PPCB vs SABS: Correlation
How closely do Propanc Biopharma, Inc. (PPCB) and SAB Biotherapeutics, Inc. (SABS) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PPCB and SABS?
On 3 years of weekly data the PPCB/SABS correlation comes out at -0.31, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.02) runs above the 3-year figure (-0.31). The 5-year figure is -0.21, and annualized covariance runs at -26220287.4 %².
Out of 43 assets tracked against PPCB, SABS lands near the bottom at #39. The last year tells two different stories: SABS led by 182.4 percentage points, -97.0% for PPCB against +85.4% for SABS. One caveat on sizing: PPCB is 11072.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 SABS: side by side
| PPCB (Propanc Biopharma, Inc.) | SABS (SAB Biotherapeutics, Inc.) | |
|---|---|---|
| 1-year return | -97.0% | +85.4% |
| 5-year return | -99.9% | -96.1% |
| Volatility (ann.) | 962193.8% | 86.9% |
| Beta vs S&P 500 | -3746.20 | 0.67 |
| Max drawdown (3Y) | -99.8% | -89.0% |
| Market cap | – | $0.4B |
| P/E (trailing) | 0.0 | 16.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PPCB | SABS |
|---|---|---|
| 2022 | -98.6% | -92.4% |
| 2023 | -98.0% | +16.6% |
| 2024 | -98.3% | -44.9% |
| 2025 | +134050.0% | -1.4% |
| 2026 | -83.4% | +5.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PPCB and SABS good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PPCB and SABS?
As of 2026-08-27, the correlation of weekly returns between PPCB and SABS is -0.31 over 3 years, -0.02 over 1 year and -0.21 over 5 years.
Is SABS a good diversifier for PPCB?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 mean?
On the −1 to +1 scale, -0.31 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/ppcb-vs-sabs.json
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Related comparisons
Hubs: PPCB correlations · SABS correlations