BCO vs QQQ: Correlation
Brinks Company (The) (BCO) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCO and QQQ?
Across a 3-year window, the weekly returns of BCO and QQQ correlate at 0.30, moderate. The link has loosened recently: the 1-year correlation (0.09) runs below the 3-year figure (0.30). Stretching to 5 years gives 0.38, with an annualized covariance of 177.7 %².
Among the 12 assets we track against BCO, QQQ sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with QQQ ahead by 28.1 points (-1.8% versus +26.3%). Note the risk asymmetry: BCO runs 1.6 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.
BCO vs QQQ: side by side
| BCO (Brinks Company (The)) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -1.8% | +26.3% |
| 5-year return | +48.9% | +95.4% |
| Volatility (ann.) | 30.5% | 19.6% |
| Beta vs S&P 500 | 0.85 | 1.28 |
| Max drawdown (3Y) | -31.9% | -22.8% |
| Market cap | $4.5B | – |
| P/E (trailing) | 25.8 | – |
| Dividend yield | 0.91% | 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 | BCO | QQQ |
|---|---|---|
| 2022 | -17.0% | -32.6% |
| 2023 | +65.9% | +54.9% |
| 2024 | +6.5% | +25.6% |
| 2025 | +27.2% | +20.8% |
| 2026 | -5.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCO and QQQ good diversifiers for each other?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BCO and QQQ?
As of 2026-08-27, the correlation of weekly returns between BCO and QQQ is 0.30 over 3 years, 0.09 over 1 year and 0.38 over 5 years.
Is QQQ a good diversifier for BCO?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.30 mean?
On the −1 to +1 scale, 0.30 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: BCO correlations · QQQ correlations
