DSWL vs QQQ: Correlation
Measured on weekly returns over the past three years, Deswell Industries, Inc. (DSWL) and Invesco QQQ Trust (QQQ) carry a correlation of 0.12, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DSWL and QQQ?
Across a 3-year window, the weekly returns of DSWL and QQQ correlate at 0.12, weak. Recent behaviour matches the longer record: 0.10 over 1 year against 0.12 over 3. Stretching to 5 years gives 0.16, with an annualized covariance of 69.2 %².
Among the 10 assets we track against DSWL, QQQ sits near the bottom by co-movement, at rank #7. The last year tells two different stories: QQQ led by 36.7 percentage points, -10.4% for DSWL against +26.3% for QQQ. One caveat on sizing: DSWL is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
DSWL vs QQQ: side by side
| DSWL (Deswell Industries, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -10.4% | +26.3% |
| 5-year return | +0.8% | +95.4% |
| Volatility (ann.) | 30.4% | 19.6% |
| Beta vs S&P 500 | 0.34 | 1.28 |
| Max drawdown (3Y) | -29.5% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 4.6 | – |
| Dividend yield | 6.45% | 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 | DSWL | QQQ |
|---|---|---|
| 2022 | -14.1% | -32.6% |
| 2023 | -8.3% | +54.9% |
| 2024 | -2.9% | +25.6% |
| 2025 | +54.7% | +20.8% |
| 2026 | -5.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DSWL and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.12 means the two rarely move for the same reasons.
FAQ
What is the correlation between DSWL and QQQ?
The DSWL/QQQ correlation stands at 0.12 on a 3-year window (1 year: 0.10, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for DSWL?
By historical standards, yes. A correlation of 0.12 means the two rarely move for the same reasons.
What does a correlation of 0.12 mean?
A reading of 0.12 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: DSWL correlations · QQQ correlations