JJSF vs YORW: Correlation
J & J Snack Foods Corp. (JJSF) and The York Water Company (YORW) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JJSF and YORW?
Across a 3-year window, the weekly returns of JJSF and YORW correlate at 0.44, moderate. Recent behaviour matches the longer record: 0.36 over 1 year against 0.44 over 3. Stretching to 5 years gives 0.36, with an annualized covariance of 272.0 %².
Within JJSF's tracked universe of 11 assets, YORW comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with YORW ahead by 30.9 points (-20.0% versus +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.
JJSF vs YORW: side by side
| JJSF (J & J Snack Foods Corp.) | YORW (The York Water Company) | |
|---|---|---|
| 1-year return | -20.0% | +10.9% |
| 5-year return | -39.4% | -26.0% |
| Volatility (ann.) | 30.3% | 20.5% |
| Beta vs S&P 500 | 0.31 | 0.18 |
| Max drawdown (3Y) | -59.2% | -26.4% |
| Market cap | $1.6B | $0.5B |
| P/E (trailing) | 34.4 | 21.2 |
| Dividend yield | 3.61% | 2.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JJSF | YORW |
|---|---|---|
| 2022 | -3.4% | -7.9% |
| 2023 | +13.7% | -12.4% |
| 2024 | -5.4% | -13.2% |
| 2025 | -40.0% | +0.1% |
| 2026 | -0.9% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JJSF and YORW good diversifiers for each other?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between JJSF and YORW?
As of 2026-08-27, the correlation of weekly returns between JJSF and YORW is 0.44 over 3 years, 0.36 over 1 year and 0.36 over 5 years.
Is YORW a good diversifier for JJSF?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.44 mean?
A reading of 0.44 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/jjsf-vs-yorw.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/jjsf-vs-yorw/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: JJSF correlations · YORW correlations
