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GWW vs QQQ: Correlation

How closely do W. W. Grainger (GWW) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.03
last 12 months
Correlation (5Y)
0.45
long-run
Ann. covariance
167.0
%² · weekly, annualized

How correlated are GWW and QQQ?

Across a 3-year window, the weekly returns of GWW and QQQ correlate at 0.37, moderate. The link has loosened recently: the 1-year correlation (0.03) runs below the 3-year figure (0.37). Stretching to 5 years gives 0.45, with an annualized covariance of 167.0 %².

By 3-year correlation, QQQ places #18 of the 29 assets tracked against GWW. Their 12-month results are close: +31.0% for GWW against +26.3% for QQQ. This link changes with the market regime, having swung between 0.00 and 0.58 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

GWW vs QQQ: side by side

GWW (W. W. Grainger)QQQ (Invesco QQQ Trust)
1-year return+31.0%+26.3%
5-year return+219.4%+95.4%
Volatility (ann.)23.3%19.6%
Beta vs S&P 5000.741.28
Max drawdown (3Y)-24.5%-22.8%
Market cap$62.2B
P/E (trailing)34.0
Dividend yield0.69%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryIndustrialsETF · US Growth & Tech
Higher yield: GWW 0.69% vs 0.44%Smaller drawdown: QQQ -22.8% vs -24.5%Higher 5y return: GWW +219.4% vs +95.4%

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.

-6%0%+41%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GWW · QQQ

Year-by-year returns

YearGWWQQQ
2022+8.7%-32.6%
2023+50.5%+54.9%
2024+28.2%+25.6%
2025-3.4%+20.8%
2026+31.7%+17.7%

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

Are GWW and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between GWW and QQQ?

As of 2026-08-27, the correlation of weekly returns between GWW and QQQ is 0.37 over 3 years, 0.03 over 1 year and 0.45 over 5 years.

Is QQQ a good diversifier for GWW?

Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.37 mean?

A reading of 0.37 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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GWW vs QQQ: 3-year weekly correlation 0.37GWW vs QQQ0.37

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Related comparisons

Hubs: GWW correlations · QQQ correlations