BIRK vs WFCF: Correlation
How closely do Birkenstock Holding plc (BIRK) and Where Food Comes From, Inc. (WFCF) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIRK and WFCF?
On 3 years of weekly data the BIRK/WFCF correlation comes out at 0.38, moderate. The link has tightened recently: the 1-year correlation (0.60) runs above the 3-year figure (0.38). The 5-year figure is n/a, and annualized covariance runs at 994.3 %².
By 3-year correlation, WFCF places #10 of the 15 assets tracked against BIRK. The last year tells two different stories: WFCF led by 42.7 percentage points, -32.3% for BIRK against +10.4% for WFCF.
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.
BIRK vs WFCF: side by side
| BIRK (Birkenstock Holding plc) | WFCF (Where Food Comes From, Inc.) | |
|---|---|---|
| 1-year return | -32.3% | +10.4% |
| 5-year return | n/a | +0.4% |
| Volatility (ann.) | 45.5% | 57.1% |
| Beta vs S&P 500 | 1.18 | 0.27 |
| Max drawdown (3Y) | -50.9% | -49.1% |
| Market cap | $5.8B | $0.1B |
| P/E (trailing) | 17.0 | 45.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BIRK | WFCF |
|---|---|---|
| 2022 | – | -3.7% |
| 2023 | – | -3.0% |
| 2024 | +16.3% | -2.3% |
| 2025 | -27.8% | -13.2% |
| 2026 | -13.7% | +15.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIRK and WFCF good diversifiers for each other?
Reasonably. At 0.38, BIRK and WFCF keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BIRK and WFCF?
As of 2026-08-27, the correlation of weekly returns between BIRK and WFCF is 0.38 over 3 years, 0.60 over 1 year and n/a over 5 years.
Is WFCF a good diversifier for BIRK?
Reasonably. At 0.38, BIRK and WFCF keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/birk-vs-wfcf.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/birk-vs-wfcf/)
No key needed, free to use. Full endpoint list in the API documentation.
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Hubs: BIRK correlations · WFCF correlations
