PH vs PNR: Correlation
Measured on weekly returns over the past three years, Parker Hannifin (PH) and Pentair (PNR) carry a correlation of 0.66, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PH and PNR?
On 3 years of weekly data the PH/PNR correlation comes out at 0.66, strong. Little has changed lately, as the 1-year reading of 0.58 lands near the 3-year figure. The 5-year figure is 0.69, and annualized covariance runs at 495.7 %².
Among the 57 assets we track against PH, PNR ranks #16 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PH outperformed by 75.3 percentage points (+32.8% for PH against -42.5% for PNR). The rolling one-year correlation moved between 0.56 and 0.83 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.
PH vs PNR: side by side
| PH (Parker Hannifin) | PNR (Pentair) | |
|---|---|---|
| 1-year return | +32.8% | -42.5% |
| 5-year return | +256.4% | -14.1% |
| Volatility (ann.) | 26.6% | 28.2% |
| Beta vs S&P 500 | 1.16 | 1.07 |
| Max drawdown (3Y) | -26.8% | -45.0% |
| Market cap | $127.5B | $9.9B |
| P/E (trailing) | 36.5 | 16.2 |
| Dividend yield | 0.71% | 1.65% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | PH | PNR |
|---|---|---|
| 2022 | -6.9% | -37.4% |
| 2023 | +60.8% | +64.2% |
| 2024 | +39.6% | +40.0% |
| 2025 | +39.5% | +4.5% |
| 2026 | +15.5% | -39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PH and PNR good diversifiers for each other?
To a limited degree. At 0.66 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 PNR?
The PH/PNR correlation stands at 0.66 on a 3-year window (1 year: 0.58, 5 years: 0.69), computed from weekly returns as of 2026-08-27.
Is PNR a good diversifier for PH?
To a limited degree. At 0.66 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 0.66 mean?
A reading of 0.66 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/ph-vs-pnr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ph-vs-pnr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PH correlations · PNR correlations
