ARL vs PNR: Correlation
Measured on weekly returns over the past three years, American Realty Investors, Inc. (ARL) and Pentair (PNR) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARL and PNR?
On 3 years of weekly data the ARL/PNR correlation comes out at 0.43, moderate. Recent behaviour matches the longer record: 0.36 over 1 year against 0.43 over 3. The 5-year figure is 0.20, and annualized covariance runs at 633.2 %².
Few assets follow ARL as closely as PNR, which ranks #3 of 10 tracked partners. Correlation aside, the last 12 months split them widely, with ARL ahead by 39.7 points (-2.8% versus -42.5%). Note the risk asymmetry: ARL runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ARL vs PNR: side by side
| ARL (American Realty Investors, Inc.) | PNR (Pentair) | |
|---|---|---|
| 1-year return | -2.8% | -42.5% |
| 5-year return | +36.2% | -14.1% |
| Volatility (ann.) | 52.7% | 28.2% |
| Beta vs S&P 500 | 0.99 | 1.07 |
| Max drawdown (3Y) | -57.8% | -45.0% |
| Market cap | – | $9.9B |
| P/E (trailing) | 29.4 | 16.2 |
| Dividend yield | 0.00% | 1.65% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ARL | PNR |
|---|---|---|
| 2022 | +102.8% | -37.4% |
| 2023 | -32.1% | +64.2% |
| 2024 | -15.7% | +40.0% |
| 2025 | +9.4% | +4.5% |
| 2026 | -6.6% | -39.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARL and PNR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ARL and PNR?
The ARL/PNR correlation stands at 0.43 on a 3-year window (1 year: 0.36, 5 years: 0.20), computed from weekly returns as of 2026-08-27.
Is PNR a good diversifier for ARL?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 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/arl-vs-pnr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arl-vs-pnr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARL correlations · PNR correlations
