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GPK vs SWK: Correlation

How closely do Graphic Packaging Holding Company (GPK) and Stanley Black & Decker (SWK) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.47
last 12 months
Correlation (5Y)
0.42
long-run
Ann. covariance
553.8
%² · weekly, annualized

How correlated are GPK and SWK?

Across a 3-year window, the weekly returns of GPK and SWK correlate at 0.51, moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. Stretching to 5 years gives 0.42, with an annualized covariance of 553.8 %².

Among the 13 assets we track against GPK, SWK ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SWK outperformed by 84.7 percentage points (-47.7% for GPK against +37.0% for SWK).

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.

GPK vs SWK: side by side

GPK (Graphic Packaging Holding Company)SWK (Stanley Black & Decker)
1-year return-47.7%+37.0%
5-year return-39.0%-39.1%
Volatility (ann.)30.7%35.4%
Beta vs S&P 5000.711.19
Max drawdown (3Y)-69.7%-48.3%
Market cap$3.4B$15.0B
P/E (trailing)17.724.4
Dividend yield3.84%3.33%
Sector / categoryUS ListedIndustrials
Lower P/E: GPK 17.7 vs 24.4Higher yield: GPK 3.84% vs 3.33%Smaller drawdown: SWK -48.3% vs -69.7%Higher 5y return: GPK -39.0% vs -39.1%
-58%0%+37%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). GPK · SWK

Year-by-year returns

YearGPKSWK
2022+15.9%-58.9%
2023+12.7%+35.6%
2024+11.7%-15.2%
2025-43.3%-3.2%
2026-23.1%+36.5%

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

Are GPK and SWK good diversifiers for each other?

To a limited degree. At 0.51 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 GPK and SWK?

Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.47 over the last year and 0.42 over 5 years.

Is SWK a good diversifier for GPK?

To a limited degree. At 0.51 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 0.51 mean?

On the −1 to +1 scale, 0.51 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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GPK vs SWK: 3-year weekly correlation 0.51GPK vs SWK0.51

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Related comparisons

Hubs: GPK correlations · SWK correlations