BCTX vs PKG: Correlation
BriaCell Therapeutics Corp. (BCTX) and Packaging Corporation of America (PKG) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and PKG?
Across a 3-year window, the weekly returns of BCTX and PKG correlate at -0.28, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at 0.04 versus -0.28 over 3 years. Stretching to 5 years gives -0.20, with an annualized covariance of -4392.1 %².
Out of 31 assets tracked against BCTX, PKG lands near the bottom at #27. Correlation aside, the last 12 months split them widely, with PKG ahead by 69.7 points (-51.2% versus +18.5%). One caveat on sizing: BCTX is 28.8 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.
BCTX vs PKG: side by side
| BCTX (BriaCell Therapeutics Corp.) | PKG (Packaging Corporation of America) | |
|---|---|---|
| 1-year return | -51.2% | +18.5% |
| 5-year return | -94.5% | +86.8% |
| Volatility (ann.) | 676.8% | 23.5% |
| Beta vs S&P 500 | -1.17 | 0.52 |
| Max drawdown (3Y) | -96.3% | -28.4% |
| Market cap | – | $21.7B |
| P/E (trailing) | – | 31.6 |
| Dividend yield | 0.00% | 2.13% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | BCTX | PKG |
|---|---|---|
| 2022 | -47.2% | -2.6% |
| 2023 | +33.9% | +31.9% |
| 2024 | -90.4% | +41.7% |
| 2025 | +27.0% | -6.1% |
| 2026 | -47.8% | +19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and PKG good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BCTX and PKG?
Using weekly returns as of 2026-08-27: -0.28 over 3 years, with 0.04 over the last year and -0.20 over 5 years.
Is PKG a good diversifier for BCTX?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.28 mean?
A reading of -0.28 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
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Related comparisons
Hubs: BCTX correlations · PKG correlations
