2024+20.4%+23.5%
2025+14.0%+8.9%
2026+15.9%+13.5%

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

Are D and PNW good diversifiers for each other?

To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between D and PNW?

The D/PNW correlation stands at 0.66 on a 3-year window (1 year: 0.67, 5 years: 0.64), computed from weekly returns as of 2026-08-27.

Is PNW a good diversifier for D?

To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.66 mean?

A reading of 0.66 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/d-vs-pnw.json

D vs PNW: 3-year weekly correlation 0.66D vs PNW0.66

Drop this badge in a README or notebook; it updates with the data:

[![D vs PNW correlation](https://www.pairbook.io/api/v1/badge/d-vs-pnw.svg)](https://www.pairbook.io/pair/d-vs-pnw/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: D correlations · PNW correlations