HTO vs YORW: Correlation
H2O America (HTO) and The York Water Company (YORW) show a strong relationship: their 3-year correlation of weekly returns is 0.76.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HTO and YORW?
Over the past 3 years, HTO and YORW moved with a correlation of 0.76, which is strong. The link has loosened recently: the 1-year correlation (0.60) runs below the 3-year figure (0.76). Over 5 years the correlation is 0.71, and the annualized covariance of weekly returns is 376.0 %².
Few assets follow HTO as closely as YORW, which ranks #3 of 13 tracked partners. Their recent paths diverged sharply: over the last 12 months HTO outperformed by 17.0 percentage points (+27.9% for HTO against +10.9% for YORW).
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.
HTO vs YORW: side by side
| HTO (H2O America) | YORW (The York Water Company) | |
|---|---|---|
| 1-year return | +27.9% | +10.9% |
| 5-year return | +4.2% | -26.0% |
| Volatility (ann.) | 24.2% | 20.5% |
| Beta vs S&P 500 | 0.14 | 0.18 |
| Max drawdown (3Y) | -32.4% | -26.4% |
| Market cap | $2.6B | $0.5B |
| P/E (trailing) | 22.5 | 21.2 |
| Dividend yield | 2.70% | 2.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HTO | YORW |
|---|---|---|
| 2022 | +13.4% | -7.9% |
| 2023 | -17.8% | -12.4% |
| 2024 | -22.6% | -13.2% |
| 2025 | +2.9% | +0.1% |
| 2026 | +31.8% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HTO and YORW good diversifiers for each other?
Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between HTO and YORW?
The HTO/YORW correlation stands at 0.76 on a 3-year window (1 year: 0.60, 5 years: 0.71), computed from weekly returns as of 2026-08-27.
Is YORW a good diversifier for HTO?
Somewhat, no more. With 0.76 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.76 mean?
A reading of 0.76 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/hto-vs-yorw.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/hto-vs-yorw/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HTO correlations · YORW correlations
