FAST vs SNA: Correlation
How closely do Fastenal (FAST) and Snap-on (SNA) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FAST and SNA?
Across a 3-year window, the weekly returns of FAST and SNA correlate at 0.48, moderate. The past 12 months show a weaker link (0.32) than the 3-year average (0.48). Stretching to 5 years gives 0.52, with an annualized covariance of 247.2 %².
Within FAST's tracked universe of 33 assets, SNA comes in at #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SNA ahead by 19.0 points (+4.1% versus +23.1%). Across three years, the rolling one-year figure varied moderately, from 0.33 to 0.62.
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.
FAST vs SNA: side by side
| FAST (Fastenal) | SNA (Snap-on) | |
|---|---|---|
| 1-year return | +4.1% | +23.1% |
| 5-year return | +105.5% | +99.6% |
| Volatility (ann.) | 24.0% | 21.3% |
| Beta vs S&P 500 | 0.63 | 0.70 |
| Max drawdown (3Y) | -21.9% | -20.8% |
| Market cap | $58.7B | $20.5B |
| P/E (trailing) | 43.7 | 20.2 |
| Dividend yield | 1.80% | 2.38% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | FAST | SNA |
|---|---|---|
| 2022 | -24.3% | +8.9% |
| 2023 | +41.3% | +29.7% |
| 2024 | +13.5% | +20.7% |
| 2025 | +14.0% | +4.3% |
| 2026 | +29.5% | +17.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FAST and SNA good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FAST and SNA?
As of 2026-08-27, the correlation of weekly returns between FAST and SNA is 0.48 over 3 years, 0.32 over 1 year and 0.52 over 5 years.
Is SNA a good diversifier for FAST?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 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/fast-vs-sna.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fast-vs-sna/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FAST correlations · SNA correlations
