PSTL vs WDFC: Correlation
Measured on weekly returns over the past three years, Postal Realty Trust, Inc. (PSTL) and WD-40 Company (WDFC) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSTL and WDFC?
On 3 years of weekly data the PSTL/WDFC correlation comes out at 0.40, moderate. Recent behaviour matches the longer record: 0.48 over 1 year against 0.40 over 3. The 5-year figure is 0.35, and annualized covariance runs at 243.8 %².
Within PSTL's tracked universe of 13 assets, WDFC comes in at #7 by 3-year correlation. The last year tells two different stories: PSTL led by 57.1 percentage points, +57.8% for PSTL against +0.7% for WDFC.
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.
PSTL vs WDFC: side by side
| PSTL (Postal Realty Trust, Inc.) | WDFC (WD-40 Company) | |
|---|---|---|
| 1-year return | +57.8% | +0.7% |
| 5-year return | +61.4% | +0.9% |
| Volatility (ann.) | 22.1% | 27.6% |
| Beta vs S&P 500 | 0.31 | 0.18 |
| Max drawdown (3Y) | -13.6% | -34.2% |
| Market cap | $0.9B | $2.9B |
| P/E (trailing) | 44.1 | 33.3 |
| Dividend yield | 4.11% | 1.85% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSTL | WDFC |
|---|---|---|
| 2022 | -22.4% | -33.0% |
| 2023 | +6.9% | +50.9% |
| 2024 | -4.1% | +2.9% |
| 2025 | +32.7% | -17.4% |
| 2026 | +50.0% | +12.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSTL and WDFC good diversifiers for each other?
Reasonably. At 0.40, PSTL and WDFC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PSTL and WDFC?
The PSTL/WDFC correlation stands at 0.40 on a 3-year window (1 year: 0.48, 5 years: 0.35), computed from weekly returns as of 2026-08-27.
Is WDFC a good diversifier for PSTL?
Reasonably. At 0.40, PSTL and WDFC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.40 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/pstl-vs-wdfc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pstl-vs-wdfc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PSTL correlations · WDFC correlations
