BCTX vs EME: Correlation
How closely do BriaCell Therapeutics Corp. (BCTX) and Emcor (EME) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and EME?
Over the past 3 years, BCTX and EME moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.03) than the 3-year average (-0.27). Over 5 years the correlation is -0.22, and the annualized covariance of weekly returns is -6265.8 %².
By 3-year correlation, EME places #26 of the 31 assets tracked against BCTX. Correlation aside, the last 12 months split them widely, with EME ahead by 75.7 points (-51.2% versus +24.5%). Note the risk asymmetry: BCTX runs 19.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 EME: side by side
| BCTX (BriaCell Therapeutics Corp.) | EME (Emcor) | |
|---|---|---|
| 1-year return | -51.2% | +24.5% |
| 5-year return | -94.5% | +540.3% |
| Volatility (ann.) | 676.8% | 34.9% |
| Beta vs S&P 500 | -1.17 | 1.31 |
| Max drawdown (3Y) | -96.3% | -36.2% |
| Market cap | – | $34.2B |
| P/E (trailing) | – | 23.8 |
| Dividend yield | 0.00% | 0.09% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | BCTX | EME |
|---|---|---|
| 2022 | -47.2% | +16.8% |
| 2023 | +33.9% | +46.0% |
| 2024 | -90.4% | +111.3% |
| 2025 | +27.0% | +35.1% |
| 2026 | -47.8% | +26.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and EME good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BCTX and EME?
Using weekly returns as of 2026-08-27: -0.27 over 3 years, with 0.03 over the last year and -0.22 over 5 years.
Is EME a good diversifier for BCTX?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bctx-vs-eme.json
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Related comparisons
Hubs: BCTX correlations · EME correlations
