DDT vs QQQ: Correlation
How closely do Dillard's Capital Trust I (DDT) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.21, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DDT and QQQ?
Over the past 3 years, DDT and QQQ moved with a correlation of 0.21, which is weak. Lately the two have drifted apart, with the 1-year correlation at 0.09 versus 0.21 over 3 years. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 24.6 %².
QQQ is close to the least connected end of DDT's tracked universe, ranking #8 of 12. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 18.0 percentage points (+8.3% for DDT against +26.3% for QQQ). Note the risk asymmetry: QQQ runs 3.2 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.
DDT vs QQQ: side by side
| DDT (Dillard's Capital Trust I) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +8.3% | +26.3% |
| 5-year return | +43.4% | +95.4% |
| Volatility (ann.) | 6.1% | 19.6% |
| Beta vs S&P 500 | 0.11 | 1.28 |
| Max drawdown (3Y) | -4.6% | -22.8% |
| Dividend yield | – | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
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 | DDT | QQQ |
|---|---|---|
| 2022 | -3.3% | -32.6% |
| 2023 | +9.8% | +54.9% |
| 2024 | +7.4% | +25.6% |
| 2025 | +9.5% | +20.8% |
| 2026 | +6.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DDT and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DDT and QQQ?
Using weekly returns as of 2026-08-27: 0.21 over 3 years, with 0.09 over the last year and 0.24 over 5 years.
Is QQQ a good diversifier for DDT?
Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.21 mean?
A reading of 0.21 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ddt-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ddt-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DDT correlations · QQQ correlations
