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HEI vs QQQ: Correlation

How closely do Heico Corporation (HEI) 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)
0.44
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
197.1
%² · weekly, annualized

How correlated are HEI and QQQ?

Across a 3-year window, the weekly returns of HEI and QQQ correlate at 0.37, moderate. Recent behaviour matches the longer record: 0.44 over 1 year against 0.37 over 3. Stretching to 5 years gives 0.43, with an annualized covariance of 197.1 %².

By 3-year correlation, QQQ places #7 of the 12 assets tracked against HEI. The last year tells two different stories: QQQ led by 19.8 percentage points, +6.5% for HEI against +26.3% for QQQ.

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.

HEI vs QQQ: side by side

HEI (Heico Corporation)QQQ (Invesco QQQ Trust)
1-year return+6.5%+26.3%
5-year return+169.4%+95.4%
Volatility (ann.)27.5%19.6%
Beta vs S&P 5000.851.28
Max drawdown (3Y)-27.1%-22.8%
Market cap
P/E (trailing)57.8
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 -27.1%Higher 5y return: HEI +169.4% 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.

-18%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. HEI · QQQ

Year-by-year returns

YearHEIQQQ
2022+6.7%-32.6%
2023+16.6%+54.9%
2024+33.1%+25.6%
2025+36.2%+20.8%
2026+4.2%+17.7%

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

Are HEI 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 HEI and QQQ?

Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.44 over the last year and 0.43 over 5 years.

Is QQQ a good diversifier for HEI?

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?

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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HEI vs QQQ: 3-year weekly correlation 0.37HEI vs QQQ0.37

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Hubs: HEI correlations · QQQ correlations