AWK vs YORW: Correlation
Measured on weekly returns over the past three years, American Water Works (AWK) and The York Water Company (YORW) carry a correlation of 0.68, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AWK and YORW?
Over the past 3 years, AWK and YORW moved with a correlation of 0.68, which is strong. Recent behaviour matches the longer record: 0.63 over 1 year against 0.68 over 3. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 287.9 %².
Within AWK's tracked universe of 49 assets, YORW comes in at #6 by 3-year correlation. On 12-month performance YORW holds a 13.9-point edge, -3.0% against +10.9%.
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.
AWK vs YORW: side by side
| AWK (American Water Works) | YORW (The York Water Company) | |
|---|---|---|
| 1-year return | -3.0% | +10.9% |
| 5-year return | -16.6% | -26.0% |
| Volatility (ann.) | 20.7% | 20.5% |
| Beta vs S&P 500 | -0.11 | 0.18 |
| Max drawdown (3Y) | -18.8% | -26.4% |
| Market cap | $27.2B | $0.5B |
| P/E (trailing) | 23.7 | 21.2 |
| Dividend yield | 2.46% | 2.64% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | AWK | YORW |
|---|---|---|
| 2022 | -17.9% | -7.9% |
| 2023 | -11.7% | -12.4% |
| 2024 | -3.5% | -13.2% |
| 2025 | +7.4% | +0.1% |
| 2026 | +6.9% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AWK and YORW good diversifiers for each other?
To a limited degree. At 0.68 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 AWK and YORW?
The AWK/YORW correlation stands at 0.68 on a 3-year window (1 year: 0.63, 5 years: 0.64), computed from weekly returns as of 2026-08-27.
Is YORW a good diversifier for AWK?
To a limited degree. At 0.68 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 0.68 mean?
On the −1 to +1 scale, 0.68 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/awk-vs-yorw.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/awk-vs-yorw/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AWK correlations · YORW correlations
