PNR vs SNA: Correlation
Pentair (PNR) and Snap-on (SNA) show a moderate relationship: their 3-year correlation of weekly returns is 0.52.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PNR and SNA?
Over the past 3 years, PNR and SNA moved with a correlation of 0.52, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.36 versus 0.52 over 3 years. Over 5 years the correlation is 0.55, and the annualized covariance of weekly returns is 312.4 %².
By 3-year correlation, SNA places #21 of the 38 assets tracked against PNR. The last year tells two different stories: SNA led by 65.6 percentage points, -42.5% for PNR against +23.1% for SNA. Across three years, the rolling one-year figure varied moderately, from 0.35 to 0.70.
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.
PNR vs SNA: side by side
| PNR (Pentair) | SNA (Snap-on) | |
|---|---|---|
| 1-year return | -42.5% | +23.1% |
| 5-year return | -14.1% | +99.6% |
| Volatility (ann.) | 28.2% | 21.3% |
| Beta vs S&P 500 | 1.07 | 0.70 |
| Max drawdown (3Y) | -45.0% | -20.8% |
| Market cap | $9.9B | $20.5B |
| P/E (trailing) | 16.2 | 20.2 |
| Dividend yield | 1.65% | 2.38% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | PNR | SNA |
|---|---|---|
| 2022 | -37.4% | +8.9% |
| 2023 | +64.2% | +29.7% |
| 2024 | +40.0% | +20.7% |
| 2025 | +4.5% | +4.3% |
| 2026 | -39.8% | +17.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PNR and SNA good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PNR and SNA?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.36 over the last year and 0.55 over 5 years.
Is SNA a good diversifier for PNR?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 mean?
A reading of 0.52 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pnr-vs-sna.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pnr-vs-sna/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PNR correlations · SNA correlations
