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QQQ vs RBB: Correlation

How closely do Invesco QQQ Trust (QQQ) and RBB Bancorp (RBB) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.13
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
190.4
%² · weekly, annualized

How correlated are QQQ and RBB?

Across a 3-year window, the weekly returns of QQQ and RBB correlate at 0.30, moderate. The link has loosened recently: the 1-year correlation (0.13) runs below the 3-year figure (0.30). Stretching to 5 years gives 0.29, with an annualized covariance of 190.4 %².

Among the 4755 assets we track against QQQ, RBB ranks #1523 by 3-year correlation. The trailing year gives RBB the advantage: +26.3% versus +31.8%, a 5.5-point spread. One caveat on sizing: RBB is 1.7 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.

QQQ vs RBB: side by side

QQQ (Invesco QQQ Trust)RBB (RBB Bancorp)
1-year return+26.3%+31.8%
5-year return+95.4%+22.2%
Volatility (ann.)19.6%32.4%
Beta vs S&P 5001.280.96
Max drawdown (3Y)-22.8%-39.2%
Market cap$0.4B
P/E (trailing)10.8
Dividend yield0.44%2.43%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: RBB 2.43% vs 0.44%Smaller drawdown: QQQ -22.8% vs -39.2%Higher 5y return: QQQ +95.4% vs +22.2%

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.

-14%0%+43%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). QQQ · RBB

Year-by-year returns

YearQQQRBB
2022-32.6%-18.5%
2023+54.9%-4.4%
2024+25.6%+11.0%
2025+20.8%+4.4%
2026+17.7%+29.8%

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

Are QQQ and RBB good diversifiers for each other?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between QQQ and RBB?

As of 2026-08-27, the correlation of weekly returns between QQQ and RBB is 0.30 over 3 years, 0.13 over 1 year and 0.29 over 5 years.

Is RBB a good diversifier for QQQ?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.30 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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QQQ vs RBB: 3-year weekly correlation 0.30QQQ vs RBB0.30

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Hubs: QQQ correlations · RBB correlations