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GGG vs PKG: Correlation

Graco Inc. (GGG) and Packaging Corporation of America (PKG) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.

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

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
246.0
%² · weekly, annualized

How correlated are GGG and PKG?

Over the past 3 years, GGG and PKG moved with a correlation of 0.55, which is moderate. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 246.0 %².

Among the 26 assets we track against GGG, PKG ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PKG ahead by 25.7 points (-7.2% versus +18.5%).

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.

GGG vs PKG: side by side

GGG (Graco Inc.)PKG (Packaging Corporation of America)
1-year return-7.2%+18.5%
5-year return+7.7%+86.8%
Volatility (ann.)19.0%23.5%
Beta vs S&P 5000.700.52
Max drawdown (3Y)-22.6%-28.4%
Market cap$12.9B$21.7B
P/E (trailing)25.031.6
Dividend yield1.46%2.13%
Sector / categoryUS ListedMaterials
Lower P/E: GGG 25.0 vs 31.6Higher yield: PKG 2.13% vs 1.46%Smaller drawdown: GGG -22.6% vs -28.4%Higher 5y return: PKG +86.8% vs +7.7%
-13%0%+19%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GGG · PKG

Year-by-year returns

YearGGGPKG
2022-15.5%-2.6%
2023+30.6%+31.9%
2024-1.7%+41.7%
2025-1.5%-6.1%
2026-1.8%+19.6%

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

Are GGG and PKG good diversifiers for each other?

Only partially. A correlation of 0.55 means GGG and PKG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between GGG and PKG?

Using weekly returns as of 2026-08-27: 0.55 over 3 years, with 0.58 over the last year and 0.41 over 5 years.

Is PKG a good diversifier for GGG?

Only partially. A correlation of 0.55 means GGG and PKG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.55 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/ggg-vs-pkg.json

GGG vs PKG: 3-year weekly correlation 0.55GGG vs PKG0.55

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Hubs: GGG correlations · PKG correlations