HCA vs PNR: Correlation
Measured on weekly returns over the past three years, HCA Healthcare (HCA) and Pentair (PNR) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HCA and PNR?
Over the past 3 years, HCA and PNR moved with a correlation of 0.40, which is moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 305.3 %².
Among the 32 assets we track against HCA, PNR ranks #9 by 3-year correlation. The last year tells two different stories: HCA led by 46.7 percentage points, +4.2% for HCA against -42.5% for PNR. Across three years, the rolling one-year figure varied moderately, from 0.20 to 0.64.
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.
HCA vs PNR: side by side
| HCA (HCA Healthcare) | PNR (Pentair) | |
|---|---|---|
| 1-year return | +4.2% | -42.5% |
| 5-year return | +72.5% | -14.1% |
| Volatility (ann.) | 26.9% | 28.2% |
| Beta vs S&P 500 | 0.42 | 1.07 |
| Max drawdown (3Y) | -33.6% | -45.0% |
| Market cap | $90.8B | $9.9B |
| P/E (trailing) | 14.1 | 16.2 |
| Dividend yield | 0.70% | 1.65% |
| Sector / category | Health Care | Industrials |
Year-by-year returns
| Year | HCA | PNR |
|---|---|---|
| 2022 | -5.6% | -37.4% |
| 2023 | +13.8% | +64.2% |
| 2024 | +11.8% | +40.0% |
| 2025 | +56.7% | +4.5% |
| 2026 | -9.9% | -39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HCA and PNR good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between HCA and PNR?
As of 2026-08-27, the correlation of weekly returns between HCA and PNR is 0.40 over 3 years, 0.36 over 1 year and 0.40 over 5 years.
Is PNR a good diversifier for HCA?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 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/hca-vs-pnr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hca-vs-pnr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HCA correlations · PNR correlations
