BGI vs QQQ: Correlation
Measured on weekly returns over the past three years, Birks Group Inc. (BGI) and Invesco QQQ Trust (QQQ) carry a correlation of 0.05, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BGI and QQQ?
Across a 3-year window, the weekly returns of BGI and QQQ correlate at 0.05, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.08 lands near the 3-year figure. Stretching to 5 years gives 0.05, with an annualized covariance of 64.2 %².
Out of 10 assets tracked against BGI, QQQ lands near the bottom at #7. The last year tells two different stories: QQQ led by 77.7 percentage points, -51.4% for BGI against +26.3% for QQQ. Risk is not evenly split, since BGI carries 3.3 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.
BGI vs QQQ: side by side
| BGI (Birks Group Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -51.4% | +26.3% |
| 5-year return | -88.1% | +95.4% |
| Volatility (ann.) | 64.1% | 19.6% |
| Beta vs S&P 500 | 0.38 | 1.28 |
| Max drawdown (3Y) | -93.1% | -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 | BGI | QQQ |
|---|---|---|
| 2022 | +63.5% | -32.6% |
| 2023 | -40.9% | +54.9% |
| 2024 | -65.7% | +25.6% |
| 2025 | -44.1% | +20.8% |
| 2026 | -61.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BGI and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.05 means the two rarely move for the same reasons.
FAQ
What is the correlation between BGI and QQQ?
As of 2026-08-27, the correlation of weekly returns between BGI and QQQ is 0.05 over 3 years, 0.08 over 1 year and 0.05 over 5 years.
Is QQQ a good diversifier for BGI?
By historical standards, yes. A correlation of 0.05 means the two rarely move for the same reasons.
What does a correlation of 0.05 mean?
On the −1 to +1 scale, 0.05 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: BGI correlations · QQQ correlations
