LLY vs WLDN: Correlation
Lilly (Eli) (LLY) and Willdan Group, Inc. (WLDN) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LLY and WLDN?
Across a 3-year window, the weekly returns of LLY and WLDN correlate at -0.19, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.08) than the 3-year average (-0.19). Stretching to 5 years gives -0.07, with an annualized covariance of -374.7 %².
Among the 29 assets we track against LLY, WLDN ranks #22 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months LLY outperformed by 85.6 percentage points (+61.2% for LLY against -24.4% for WLDN).
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.
LLY vs WLDN: side by side
| LLY (Lilly (Eli)) | WLDN (Willdan Group, Inc.) | |
|---|---|---|
| 1-year return | +61.2% | -24.4% |
| 5-year return | +369.2% | +134.3% |
| Volatility (ann.) | 36.6% | 52.6% |
| Beta vs S&P 500 | 0.57 | 0.98 |
| Max drawdown (3Y) | -34.5% | -50.4% |
| Market cap | $1,048.8B | $1.3B |
| P/E (trailing) | 40.0 | 20.2 |
| Dividend yield | 0.54% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | LLY | WLDN |
|---|---|---|
| 2022 | +34.3% | -49.3% |
| 2023 | +60.9% | +20.4% |
| 2024 | +33.3% | +77.2% |
| 2025 | +40.2% | +172.1% |
| 2026 | +10.0% | -15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LLY and WLDN good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between LLY and WLDN?
The LLY/WLDN correlation stands at -0.19 on a 3-year window (1 year: -0.08, 5 years: -0.07), computed from weekly returns as of 2026-08-27.
Is WLDN a good diversifier for LLY?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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/lly-vs-wldn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lly-vs-wldn/)
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Related comparisons
Hubs: LLY correlations · WLDN correlations
