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QQQ vs RCBC: Correlation

Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and River City Bank (RCBC) carry a correlation of 0.10, a weak link.

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

Correlation (3Y)
0.10
weak
Correlation (1Y)
-0.13
last 12 months
Correlation (5Y)
0.10
long-run
Ann. covariance
43.1
%² · weekly, annualized

How correlated are QQQ and RCBC?

Over the past 3 years, QQQ and RCBC moved with a correlation of 0.10, which is weak. The link has loosened recently: the 1-year correlation (-0.13) runs below the 3-year figure (0.10). Over 5 years the correlation is 0.10, and the annualized covariance of weekly returns is 43.1 %².

Within QQQ's tracked universe of 4755 assets, RCBC comes in at #3854 by 3-year correlation. Over the last 12 months RCBC came out ahead by 10.0 percentage points (+26.3% against +36.3%).

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 RCBC: side by side

QQQ (Invesco QQQ Trust)RCBC (River City Bank)
1-year return+26.3%+36.3%
5-year return+95.4%+90.8%
Volatility (ann.)19.6%21.4%
Beta vs S&P 5001.280.25
Max drawdown (3Y)-22.8%-13.4%
Market cap$0.7B
P/E (trailing)10.6
Dividend yield0.44%0.38%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: QQQ 0.44% vs 0.38%Smaller drawdown: RCBC -13.4% vs -22.8%Higher 5y return: QQQ +95.4% vs +90.8%

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.

-2%0%+33%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). QQQ · RCBC

Year-by-year returns

YearQQQRCBC
2022-32.6%-11.3%
2023+54.9%-5.5%
2024+25.6%+38.4%
2025+20.8%+42.2%
2026+17.7%+13.9%

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

Are QQQ and RCBC good diversifiers for each other?

By historical standards, yes. A correlation of 0.10 means the two rarely move for the same reasons.

FAQ

What is the correlation between QQQ and RCBC?

Using weekly returns as of 2026-08-27: 0.10 over 3 years, with -0.13 over the last year and 0.10 over 5 years.

Is RCBC a good diversifier for QQQ?

By historical standards, yes. A correlation of 0.10 means the two rarely move for the same reasons.

What does a correlation of 0.10 mean?

A reading of 0.10 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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QQQ vs RCBC: 3-year weekly correlation 0.10QQQ vs RCBC0.10

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Hubs: QQQ correlations · RCBC correlations