ATER vs WLFC: Correlation
Measured on weekly returns over the past three years, Aterian, Inc. (ATER) and Willis Lease Finance Corporation (WLFC) carry a correlation of 0.39, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATER and WLFC?
Across a 3-year window, the weekly returns of ATER and WLFC correlate at 0.39, moderate. The link has tightened recently: the 1-year correlation (0.55) runs above the 3-year figure (0.39). Stretching to 5 years gives 0.23, with an annualized covariance of 2144.0 %².
Within ATER's tracked universe of 10 assets, WLFC comes in at #4 by 3-year correlation. Their 12-month results are close: -61.2% for ATER against -63.3% for WLFC.
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.
ATER vs WLFC: side by side
| ATER (Aterian, Inc.) | WLFC (Willis Lease Finance Corporation) | |
|---|---|---|
| 1-year return | -61.2% | -63.3% |
| 5-year return | -99.5% | +47.2% |
| Volatility (ann.) | 90.5% | 61.3% |
| Beta vs S&P 500 | 1.58 | 1.30 |
| Max drawdown (3Y) | -94.0% | -77.4% |
| Market cap | – | $1.2B |
| P/E (trailing) | – | 13.8 |
| Dividend yield | 0.00% | 0.88% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATER | WLFC |
|---|---|---|
| 2022 | -81.3% | +56.7% |
| 2023 | -54.7% | -17.2% |
| 2024 | -42.7% | +327.3% |
| 2025 | -71.0% | -34.5% |
| 2026 | -43.6% | -59.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATER and WLFC good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATER and WLFC?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.55 over the last year and 0.23 over 5 years.
Is WLFC a good diversifier for ATER?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 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/ater-vs-wlfc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ater-vs-wlfc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATER correlations · WLFC correlations
