BJ vs VSTM: Correlation
How closely do BJ's Wholesale Club Holdings, Inc. (BJ) and Verastem, Inc. (VSTM) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJ and VSTM?
Over the past 3 years, BJ and VSTM moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.22 over 1 year against -0.20 over 3. Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -551.6 %².
By 3-year correlation, VSTM places #19 of the 43 assets tracked against BJ. The trailing year gives BJ the advantage: -6.9% versus -20.6%, a 13.7-point spread. Note the risk asymmetry: VSTM runs 3.9 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.
BJ vs VSTM: side by side
| BJ (BJ's Wholesale Club Holdings, Inc.) | VSTM (Verastem, Inc.) | |
|---|---|---|
| 1-year return | -6.9% | -20.6% |
| 5-year return | +59.5% | -77.0% |
| Volatility (ann.) | 26.4% | 102.2% |
| Beta vs S&P 500 | -0.14 | 1.38 |
| Max drawdown (3Y) | -30.1% | -84.4% |
| Market cap | $11.4B | $0.7B |
| P/E (trailing) | 20.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BJ | VSTM |
|---|---|---|
| 2022 | -1.2% | -80.5% |
| 2023 | +0.8% | +69.6% |
| 2024 | +34.0% | -36.5% |
| 2025 | +0.8% | +49.3% |
| 2026 | +0.5% | -4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJ and VSTM good diversifiers for each other?
Yes. With a correlation of -0.20, BJ and VSTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BJ and VSTM?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.22 over the last year and -0.13 over 5 years.
Is VSTM a good diversifier for BJ?
Yes. With a correlation of -0.20, BJ and VSTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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.
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Related comparisons
Hubs: BJ correlations · VSTM correlations
