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BDX vs SON: Correlation

Becton Dickinson (BDX) and Sonoco Products Company (SON) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.48
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
284.9
%² · weekly, annualized

How correlated are BDX and SON?

Across a 3-year window, the weekly returns of BDX and SON correlate at 0.46, moderate. Recent behaviour matches the longer record: 0.48 over 1 year against 0.46 over 3. Stretching to 5 years gives 0.44, with an annualized covariance of 284.9 %².

Among the 28 assets we track against BDX, SON ranks #7 by 3-year correlation. Neither side won the trailing year by much: +25.5% against +26.5%.

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.

BDX vs SON: side by side

BDX (Becton Dickinson)SON (Sonoco Products Company)
1-year return+25.5%+26.5%
5-year return+6.8%+4.8%
Volatility (ann.)24.0%25.7%
Beta vs S&P 5000.330.62
Max drawdown (3Y)-39.6%-32.5%
Market cap$51.2B$5.6B
P/E (trailing)32.98.9
Dividend yield2.20%3.70%
Sector / categoryHealth CareUS Listed
Lower P/E: SON 8.9 vs 32.9Higher yield: SON 3.70% vs 2.20%Smaller drawdown: SON -32.5% vs -39.6%Higher 5y return: BDX +6.8% vs +4.8%
-14%0%+34%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BDX · SON

Year-by-year returns

YearBDXSON
2022+5.1%+8.3%
2023-2.7%-4.7%
2024-5.4%-9.1%
2025-12.6%-6.3%
2026+25.0%+33.8%

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

Are BDX and SON good diversifiers for each other?

Reasonably. At 0.46, BDX and SON keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BDX and SON?

Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.48 over the last year and 0.44 over 5 years.

Is SON a good diversifier for BDX?

Reasonably. At 0.46, BDX and SON keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.46 mean?

On the −1 to +1 scale, 0.46 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/bdx-vs-son.json

BDX vs SON: 3-year weekly correlation 0.46BDX vs SON0.46

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Related comparisons

Hubs: BDX correlations · SON correlations