BTAI vs WLDN: Correlation
Measured on weekly returns over the past three years, BioXcel Therapeutics, Inc. (BTAI) and Willdan Group, Inc. (WLDN) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BTAI and WLDN?
Over the past 3 years, BTAI and WLDN moved with a correlation of 0.42, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.09 versus 0.42 over 3 years. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 3614.7 %².
By 3-year correlation, WLDN places #6 of the 11 assets tracked against BTAI. The last year tells two different stories: WLDN led by 57.4 percentage points, -81.8% for BTAI against -24.4% for WLDN. Note the risk asymmetry: BTAI runs 3.1 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.
BTAI vs WLDN: side by side
| BTAI (BioXcel Therapeutics, Inc.) | WLDN (Willdan Group, Inc.) | |
|---|---|---|
| 1-year return | -81.8% | -24.4% |
| 5-year return | -99.8% | +134.3% |
| Volatility (ann.) | 162.0% | 52.6% |
| Beta vs S&P 500 | 2.19 | 0.98 |
| Max drawdown (3Y) | -99.2% | -50.4% |
| Market cap | – | $1.3B |
| P/E (trailing) | – | 20.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BTAI | WLDN |
|---|---|---|
| 2022 | +5.7% | -49.3% |
| 2023 | -86.3% | +20.4% |
| 2024 | -87.3% | +77.2% |
| 2025 | -73.3% | +172.1% |
| 2026 | -55.1% | -15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BTAI and WLDN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BTAI and WLDN?
The BTAI/WLDN correlation stands at 0.42 on a 3-year window (1 year: 0.09, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is WLDN a good diversifier for BTAI?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 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/btai-vs-wldn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/btai-vs-wldn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BTAI correlations · WLDN correlations
