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GENC vs QQQ: Correlation

How closely do Gencor Industries, Inc. (GENC) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.24, which is weak.

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

Correlation (3Y)
0.24
weak
Correlation (1Y)
0.02
last 12 months
Correlation (5Y)
0.21
long-run
Ann. covariance
167.5
%² · weekly, annualized

How correlated are GENC and QQQ?

On 3 years of weekly data the GENC/QQQ correlation comes out at 0.24, weak. The link has loosened recently: the 1-year correlation (0.02) runs below the 3-year figure (0.24). The 5-year figure is 0.21, and annualized covariance runs at 167.5 %².

QQQ is close to the least connected end of GENC's tracked universe, ranking #8 of 11. On 12-month performance QQQ holds a 10.4-point edge, +15.9% against +26.3%. Risk is not evenly split, since GENC carries 1.9 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.

GENC vs QQQ: side by side

GENC (Gencor Industries, Inc.)QQQ (Invesco QQQ Trust)
1-year return+15.9%+26.3%
5-year return+63.6%+95.4%
Volatility (ann.)36.4%19.6%
Beta vs S&P 5000.831.28
Max drawdown (3Y)-55.7%-22.8%
Market cap$0.3B
P/E (trailing)18.7
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 -55.7%Higher 5y return: QQQ +95.4% vs +63.6%

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.

-22%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GENC · QQQ

Year-by-year returns

YearGENCQQQ
2022-12.4%-32.6%
2023+59.8%+54.9%
2024+9.4%+25.6%
2025-26.6%+20.8%
2026+47.2%+17.7%

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

Are GENC and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.24 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between GENC and QQQ?

As of 2026-08-27, the correlation of weekly returns between GENC and QQQ is 0.24 over 3 years, 0.02 over 1 year and 0.21 over 5 years.

Is QQQ a good diversifier for GENC?

Yes, to a useful degree: a correlation of 0.24 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.24 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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GENC vs QQQ: 3-year weekly correlation 0.24GENC vs QQQ0.24

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Hubs: GENC correlations · QQQ correlations