PPCB vs ZKIN: Correlation
How closely do Propanc Biopharma, Inc. (PPCB) and ZK International Group Co., Ltd (ZKIN) trade together? Their weekly returns over three years give a correlation of 0.74, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPCB and ZKIN?
Over the past 3 years, PPCB and ZKIN moved with a correlation of 0.74, which is strong. The link has loosened recently: the 1-year correlation (0.15) runs below the 3-year figure (0.74). Over 5 years the correlation is 0.72, and the annualized covariance of weekly returns is 210890688.0 %².
In PPCB's tracked universe of 43 assets, ZKIN sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months ZKIN outperformed by 55.4 percentage points (-97.0% for PPCB against -41.6% for ZKIN). Risk is not evenly split, since PPCB carries 3245.2 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.
PPCB vs ZKIN: side by side
| PPCB (Propanc Biopharma, Inc.) | ZKIN (ZK International Group Co., Ltd) | |
|---|---|---|
| 1-year return | -97.0% | -41.6% |
| 5-year return | -99.9% | -68.9% |
| Volatility (ann.) | 962193.8% | 296.5% |
| Beta vs S&P 500 | -3746.20 | -1.03 |
| Max drawdown (3Y) | -99.8% | -74.7% |
| Market cap | – | $0.1B |
| P/E (trailing) | 0.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PPCB | ZKIN |
|---|---|---|
| 2022 | -98.6% | -70.6% |
| 2023 | -98.0% | +140.2% |
| 2024 | -98.3% | -38.8% |
| 2025 | +134050.0% | +150.0% |
| 2026 | -83.4% | -23.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPCB and ZKIN good diversifiers for each other?
Somewhat, no more. With 0.74 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PPCB and ZKIN?
As of 2026-08-27, the correlation of weekly returns between PPCB and ZKIN is 0.74 over 3 years, 0.15 over 1 year and 0.72 over 5 years.
Is ZKIN a good diversifier for PPCB?
Somewhat, no more. With 0.74 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.74 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ppcb-vs-zkin.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ppcb-vs-zkin/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PPCB correlations · ZKIN correlations
