BCTX vs PPCB: Correlation
Measured on weekly returns over the past three years, BriaCell Therapeutics Corp. (BCTX) and Propanc Biopharma, Inc. (PPCB) carry a correlation of 0.99, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and PPCB?
Over the past 3 years, BCTX and PPCB moved with a correlation of 0.99, which is very strong, meaning they move nearly in lockstep. The link has loosened recently: the 1-year correlation (0.10) runs below the 3-year figure (0.99). Over 5 years the correlation is 0.98, and the annualized covariance of weekly returns is 642867212.6 %².
In BCTX's tracked universe of 31 assets, PPCB sits right near the top at #1. The last year tells two different stories: BCTX led by 45.8 percentage points, -51.2% for BCTX against -97.0% for PPCB. Risk is not evenly split, since PPCB carries 1421.7 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 PPCB: side by side
| BCTX (BriaCell Therapeutics Corp.) | PPCB (Propanc Biopharma, Inc.) | |
|---|---|---|
| 1-year return | -51.2% | -97.0% |
| 5-year return | -94.5% | -99.9% |
| Volatility (ann.) | 676.8% | 962193.8% |
| Beta vs S&P 500 | -1.17 | -3746.20 |
| Max drawdown (3Y) | -96.3% | -99.8% |
| Market cap | – | – |
| P/E (trailing) | – | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCTX | PPCB |
|---|---|---|
| 2022 | -47.2% | -98.6% |
| 2023 | +33.9% | -98.0% |
| 2024 | -90.4% | -98.3% |
| 2025 | +27.0% | +134050.0% |
| 2026 | -47.8% | -83.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and PPCB good diversifiers for each other?
No: a correlation of 0.99 means BCTX and PPCB tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between BCTX and PPCB?
Using weekly returns as of 2026-08-27: 0.99 over 3 years, with 0.10 over the last year and 0.98 over 5 years.
Is PPCB a good diversifier for BCTX?
No: a correlation of 0.99 means BCTX and PPCB tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.99 mean?
A reading of 0.99 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bctx-vs-ppcb.json
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Related comparisons
Hubs: BCTX correlations · PPCB correlations
