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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

Correlation (3Y)
0.12
weak
Correlation (1Y)
0.10
last 12 months
Correlation (5Y)
0.16
long-run
Ann. covariance
69.2
%² · weekly, annualized

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 5000.341.28
Max drawdown (3Y)-29.5%-22.8%
Market cap
P/E (trailing)4.6
Dividend yield6.45%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: DSWL 6.45% vs 0.44%Smaller drawdown: QQQ -22.8% vs -29.5%Higher 5y return: QQQ +95.4% vs +0.8%

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.

-26%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DSWL · QQQ

Year-by-year returns

YearDSWLQQQ
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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DSWL vs QQQ: 3-year weekly correlation 0.12DSWL vs QQQ0.12

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Hubs: DSWL correlations · QQQ correlations