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BBCP vs QQQ: Correlation

How closely do Concrete Pumping Holdings, Inc. (BBCP) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.16, which is weak.

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

Correlation (3Y)
0.16
weak
Correlation (1Y)
-0.07
last 12 months
Correlation (5Y)
0.25
long-run
Ann. covariance
145.6
%² · weekly, annualized

How correlated are BBCP and QQQ?

On 3 years of weekly data the BBCP/QQQ correlation comes out at 0.16, weak. The past 12 months show a weaker link (-0.07) than the 3-year average (0.16). The 5-year figure is 0.25, and annualized covariance runs at 145.6 %².

Out of 10 assets tracked against BBCP, QQQ lands near the bottom at #7. The trailing year gives BBCP the advantage: +32.3% versus +26.3%, a 6.0-point spread. One caveat on sizing: BBCP is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

BBCP vs QQQ: side by side

BBCP (Concrete Pumping Holdings, Inc.)QQQ (Invesco QQQ Trust)
1-year return+32.3%+26.3%
5-year return+27.3%+95.4%
Volatility (ann.)45.9%19.6%
Beta vs S&P 5000.711.28
Max drawdown (3Y)-43.2%-22.8%
Market cap$0.5B
P/E (trailing)67.4
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 -43.2%Higher 5y return: QQQ +95.4% vs +27.3%

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.

-24%0%+52%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BBCP · QQQ

Year-by-year returns

YearBBCPQQQ
2022-28.7%-32.6%
2023+40.2%+54.9%
2024-18.8%+25.6%
2025+13.7%+20.8%
2026+40.5%+17.7%

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

Are BBCP and QQQ good diversifiers for each other?

By historical standards, yes. A correlation of 0.16 means the two rarely move for the same reasons.

FAQ

What is the correlation between BBCP and QQQ?

The BBCP/QQQ correlation stands at 0.16 on a 3-year window (1 year: -0.07, 5 years: 0.25), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for BBCP?

By historical standards, yes. A correlation of 0.16 means the two rarely move for the same reasons.

What does a correlation of 0.16 mean?

On the −1 to +1 scale, 0.16 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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BBCP vs QQQ: 3-year weekly correlation 0.16BBCP vs QQQ0.16

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Related comparisons

Hubs: BBCP correlations · QQQ correlations