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IIIN vs QQQ: Correlation

How closely do Insteel Industries, Inc. (IIIN) 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)
-0.20
last 12 months
Correlation (5Y)
0.27
long-run
Ann. covariance
209.2
%² · weekly, annualized

How correlated are IIIN and QQQ?

On 3 years of weekly data the IIIN/QQQ correlation comes out at 0.27, weak. The past 12 months show a weaker link (-0.20) than the 3-year average (0.27). The 5-year figure is 0.27, and annualized covariance runs at 209.2 %².

Within IIIN's tracked universe of 17 assets, QQQ comes in at #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 44.5 points (-18.2% versus +26.3%). Note the risk asymmetry: IIIN runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

IIIN vs QQQ: side by side

IIIN (Insteel Industries, Inc.)QQQ (Invesco QQQ Trust)
1-year return-18.2%+26.3%
5-year return+6.5%+95.4%
Volatility (ann.)39.5%19.6%
Beta vs S&P 5000.991.28
Max drawdown (3Y)-37.0%-22.8%
Market cap$0.6B
P/E (trailing)16.3
Dividend yield0.39%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.39%Smaller drawdown: QQQ -22.8% vs -37.0%Higher 5y return: QQQ +95.4% vs +6.5%

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.

-33%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IIIN · QQQ

Year-by-year returns

YearIIINQQQ
2022-25.6%-32.6%
2023+50.0%+54.9%
2024-26.8%+25.6%
2025+21.5%+20.8%
2026-3.1%+17.7%

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

Are IIIN and QQQ good diversifiers for each other?

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

FAQ

What is the correlation between IIIN and QQQ?

As of 2026-08-27, the correlation of weekly returns between IIIN and QQQ is 0.27 over 3 years, -0.20 over 1 year and 0.27 over 5 years.

Is QQQ a good diversifier for IIIN?

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

What does a correlation of 0.27 mean?

A reading of 0.27 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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IIIN vs QQQ: 3-year weekly correlation 0.27IIIN vs QQQ0.27

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Hubs: IIIN correlations · QQQ correlations