QQQ vs REX: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and REX American Resources Corporation (REX) 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 REX?
On 3 years of weekly data the QQQ/REX correlation comes out at 0.10, weak. Lately the two have drifted apart, with the 1-year correlation at -0.10 versus 0.10 over 3 years. The 5-year figure is 0.18, and annualized covariance runs at 81.5 %².
Within QQQ's tracked universe of 4755 assets, REX comes in at #3856 by 3-year correlation. The trailing year gives REX the advantage: +26.3% versus +34.7%, a 8.4-point spread. Risk is not evenly split, since REX carries 2.1 times the volatility of the other side.
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 REX: side by side
| QQQ (Invesco QQQ Trust) | REX (REX American Resources Corporation) | |
|---|---|---|
| 1-year return | +26.3% | +34.7% |
| 5-year return | +95.4% | +190.5% |
| Volatility (ann.) | 19.6% | 40.2% |
| Beta vs S&P 500 | 1.28 | 0.44 |
| Max drawdown (3Y) | -22.8% | -41.6% |
| Market cap | – | $1.3B |
| P/E (trailing) | – | 15.2 |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | REX |
|---|---|---|
| 2022 | -32.6% | -0.4% |
| 2023 | +54.9% | +48.5% |
| 2024 | +25.6% | -11.9% |
| 2025 | +20.8% | +55.0% |
| 2026 | +17.7% | +26.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and REX 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 REX?
Using weekly returns as of 2026-08-27: 0.10 over 3 years, with -0.10 over the last year and 0.18 over 5 years.
Is REX 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?
On the −1 to +1 scale, 0.10 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-rex.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rex/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QQQ correlations · REX correlations
