ITT vs PH: Correlation
ITT Inc. (ITT) and Parker Hannifin (PH) show a strong relationship: their 3-year correlation of weekly returns is 0.78.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ITT and PH?
Over the past 3 years, ITT and PH moved with a correlation of 0.78, which is strong. The past 12 months show a weaker link (0.65) than the 3-year average (0.78). Over 5 years the correlation is 0.82, and the annualized covariance of weekly returns is 569.5 %².
PH is one of the assets that tracks ITT most closely: it ranks #3 out of the 38 assets we track against ITT. The trailing year gives PH the advantage: +20.8% versus +32.8%, a 12.0-point spread.
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.
ITT vs PH: side by side
| ITT (ITT Inc.) | PH (Parker Hannifin) | |
|---|---|---|
| 1-year return | +20.8% | +32.8% |
| 5-year return | +124.4% | +256.4% |
| Volatility (ann.) | 27.4% | 26.6% |
| Beta vs S&P 500 | 1.33 | 1.16 |
| Max drawdown (3Y) | -29.1% | -26.8% |
| Market cap | – | $127.5B |
| P/E (trailing) | 40.9 | 36.5 |
| Dividend yield | 0.70% | 0.71% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ITT | PH |
|---|---|---|
| 2022 | -19.5% | -6.9% |
| 2023 | +48.9% | +60.8% |
| 2024 | +20.9% | +39.6% |
| 2025 | +22.5% | +39.5% |
| 2026 | +20.3% | +15.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ITT and PH good diversifiers for each other?
To a limited degree. At 0.78 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 ITT and PH?
The ITT/PH correlation stands at 0.78 on a 3-year window (1 year: 0.65, 5 years: 0.82), computed from weekly returns as of 2026-08-27.
Is PH a good diversifier for ITT?
To a limited degree. At 0.78 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 0.78 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/itt-vs-ph.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/itt-vs-ph/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ITT correlations · PH correlations
