BCTX vs REBN: Correlation
How closely do BriaCell Therapeutics Corp. (BCTX) and Reborn Coffee, Inc. (REBN) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and REBN?
Over the past 3 years, BCTX and REBN moved with a correlation of 0.42, which is moderate. The past 12 months show a weaker link (0.20) than the 3-year average (0.42). Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 46075.0 %².
Within BCTX's tracked universe of 31 assets, REBN comes in at #7 by 3-year correlation. Neither side won the trailing year by much: -51.2% against -52.8%. Risk is not evenly split, since BCTX carries 4.2 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 REBN: side by side
| BCTX (BriaCell Therapeutics Corp.) | REBN (Reborn Coffee, Inc.) | |
|---|---|---|
| 1-year return | -51.2% | -52.8% |
| 5-year return | -94.5% | n/a |
| Volatility (ann.) | 676.8% | 162.3% |
| Beta vs S&P 500 | -1.17 | 1.65 |
| Max drawdown (3Y) | -96.3% | -87.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCTX | REBN |
|---|---|---|
| 2022 | -47.2% | – |
| 2023 | +33.9% | -30.5% |
| 2024 | -90.4% | -63.6% |
| 2025 | +27.0% | -10.2% |
| 2026 | -47.8% | -10.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and REBN good diversifiers for each other?
Reasonably. At 0.42, BCTX and REBN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCTX and REBN?
As of 2026-08-27, the correlation of weekly returns between BCTX and REBN is 0.42 over 3 years, 0.20 over 1 year and 0.41 over 5 years.
Is REBN a good diversifier for BCTX?
Reasonably. At 0.42, BCTX and REBN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 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-rebn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bctx-vs-rebn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BCTX correlations · REBN correlations
