PCAR vs PH: Correlation
Paccar (PCAR) and Parker Hannifin (PH) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCAR and PH?
Across a 3-year window, the weekly returns of PCAR and PH correlate at 0.57, moderate. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. Stretching to 5 years gives 0.62, with an annualized covariance of 366.1 %².
Among the 27 assets we track against PCAR, PH ranks #6 by 3-year correlation. Twelve-month performance is nearly a tie, at +27.8% for PCAR and +32.8% for PH. Across three years, the rolling one-year figure varied moderately, from 0.40 to 0.71.
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.
PCAR vs PH: side by side
| PCAR (Paccar) | PH (Parker Hannifin) | |
|---|---|---|
| 1-year return | +27.8% | +32.8% |
| 5-year return | +177.9% | +256.4% |
| Volatility (ann.) | 24.1% | 26.6% |
| Beta vs S&P 500 | 0.74 | 1.16 |
| Max drawdown (3Y) | -27.7% | -26.8% |
| Market cap | $66.6B | $127.5B |
| P/E (trailing) | 26.6 | 36.5 |
| Dividend yield | 1.04% | 0.71% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | PCAR | PH |
|---|---|---|
| 2022 | +17.0% | -6.9% |
| 2023 | +55.0% | +60.8% |
| 2024 | +10.8% | +39.6% |
| 2025 | +8.0% | +39.5% |
| 2026 | +16.5% | +15.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCAR and PH good diversifiers for each other?
Only partially. A correlation of 0.57 means PCAR and PH 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 PCAR and PH?
As of 2026-08-27, the correlation of weekly returns between PCAR and PH is 0.57 over 3 years, 0.61 over 1 year and 0.62 over 5 years.
Is PH a good diversifier for PCAR?
Only partially. A correlation of 0.57 means PCAR and PH share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 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
$ curl https://www.pairbook.io/api/v1/pairs/pcar-vs-ph.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pcar-vs-ph/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PCAR correlations · PH correlations
