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III vs QQQ: Correlation

How closely do Information Services Group, Inc. (III) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.43
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
228.7
%² · weekly, annualized

How correlated are III and QQQ?

On 3 years of weekly data the III/QQQ correlation comes out at 0.30, moderate. The past 12 months show a tighter link (0.43) than the 3-year average (0.30). The 5-year figure is 0.39, and annualized covariance runs at 228.7 %².

Out of 16 assets tracked against III, QQQ lands near the bottom at #13. Correlation aside, the last 12 months split them widely, with QQQ ahead by 20.7 points (+5.6% versus +26.3%). Risk is not evenly split, since III carries 2.0 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.

III vs QQQ: side by side

III (Information Services Group, Inc.)QQQ (Invesco QQQ Trust)
1-year return+5.6%+26.3%
5-year return-14.6%+95.4%
Volatility (ann.)38.4%19.6%
Beta vs S&P 5000.991.28
Max drawdown (3Y)-41.5%-22.8%
Market cap$0.2B
P/E (trailing)21.0
Dividend yield3.63%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: III 3.63% vs 0.44%Smaller drawdown: QQQ -22.8% vs -41.5%Higher 5y return: QQQ +95.4% vs -14.6%

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.

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

Year-by-year returns

YearIIIQQQ
2022-38.1%-32.6%
2023+6.2%+54.9%
2024-25.3%+25.6%
2025+79.8%+20.8%
2026-10.8%+17.7%

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

Are III and QQQ good diversifiers for each other?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between III and QQQ?

As of 2026-08-27, the correlation of weekly returns between III and QQQ is 0.30 over 3 years, 0.43 over 1 year and 0.39 over 5 years.

Is QQQ a good diversifier for III?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.30 mean?

On the −1 to +1 scale, 0.30 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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III vs QQQ: 3-year weekly correlation 0.30III vs QQQ0.30

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Related comparisons

Hubs: III correlations · QQQ correlations