PH vs XYL: Correlation
Parker Hannifin (PH) and Xylem Inc. (XYL) 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 PH and XYL?
On 3 years of weekly data the PH/XYL correlation comes out at 0.57, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. The 5-year figure is 0.63, and annualized covariance runs at 361.6 %².
Among the 57 assets we track against PH, XYL ranks #32 by 3-year correlation. The last year tells two different stories: PH led by 53.9 percentage points, +32.8% for PH against -21.1% for XYL. Across three years, the rolling one-year figure varied moderately, from 0.41 to 0.66.
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 XYL: side by side
| PH (Parker Hannifin) | XYL (Xylem Inc.) | |
|---|---|---|
| 1-year return | +32.8% | -21.1% |
| 5-year return | +256.4% | -12.5% |
| Volatility (ann.) | 26.6% | 23.9% |
| Beta vs S&P 500 | 1.16 | 0.96 |
| Max drawdown (3Y) | -26.8% | -30.0% |
| Market cap | $127.5B | $26.3B |
| P/E (trailing) | 36.5 | 26.8 |
| Dividend yield | 0.71% | 1.47% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | PH | XYL |
|---|---|---|
| 2022 | -6.9% | -6.6% |
| 2023 | +60.8% | +4.8% |
| 2024 | +39.6% | +2.6% |
| 2025 | +39.5% | +18.8% |
| 2026 | +15.5% | -16.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PH and XYL good diversifiers for each other?
Only partially. A correlation of 0.57 means PH and XYL 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 PH and XYL?
As of 2026-08-27, the correlation of weekly returns between PH and XYL is 0.57 over 3 years, 0.52 over 1 year and 0.63 over 5 years.
Is XYL a good diversifier for PH?
Only partially. A correlation of 0.57 means PH and XYL 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?
On the −1 to +1 scale, 0.57 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-xyl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ph-vs-xyl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PH correlations · XYL correlations
