QQQ vs RUSHA: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Rush Enterprises, Inc. (RUSHA) carry a correlation of 0.31, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RUSHA?
Over the past 3 years, QQQ and RUSHA moved with a correlation of 0.31, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.08 versus 0.31 over 3 years. Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 188.2 %².
Within QQQ's tracked universe of 4755 assets, RUSHA comes in at #1428 by 3-year correlation. The trailing year gives RUSHA the advantage: +26.3% versus +31.8%, a 5.5-point spread. Note the risk asymmetry: RUSHA runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 RUSHA: side by side
| QQQ (Invesco QQQ Trust) | RUSHA (Rush Enterprises, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +31.8% |
| 5-year return | +95.4% | +177.5% |
| Volatility (ann.) | 19.6% | 31.3% |
| Beta vs S&P 500 | 1.28 | 0.93 |
| Max drawdown (3Y) | -22.8% | -26.8% |
| Market cap | – | $8.3B |
| P/E (trailing) | – | 23.2 |
| Dividend yield | 0.44% | 0.99% |
| 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 | RUSHA |
|---|---|---|
| 2022 | -32.6% | -4.5% |
| 2023 | +54.9% | +46.7% |
| 2024 | +25.6% | +10.4% |
| 2025 | +20.8% | -0.2% |
| 2026 | +17.7% | +42.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RUSHA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and RUSHA?
Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.08 over the last year and 0.36 over 5 years.
Is RUSHA a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.31 mean?
A reading of 0.31 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 · RUSHA correlations
