BCTX vs ZKIN: Correlation
BriaCell Therapeutics Corp. (BCTX) and ZK International Group Co., Ltd (ZKIN) show a strong relationship: their 3-year correlation of weekly returns is 0.72.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and ZKIN?
Across a 3-year window, the weekly returns of BCTX and ZKIN correlate at 0.72, strong. The link has loosened recently: the 1-year correlation (0.13) runs below the 3-year figure (0.72). Stretching to 5 years gives 0.70, with an annualized covariance of 144439.3 %².
In BCTX's tracked universe of 31 assets, ZKIN sits right near the top at #3. The trailing year gives ZKIN the advantage: -51.2% versus -41.6%, a 9.6-point spread. Risk is not evenly split, since BCTX carries 2.3 times the volatility of the other side.
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.
BCTX vs ZKIN: side by side
| BCTX (BriaCell Therapeutics Corp.) | ZKIN (ZK International Group Co., Ltd) | |
|---|---|---|
| 1-year return | -51.2% | -41.6% |
| 5-year return | -94.5% | -68.9% |
| Volatility (ann.) | 676.8% | 296.5% |
| Beta vs S&P 500 | -1.17 | -1.03 |
| Max drawdown (3Y) | -96.3% | -74.7% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCTX | ZKIN |
|---|---|---|
| 2022 | -47.2% | -70.6% |
| 2023 | +33.9% | +140.2% |
| 2024 | -90.4% | -38.8% |
| 2025 | +27.0% | +150.0% |
| 2026 | -47.8% | -23.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and ZKIN good diversifiers for each other?
Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BCTX and ZKIN?
The BCTX/ZKIN correlation stands at 0.72 on a 3-year window (1 year: 0.13, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is ZKIN a good diversifier for BCTX?
Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.72 mean?
On the −1 to +1 scale, 0.72 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/bctx-vs-zkin.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bctx-vs-zkin/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BCTX correlations · ZKIN correlations
