QQQ vs RDI: Correlation
How closely do Invesco QQQ Trust (QQQ) and Reading International Inc - Class A Non-voting (RDI) trade together? Their weekly returns over three years give a correlation of 0.03, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RDI?
On 3 years of weekly data the QQQ/RDI correlation comes out at 0.03, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.05 lands near the 3-year figure. The 5-year figure is 0.16, and annualized covariance runs at 29.8 %².
Among the 4755 assets we track against QQQ, RDI ranks #4333 by 3-year correlation. On 12-month performance RDI holds a 10.1-point edge, +26.3% against +36.4%. Note the risk asymmetry: RDI runs 2.3 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 RDI: side by side
| QQQ (Invesco QQQ Trust) | RDI (Reading International Inc - Class A Non-voting) | |
|---|---|---|
| 1-year return | +26.3% | +36.4% |
| 5-year return | +95.4% | -57.8% |
| Volatility (ann.) | 19.6% | 44.2% |
| Beta vs S&P 500 | 1.28 | 0.26 |
| Max drawdown (3Y) | -22.8% | -58.5% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| 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 | RDI |
|---|---|---|
| 2022 | -32.6% | -31.4% |
| 2023 | +54.9% | -31.0% |
| 2024 | +25.6% | -30.9% |
| 2025 | +20.8% | -20.5% |
| 2026 | +17.7% | +100.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RDI good diversifiers for each other?
By historical standards, yes. A correlation of 0.03 means the two rarely move for the same reasons.
FAQ
What is the correlation between QQQ and RDI?
As of 2026-08-27, the correlation of weekly returns between QQQ and RDI is 0.03 over 3 years, 0.05 over 1 year and 0.16 over 5 years.
Is RDI a good diversifier for QQQ?
By historical standards, yes. A correlation of 0.03 means the two rarely move for the same reasons.
What does a correlation of 0.03 mean?
On the −1 to +1 scale, 0.03 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.
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Related comparisons
Hubs: QQQ correlations · RDI correlations
