BYRN vs QQQ: Correlation
Byrna Technologies, Inc. (BYRN) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BYRN and QQQ?
Across a 3-year window, the weekly returns of BYRN and QQQ correlate at 0.21, weak. The link has loosened recently: the 1-year correlation (0.06) runs below the 3-year figure (0.21). Stretching to 5 years gives 0.21, with an annualized covariance of 350.8 %².
Among the 10 assets we track against BYRN, QQQ sits near the bottom by co-movement, at rank #7. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 108.5 percentage points (-82.2% for BYRN against +26.3% for QQQ). Note the risk asymmetry: BYRN runs 4.4 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.
BYRN vs QQQ: side by side
| BYRN (Byrna Technologies, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -82.2% | +26.3% |
| 5-year return | -87.6% | +95.4% |
| Volatility (ann.) | 87.2% | 19.6% |
| Beta vs S&P 500 | 1.40 | 1.28 |
| Max drawdown (3Y) | -90.7% | -22.8% |
| Market cap | $0.1B | – |
| 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 | BYRN | QQQ |
|---|---|---|
| 2022 | -41.3% | -32.6% |
| 2023 | -18.5% | +54.9% |
| 2024 | +350.9% | +25.6% |
| 2025 | -41.7% | +20.8% |
| 2026 | -78.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BYRN and QQQ good diversifiers for each other?
A fair diversifier. At 0.21, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BYRN and QQQ?
The BYRN/QQQ correlation stands at 0.21 on a 3-year window (1 year: 0.06, 5 years: 0.21), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for BYRN?
A fair diversifier. At 0.21, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.21 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
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Related comparisons
Hubs: BYRN correlations · QQQ correlations
