PH vs SNA: Correlation
How closely do Parker Hannifin (PH) and Snap-on (SNA) 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 PH and SNA?
On 3 years of weekly data the PH/SNA correlation comes out at 0.52, moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.52 over 3. The 5-year figure is 0.62, and annualized covariance runs at 291.8 %².
Among the 57 assets we track against PH, SNA ranks #36 by 3-year correlation. The trailing year gives PH the advantage: +32.8% versus +23.1%, a 9.7-point spread. Across three years, the rolling one-year figure varied moderately, from 0.32 to 0.72.
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.
PH vs SNA: side by side
| PH (Parker Hannifin) | SNA (Snap-on) | |
|---|---|---|
| 1-year return | +32.8% | +23.1% |
| 5-year return | +256.4% | +99.6% |
| Volatility (ann.) | 26.6% | 21.3% |
| Beta vs S&P 500 | 1.16 | 0.70 |
| Max drawdown (3Y) | -26.8% | -20.8% |
| Market cap | $127.5B | $20.5B |
| P/E (trailing) | 36.5 | 20.2 |
| Dividend yield | 0.71% | 2.38% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | PH | SNA |
|---|---|---|
| 2022 | -6.9% | +8.9% |
| 2023 | +60.8% | +29.7% |
| 2024 | +39.6% | +20.7% |
| 2025 | +39.5% | +4.3% |
| 2026 | +15.5% | +17.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PH and SNA good diversifiers for each other?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between PH and SNA?
The PH/SNA correlation stands at 0.52 on a 3-year window (1 year: 0.49, 5 years: 0.62), computed from weekly returns as of 2026-08-27.
Is SNA a good diversifier for PH?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
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/ph-vs-sna.json
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Related comparisons
Hubs: PH correlations · SNA correlations
