PairBook
HomeBDX › BDX vs SWK

BDX vs SWK: Correlation

How closely do Becton Dickinson (BDX) and Stanley Black & Decker (SWK) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.42
long-run
Ann. covariance
390.4
%² · weekly, annualized

How correlated are BDX and SWK?

On 3 years of weekly data the BDX/SWK correlation comes out at 0.46, moderate. Recent behaviour matches the longer record: 0.44 over 1 year against 0.46 over 3. The 5-year figure is 0.42, and annualized covariance runs at 390.4 %².

By 3-year correlation, SWK places #8 of the 28 assets tracked against BDX. Over the last 12 months SWK came out ahead by 11.5 percentage points (+25.5% against +37.0%). Across three years, the rolling one-year figure varied moderately, from 0.20 to 0.56.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past three years.
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 SWK: side by side

BDX (Becton Dickinson)SWK (Stanley Black & Decker)
1-year return+25.5%+37.0%
5-year return+6.8%-39.1%
Volatility (ann.)24.0%35.4%
Beta vs S&P 5000.331.19
Max drawdown (3Y)-39.6%-48.3%
Market cap$51.2B$15.0B
P/E (trailing)32.924.4
Dividend yield2.20%3.33%
Sector / categoryHealth CareIndustrials
Lower P/E: SWK 24.4 vs 32.9Higher yield: SWK 3.33% vs 2.20%Smaller drawdown: BDX -39.6% vs -48.3%Higher 5y return: BDX +6.8% vs -39.1%
-18%0%+37%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BDX · SWK

Year-by-year returns

YearBDXSWK
2022+5.1%-58.9%
2023-2.7%+35.6%
2024-5.4%-15.2%
2025-12.6%-3.2%
2026+25.0%+36.5%

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

Are BDX and SWK good diversifiers for each other?

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

FAQ

What is the correlation between BDX and SWK?

Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.44 over the last year and 0.42 over 5 years.

Is SWK a good diversifier for BDX?

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

What does a correlation of 0.46 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/bdx-vs-swk.json

BDX vs SWK: 3-year weekly correlation 0.46BDX vs SWK0.46

Markdown for the live badge, attribution link included:

[![BDX vs SWK correlation](https://www.pairbook.io/api/v1/badge/bdx-vs-swk.svg)](https://www.pairbook.io/pair/bdx-vs-swk/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: BDX correlations · SWK correlations