IR vs PNR: Correlation
How closely do Ingersoll Rand (IR) and Pentair (PNR) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IR and PNR?
Over the past 3 years, IR and PNR moved with a correlation of 0.53, which is moderate. The past 12 months show a weaker link (0.28) than the 3-year average (0.53). Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 443.5 %².
Among the 61 assets we track against IR, PNR ranks #42 by 3-year correlation. The last year tells two different stories: IR led by 40.5 percentage points, -2.0% for IR against -42.5% for PNR. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.27 to 0.77.
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.
IR vs PNR: side by side
| IR (Ingersoll Rand) | PNR (Pentair) | |
|---|---|---|
| 1-year return | -2.0% | -42.5% |
| 5-year return | +49.2% | -14.1% |
| Volatility (ann.) | 29.8% | 28.2% |
| Beta vs S&P 500 | 1.17 | 1.07 |
| Max drawdown (3Y) | -36.6% | -45.0% |
| Market cap | $30.6B | $9.9B |
| P/E (trailing) | 32.6 | 16.2 |
| Dividend yield | 0.15% | 1.65% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | IR | PNR |
|---|---|---|
| 2022 | -15.4% | -37.4% |
| 2023 | +48.2% | +64.2% |
| 2024 | +17.1% | +40.0% |
| 2025 | -12.3% | +4.5% |
| 2026 | -0.2% | -39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IR and PNR good diversifiers for each other?
Only partially. A correlation of 0.53 means IR and PNR 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 IR and PNR?
The IR/PNR correlation stands at 0.53 on a 3-year window (1 year: 0.28, 5 years: 0.58), computed from weekly returns as of 2026-08-27.
Is PNR a good diversifier for IR?
Only partially. A correlation of 0.53 means IR and PNR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 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/ir-vs-pnr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ir-vs-pnr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: IR correlations · PNR correlations
