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KR vs PNW: Correlation

How closely do Kroger (KR) and Pinnacle West Capital (PNW) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.

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

Correlation (3Y)
0.39
moderate
Correlation (1Y)
0.49
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
164.6
%² · weekly, annualized

How correlated are KR and PNW?

On 3 years of weekly data the KR/PNW correlation comes out at 0.39, moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. The 5-year figure is 0.38, and annualized covariance runs at 164.6 %².

Among the 55 assets we track against KR, PNW ranks #4 by 3-year correlation. The last year tells two different stories: PNW led by 26.8 percentage points, -14.4% for KR against +12.4% for PNW. On a rolling one-year basis the correlation drifted between 0.17 and 0.58, a moderate band.

+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.

KR vs PNW: side by side

KR (Kroger)PNW (Pinnacle West Capital)
1-year return-14.4%+12.4%
5-year return+37.3%+59.3%
Volatility (ann.)23.4%18.2%
Beta vs S&P 500-0.160.09
Max drawdown (3Y)-26.2%-14.4%
Market cap$11.9B
P/E (trailing)33.318.8
Dividend yield1.79%3.67%
Sector / categoryConsumer StaplesUtilities
Lower P/E: PNW 18.8 vs 33.3Higher yield: PNW 3.67% vs 1.79%Smaller drawdown: PNW -14.4% vs -26.2%Higher 5y return: PNW +59.3% vs +37.3%
-15%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. KR · PNW

Year-by-year returns

YearKRPNW
2022+0.4%+13.0%
2023+5.0%-1.2%
2024+36.9%+23.5%
2025+4.3%+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 KR and PNW good diversifiers for each other?

Reasonably. At 0.39, KR and PNW keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between KR and PNW?

The KR/PNW correlation stands at 0.39 on a 3-year window (1 year: 0.49, 5 years: 0.38), computed from weekly returns as of 2026-08-27.

Is PNW a good diversifier for KR?

Reasonably. At 0.39, KR and PNW keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.39 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/kr-vs-pnw.json

KR vs PNW: 3-year weekly correlation 0.39KR vs PNW0.39

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

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

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Related comparisons

Hubs: KR correlations · PNW correlations