BJ vs CMPS: Correlation
BJ's Wholesale Club Holdings, Inc. (BJ) and COMPASS Pathways Plc - American Depository Shares (CMPS) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJ and CMPS?
On 3 years of weekly data the BJ/CMPS correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.24 lands near the 3-year figure. The 5-year figure is -0.08, and annualized covariance runs at -520.0 %².
Among the 43 assets we track against BJ, CMPS ranks #34 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CMPS ahead by 217.1 points (-6.9% versus +210.2%). Note the risk asymmetry: CMPS runs 3.0 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 CMPS: side by side
| BJ (BJ's Wholesale Club Holdings, Inc.) | CMPS (COMPASS Pathways Plc - American Depository Shares) | |
|---|---|---|
| 1-year return | -6.9% | +210.2% |
| 5-year return | +59.5% | -55.2% |
| Volatility (ann.) | 26.4% | 79.7% |
| Beta vs S&P 500 | -0.14 | 1.72 |
| Max drawdown (3Y) | -30.1% | -81.0% |
| Market cap | $11.4B | $2.0B |
| P/E (trailing) | 20.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BJ | CMPS |
|---|---|---|
| 2022 | -1.2% | -63.7% |
| 2023 | +0.8% | +9.0% |
| 2024 | +34.0% | -56.8% |
| 2025 | +0.8% | +82.5% |
| 2026 | +0.5% | +112.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJ and CMPS good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BJ and CMPS?
The BJ/CMPS correlation stands at -0.25 on a 3-year window (1 year: -0.24, 5 years: -0.08), computed from weekly returns as of 2026-08-27.
Is CMPS a good diversifier for BJ?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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/bj-vs-cmps.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bj-vs-cmps/)
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Related comparisons
Hubs: BJ correlations · CMPS correlations
