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EME vs QQQ: Correlation

Emcor (EME) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.50.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.33
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
341.8
%² · weekly, annualized

How correlated are EME and QQQ?

Over the past 3 years, EME and QQQ moved with a correlation of 0.50, which is moderate. The link has loosened recently: the 1-year correlation (0.33) runs below the 3-year figure (0.50). Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 341.8 %².

Among the 34 assets we track against EME, QQQ ranks #22 by 3-year correlation. Neither side won the trailing year by much: +24.5% against +26.3%. The rolling one-year correlation moved between 0.25 and 0.69 over the past three years, a moderate range. One caveat on sizing: EME is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+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.

EME vs QQQ: side by side

EME (Emcor)QQQ (Invesco QQQ Trust)
1-year return+24.5%+26.3%
5-year return+540.3%+95.4%
Volatility (ann.)34.9%19.6%
Beta vs S&P 5001.311.28
Max drawdown (3Y)-36.2%-22.8%
Market cap$34.2B
P/E (trailing)23.8
Dividend yield0.09%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryIndustrialsETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.09%Smaller drawdown: QQQ -22.8% vs -36.2%Higher 5y return: EME +540.3% 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.

-7%0%+48%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. EME · QQQ

Year-by-year returns

YearEMEQQQ
2022+16.8%-32.6%
2023+46.0%+54.9%
2024+111.3%+25.6%
2025+35.1%+20.8%
2026+26.9%+17.7%

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

Are EME and QQQ good diversifiers for each other?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between EME and QQQ?

As of 2026-08-27, the correlation of weekly returns between EME and QQQ is 0.50 over 3 years, 0.33 over 1 year and 0.50 over 5 years.

Is QQQ a good diversifier for EME?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.50 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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EME vs QQQ: 3-year weekly correlation 0.50EME vs QQQ0.50

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Hubs: EME correlations · QQQ correlations