BCTX vs QQQ: Correlation
BriaCell Therapeutics Corp. (BCTX) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is -0.03.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCTX and QQQ?
Over the past 3 years, BCTX and QQQ moved with a correlation of -0.03, which is near zero, meaning they move largely independently. The past 12 months show a tighter link (0.29) than the 3-year average (-0.03). Over 5 years the correlation is -0.00, and the annualized covariance of weekly returns is -359.4 %².
Within BCTX's tracked universe of 31 assets, QQQ comes in at #11 by 3-year correlation. The last year tells two different stories: QQQ led by 77.5 percentage points, -51.2% for BCTX against +26.3% for QQQ. Note the risk asymmetry: BCTX runs 34.5 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 QQQ: side by side
| BCTX (BriaCell Therapeutics Corp.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -51.2% | +26.3% |
| 5-year return | -94.5% | +95.4% |
| Volatility (ann.) | 676.8% | 19.6% |
| Beta vs S&P 500 | -1.17 | 1.28 |
| Max drawdown (3Y) | -96.3% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | BCTX | QQQ |
|---|---|---|
| 2022 | -47.2% | -32.6% |
| 2023 | +33.9% | +54.9% |
| 2024 | -90.4% | +25.6% |
| 2025 | +27.0% | +20.8% |
| 2026 | -47.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCTX and QQQ good diversifiers for each other?
Yes: at -0.03, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BCTX and QQQ?
The BCTX/QQQ correlation stands at -0.03 on a 3-year window (1 year: 0.29, 5 years: -0.00), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for BCTX?
Yes: at -0.03, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.03 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.
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Hubs: BCTX correlations · QQQ correlations
