BJ vs ZYME: Correlation
BJ's Wholesale Club Holdings, Inc. (BJ) and Zymeworks Inc. (ZYME) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BJ and ZYME?
On 3 years of weekly data the BJ/ZYME correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.19 over 1 year against -0.26 over 3. The 5-year figure is -0.10, and annualized covariance runs at -342.9 %².
ZYME is close to the least connected end of BJ's tracked universe, ranking #40 of 43. Their recent paths diverged sharply: over the last 12 months ZYME outperformed by 101.2 percentage points (-6.9% for BJ against +94.3% for ZYME). Note the risk asymmetry: ZYME runs 1.9 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 ZYME: side by side
| BJ (BJ's Wholesale Club Holdings, Inc.) | ZYME (Zymeworks Inc.) | |
|---|---|---|
| 1-year return | -6.9% | +94.3% |
| 5-year return | +59.5% | -10.9% |
| Volatility (ann.) | 26.4% | 49.4% |
| Beta vs S&P 500 | -0.14 | 1.02 |
| Max drawdown (3Y) | -30.1% | -45.7% |
| Market cap | $11.4B | $2.1B |
| P/E (trailing) | 20.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BJ | ZYME |
|---|---|---|
| 2022 | -1.2% | -52.0% |
| 2023 | +0.8% | +32.2% |
| 2024 | +34.0% | +40.9% |
| 2025 | +0.8% | +79.8% |
| 2026 | +0.5% | +10.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BJ and ZYME good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BJ and ZYME?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.19 over the last year and -0.10 over 5 years.
Is ZYME a good diversifier for BJ?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 mean?
On the −1 to +1 scale, -0.26 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-zyme.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bj-vs-zyme/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BJ correlations · ZYME correlations