BCTX vs SLS: Correlation
Measured on weekly returns over the past three years, BriaCell Therapeutics Corp. (BCTX) and SELLAS Life Sciences Group, Inc. (SLS) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and SLS?
On 3 years of weekly data the BCTX/SLS correlation comes out at 0.34, moderate. Lately the two have drifted apart, with the 1-year correlation at -0.08 versus 0.34 over 3 years. The 5-year figure is 0.26, and annualized covariance runs at 23038.9 %².
Among the 31 assets we track against BCTX, SLS ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SLS outperformed by 743.4 percentage points (-51.2% for BCTX against +692.2% for SLS). Risk is not evenly split, since BCTX carries 6.7 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 SLS: side by side
| BCTX (BriaCell Therapeutics Corp.) | SLS (SELLAS Life Sciences Group, Inc.) | |
|---|---|---|
| 1-year return | -51.2% | +692.2% |
| 5-year return | -94.5% | +65.0% |
| Volatility (ann.) | 676.8% | 101.2% |
| Beta vs S&P 500 | -1.17 | 0.79 |
| Max drawdown (3Y) | -96.3% | -72.0% |
| Market cap | – | $3.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCTX | SLS |
|---|---|---|
| 2022 | -47.2% | -57.3% |
| 2023 | +33.9% | -55.1% |
| 2024 | -90.4% | -1.9% |
| 2025 | +27.0% | +262.5% |
| 2026 | -47.8% | +303.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and SLS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BCTX and SLS?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with -0.08 over the last year and 0.26 over 5 years.
Is SLS a good diversifier for BCTX?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 mean?
A reading of 0.34 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-sls.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bctx-vs-sls/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BCTX correlations · SLS correlations
