PKG vs PPCB: Correlation
Packaging Corporation of America (PKG) and Propanc Biopharma, Inc. (PPCB) show a negative relationship: their 3-year correlation of weekly returns is -0.29.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PKG and PPCB?
Over the past 3 years, PKG and PPCB moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.03 versus -0.29 over 3 years. Over 5 years the correlation is -0.22, and the annualized covariance of weekly returns is -6658067.5 %².
Among the 32 assets we track against PKG, PPCB sits near the bottom by co-movement, at rank #30. The last year tells two different stories: PKG led by 115.5 percentage points, +18.5% for PKG against -97.0% for PPCB. One caveat on sizing: PPCB is 40944.4 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.
PKG vs PPCB: side by side
| PKG (Packaging Corporation of America) | PPCB (Propanc Biopharma, Inc.) | |
|---|---|---|
| 1-year return | +18.5% | -97.0% |
| 5-year return | +86.8% | -99.9% |
| Volatility (ann.) | 23.5% | 962193.8% |
| Beta vs S&P 500 | 0.52 | -3746.20 |
| Max drawdown (3Y) | -28.4% | -99.8% |
| Market cap | $21.7B | – |
| P/E (trailing) | 31.6 | 0.0 |
| Dividend yield | 2.13% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | PKG | PPCB |
|---|---|---|
| 2022 | -2.6% | -98.6% |
| 2023 | +31.9% | -98.0% |
| 2024 | +41.7% | -98.3% |
| 2025 | -6.1% | +134050.0% |
| 2026 | +19.6% | -83.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PKG and PPCB good diversifiers for each other?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PKG and PPCB?
Using weekly returns as of 2026-08-27: -0.29 over 3 years, with -0.03 over the last year and -0.22 over 5 years.
Is PPCB a good diversifier for PKG?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.29 mean?
A reading of -0.29 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/pkg-vs-ppcb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pkg-vs-ppcb/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PKG correlations · PPCB correlations
