ADUS vs QQQ: Correlation
How closely do Addus HomeCare Corporation (ADUS) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.19, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADUS and QQQ?
Over the past 3 years, ADUS and QQQ moved with a correlation of 0.19, which is weak. Recent behaviour matches the longer record: 0.09 over 1 year against 0.19 over 3. Over 5 years the correlation is 0.28, and the annualized covariance of weekly returns is 101.9 %².
QQQ is close to the least connected end of ADUS's tracked universe, ranking #8 of 11. Correlation aside, the last 12 months split them widely, with QQQ ahead by 24.1 points (+2.2% versus +26.3%).
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.
ADUS vs QQQ: side by side
| ADUS (Addus HomeCare Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +2.2% | +26.3% |
| 5-year return | +31.2% | +95.4% |
| Volatility (ann.) | 27.2% | 19.6% |
| Beta vs S&P 500 | 0.41 | 1.28 |
| Max drawdown (3Y) | -34.9% | -22.8% |
| Market cap | $2.2B | – |
| P/E (trailing) | 20.7 | – |
| Dividend yield | 0.00% | 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 | ADUS | QQQ |
|---|---|---|
| 2022 | +6.4% | -32.6% |
| 2023 | -6.7% | +54.9% |
| 2024 | +35.0% | +25.6% |
| 2025 | -14.3% | +20.8% |
| 2026 | +9.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADUS and QQQ good diversifiers for each other?
Yes. With a correlation of 0.19, ADUS and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ADUS and QQQ?
The ADUS/QQQ correlation stands at 0.19 on a 3-year window (1 year: 0.09, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for ADUS?
Yes. With a correlation of 0.19, ADUS and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.19 mean?
On the −1 to +1 scale, 0.19 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/adus-vs-qqq.json
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Related comparisons
Hubs: ADUS correlations · QQQ correlations
