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
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 500 | 1.28 | 0.25 |
| Max drawdown (3Y) | -22.8% | -13.4% |
| Market cap | – | $0.7B |
| P/E (trailing) | – | 10.6 |
| Dividend yield | 0.44% | 0.38% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
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.
Year-by-year returns
| Year | QQQ | RCBC |
|---|---|---|
| 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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Related comparisons
Hubs: QQQ correlations · RCBC correlations