PRFX vs WILC: Correlation
How closely do PRF Technologies Ltd. (PRFX) and G. Willi-Food International, Ltd. (WILC) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRFX and WILC?
On 3 years of weekly data the PRFX/WILC correlation comes out at 0.41, moderate. The link has loosened recently: the 1-year correlation (0.19) runs below the 3-year figure (0.41). The 5-year figure is 0.32, and annualized covariance runs at 4402.8 %².
By 3-year correlation, WILC places #15 of the 23 assets tracked against PRFX. Their recent paths diverged sharply: over the last 12 months WILC outperformed by 128.5 percentage points (-87.7% for PRFX against +40.8% for WILC). Note the risk asymmetry: PRFX runs 7.9 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.
PRFX vs WILC: side by side
| PRFX (PRF Technologies Ltd.) | WILC (G. Willi-Food International, Ltd.) | |
|---|---|---|
| 1-year return | -87.7% | +40.8% |
| 5-year return | -99.9% | +69.9% |
| Volatility (ann.) | 291.2% | 36.7% |
| Beta vs S&P 500 | 2.46 | 0.54 |
| Max drawdown (3Y) | -99.3% | -30.6% |
| Market cap | – | $0.4B |
| P/E (trailing) | – | 16.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRFX | WILC |
|---|---|---|
| 2022 | -68.9% | -26.1% |
| 2023 | -33.4% | -17.5% |
| 2024 | -79.7% | +62.6% |
| 2025 | -80.9% | +86.6% |
| 2026 | -69.3% | +2.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRFX and WILC good diversifiers for each other?
Reasonably. At 0.41, PRFX and WILC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PRFX and WILC?
As of 2026-08-27, the correlation of weekly returns between PRFX and WILC is 0.41 over 3 years, 0.19 over 1 year and 0.32 over 5 years.
Is WILC a good diversifier for PRFX?
Reasonably. At 0.41, PRFX and WILC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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/prfx-vs-wilc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/prfx-vs-wilc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PRFX correlations · WILC correlations
