MMM vs SWK: Correlation
How closely do 3M (MMM) and Stanley Black & Decker (SWK) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MMM and SWK?
Over the past 3 years, MMM and SWK moved with a correlation of 0.52, which is moderate. Recent behaviour matches the longer record: 0.60 over 1 year against 0.52 over 3. Over 5 years the correlation is 0.55, and the annualized covariance of weekly returns is 549.8 %².
Among the 34 assets we track against MMM, SWK ranks #17 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SWK outperformed by 20.6 percentage points (+16.4% for MMM against +37.0% for SWK). The rolling one-year correlation moved between 0.36 and 0.78 over the past three years, a moderate range.
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.
MMM vs SWK: side by side
| MMM (3M) | SWK (Stanley Black & Decker) | |
|---|---|---|
| 1-year return | +16.4% | +37.0% |
| 5-year return | +29.9% | -39.1% |
| Volatility (ann.) | 29.8% | 35.4% |
| Beta vs S&P 500 | 0.89 | 1.19 |
| Max drawdown (3Y) | -20.7% | -48.3% |
| Market cap | $92.2B | $15.0B |
| P/E (trailing) | 31.9 | 24.4 |
| Dividend yield | 1.68% | 3.33% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | MMM | SWK |
|---|---|---|
| 2022 | -29.6% | -58.9% |
| 2023 | -3.3% | +35.6% |
| 2024 | +46.1% | -15.2% |
| 2025 | +26.4% | -3.2% |
| 2026 | +13.3% | +36.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MMM and SWK good diversifiers for each other?
Only partially. A correlation of 0.52 means MMM and SWK 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 MMM and SWK?
As of 2026-08-27, the correlation of weekly returns between MMM and SWK is 0.52 over 3 years, 0.60 over 1 year and 0.55 over 5 years.
Is SWK a good diversifier for MMM?
Only partially. A correlation of 0.52 means MMM and SWK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.52 mean?
On the −1 to +1 scale, 0.52 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
$ curl https://www.pairbook.io/api/v1/pairs/mmm-vs-swk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mmm-vs-swk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MMM correlations · SWK correlations
