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DIOD vs QQQ: Correlation

How closely do Diodes Incorporated (DIOD) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.59
long-run
Ann. covariance
538.0
%² · weekly, annualized

How correlated are DIOD and QQQ?

On 3 years of weekly data the DIOD/QQQ correlation comes out at 0.55, moderate. Little has changed lately, as the 1-year reading of 0.58 lands near the 3-year figure. The 5-year figure is 0.59, and annualized covariance runs at 538.0 %².

By 3-year correlation, QQQ places #16 of the 25 assets tracked against DIOD. Their recent paths diverged sharply: over the last 12 months DIOD outperformed by 35.4 percentage points (+61.7% for DIOD against +26.3% for QQQ). One caveat on sizing: DIOD is 2.6 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.

DIOD vs QQQ: side by side

DIOD (Diodes Incorporated)QQQ (Invesco QQQ Trust)
1-year return+61.7%+26.3%
5-year return-7.4%+95.4%
Volatility (ann.)50.3%19.6%
Beta vs S&P 5001.841.28
Max drawdown (3Y)-60.1%-22.8%
Market cap$4.2B
P/E (trailing)48.6
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -60.1%Higher 5y return: QQQ +95.4% vs -7.4%

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.

-16%0%+125%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DIOD · QQQ

Year-by-year returns

YearDIODQQQ
2022-30.7%-32.6%
2023+5.8%+54.9%
2024-23.4%+25.6%
2025-20.0%+20.8%
2026+84.2%+17.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are DIOD and QQQ good diversifiers for each other?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between DIOD and QQQ?

As of 2026-08-27, the correlation of weekly returns between DIOD and QQQ is 0.55 over 3 years, 0.58 over 1 year and 0.59 over 5 years.

Is QQQ a good diversifier for DIOD?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.55 mean?

A reading of 0.55 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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DIOD vs QQQ: 3-year weekly correlation 0.55DIOD vs QQQ0.55

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Hubs: DIOD correlations · QQQ correlations