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DAIO vs QQQ: Correlation

How closely do Data I/O Corporation (DAIO) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.27, which is weak.

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

Correlation (3Y)
0.27
weak
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.26
long-run
Ann. covariance
229.8
%² · weekly, annualized

How correlated are DAIO and QQQ?

On 3 years of weekly data the DAIO/QQQ correlation comes out at 0.27, weak. Recent behaviour matches the longer record: 0.27 over 1 year against 0.27 over 3. The 5-year figure is 0.26, and annualized covariance runs at 229.8 %².

Among the 16 assets we track against DAIO, QQQ ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 27.0 points (-0.7% versus +26.3%). Risk is not evenly split, since DAIO carries 2.2 times the volatility of the other side.

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.

DAIO vs QQQ: side by side

DAIO (Data I/O Corporation)QQQ (Invesco QQQ Trust)
1-year return-0.7%+26.3%
5-year return-48.4%+95.4%
Volatility (ann.)43.6%19.6%
Beta vs S&P 5000.741.28
Max drawdown (3Y)-52.9%-22.8%
Market cap
P/E (trailing)
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 -52.9%Higher 5y return: QQQ +95.4% vs -48.4%

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.

-29%0%+32%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DAIO · QQQ

Year-by-year returns

YearDAIOQQQ
2022-13.9%-32.6%
2023-25.9%+54.9%
2024-5.8%+25.6%
2025+14.4%+20.8%
2026-6.0%+17.7%

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

Are DAIO and QQQ good diversifiers for each other?

Reasonably. At 0.27, DAIO and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between DAIO and QQQ?

The DAIO/QQQ correlation stands at 0.27 on a 3-year window (1 year: 0.27, 5 years: 0.26), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for DAIO?

Reasonably. At 0.27, DAIO and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.27 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.

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DAIO vs QQQ: 3-year weekly correlation 0.27DAIO vs QQQ0.27

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Hubs: DAIO correlations · QQQ correlations