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SLGN vs SON: Correlation

Measured on weekly returns over the past three years, Silgan Holdings Inc. (SLGN) and Sonoco Products Company (SON) carry a correlation of 0.62, a strong link.

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

Correlation (3Y)
0.62
strong
Correlation (1Y)
0.63
last 12 months
Correlation (5Y)
0.64
long-run
Ann. covariance
471.7
%² · weekly, annualized

How correlated are SLGN and SON?

On 3 years of weekly data the SLGN/SON correlation comes out at 0.62, strong. Little has changed lately, as the 1-year reading of 0.63 lands near the 3-year figure. The 5-year figure is 0.64, and annualized covariance runs at 471.7 %².

By 3-year correlation, SON places #5 of the 26 assets tracked against SLGN. The last year tells two different stories: SON led by 34.4 percentage points, -7.9% for SLGN against +26.5% for SON.

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.

SLGN vs SON: side by side

SLGN (Silgan Holdings Inc.)SON (Sonoco Products Company)
1-year return-7.9%+26.5%
5-year return+5.9%+4.8%
Volatility (ann.)29.4%25.7%
Beta vs S&P 5000.580.62
Max drawdown (3Y)-35.0%-32.5%
Market cap$4.4B$5.6B
P/E (trailing)16.98.9
Dividend yield1.91%3.70%
Sector / categoryUS ListedUS Listed
Lower P/E: SON 8.9 vs 16.9Higher yield: SON 3.70% vs 1.91%Smaller drawdown: SON -32.5% vs -35.0%Higher 5y return: SLGN +5.9% vs +4.8%
-18%0%+34%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SLGN · SON

Year-by-year returns

YearSLGNSON
2022+22.7%+8.3%
2023-11.3%-4.7%
2024+16.8%-9.1%
2025-21.1%-6.3%
2026+4.8%+33.8%

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

Are SLGN and SON good diversifiers for each other?

Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between SLGN and SON?

The SLGN/SON correlation stands at 0.62 on a 3-year window (1 year: 0.63, 5 years: 0.64), computed from weekly returns as of 2026-08-27.

Is SON a good diversifier for SLGN?

Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.62 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/slgn-vs-son.json

SLGN vs SON: 3-year weekly correlation 0.62SLGN vs SON0.62

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Hubs: SLGN correlations · SON correlations