A vs QQQ: Correlation
How closely do Agilent Technologies (A) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are A and QQQ?
Across a 3-year window, the weekly returns of A and QQQ correlate at 0.39, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.23 versus 0.39 over 3 years. Stretching to 5 years gives 0.49, with an annualized covariance of 234.0 %².
Within A's tracked universe of 33 assets, QQQ comes in at #21 by 3-year correlation. The trailing year gives A the advantage: +33.9% versus +26.3%, a 7.6-point spread. Across three years, the rolling one-year figure varied moderately, from 0.24 to 0.56. One caveat on sizing: A is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
A vs QQQ: side by side
| A (Agilent Technologies) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +33.9% | +26.3% |
| 5-year return | -7.5% | +95.4% |
| Volatility (ann.) | 31.0% | 19.6% |
| Beta vs S&P 500 | 0.98 | 1.28 |
| Max drawdown (3Y) | -35.3% | -22.8% |
| Market cap | $44.5B | – |
| P/E (trailing) | 30.6 | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Health Care | 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 | A | QQQ |
|---|---|---|
| 2022 | -5.5% | -32.6% |
| 2023 | -6.4% | +54.9% |
| 2024 | -2.7% | +25.6% |
| 2025 | +1.9% | +20.8% |
| 2026 | +16.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are A and QQQ good diversifiers for each other?
Reasonably. At 0.39, A and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between A and QQQ?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.23 over the last year and 0.49 over 5 years.
Is QQQ a good diversifier for A?
Reasonably. At 0.39, A and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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
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Related comparisons
Hubs: A correlations · QQQ correlations
