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ATR vs SON: Correlation

How closely do AptarGroup, Inc. (ATR) and Sonoco Products Company (SON) trade together? Their weekly returns over three years give a correlation of 0.57, which is moderate.

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

Correlation (3Y)
0.57
moderate
Correlation (1Y)
0.57
last 12 months
Correlation (5Y)
0.63
long-run
Ann. covariance
309.0
%² · weekly, annualized

How correlated are ATR and SON?

Over the past 3 years, ATR and SON moved with a correlation of 0.57, which is moderate. The relationship has been stable: the 1-year correlation (0.57) sits close to the 3-year figure. Over 5 years the correlation is 0.63, and the annualized covariance of weekly returns is 309.0 %².

Within ATR's tracked universe of 19 assets, SON comes in at #9 by 3-year correlation. The last year tells two different stories: SON led by 29.8 percentage points, -3.3% for ATR 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.

ATR vs SON: side by side

ATR (AptarGroup, Inc.)SON (Sonoco Products Company)
1-year return-3.3%+26.5%
5-year return+4.9%+4.8%
Volatility (ann.)21.0%25.7%
Beta vs S&P 5000.530.62
Max drawdown (3Y)-35.2%-32.5%
Market cap$8.4B$5.6B
P/E (trailing)24.48.9
Dividend yield1.40%3.70%
Sector / categoryUS ListedUS Listed
Lower P/E: SON 8.9 vs 24.4Higher yield: SON 3.70% vs 1.40%Smaller drawdown: SON -32.5% vs -35.2%Higher 5y return: ATR +4.9% vs +4.8%
-17%0%+34%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ATR · SON

Year-by-year returns

YearATRSON
2022-8.9%+8.3%
2023+13.9%-4.7%
2024+28.6%-9.1%
2025-21.4%-6.3%
2026+10.2%+33.8%

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

Are ATR and SON good diversifiers for each other?

Only partially. A correlation of 0.57 means ATR and SON 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 ATR and SON?

Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.57 over the last year and 0.63 over 5 years.

Is SON a good diversifier for ATR?

Only partially. A correlation of 0.57 means ATR and SON share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.57 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/atr-vs-son.json

ATR vs SON: 3-year weekly correlation 0.57ATR vs SON0.57

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Related comparisons

Hubs: ATR correlations · SON correlations