DCO vs QQQ: Correlation
Measured on weekly returns over the past three years, Ducommun Incorporated (DCO) and Invesco QQQ Trust (QQQ) carry a correlation of 0.30, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCO and QQQ?
Over the past 3 years, DCO and QQQ moved with a correlation of 0.30, which is moderate. The relationship has been stable: the 1-year correlation (0.20) sits close to the 3-year figure. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 178.5 %².
Among the 12 assets we track against DCO, QQQ sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with DCO ahead by 73.2 points (+99.5% versus +26.3%). Risk is not evenly split, since DCO carries 1.5 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.
DCO vs QQQ: side by side
| DCO (Ducommun Incorporated) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +99.5% | +26.3% |
| 5-year return | +248.0% | +95.4% |
| Volatility (ann.) | 30.0% | 19.6% |
| Beta vs S&P 500 | 0.78 | 1.28 |
| Max drawdown (3Y) | -23.5% | -22.8% |
| Market cap | $2.8B | – |
| P/E (trailing) | – | – |
| 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 | DCO | QQQ |
|---|---|---|
| 2022 | +6.8% | -32.6% |
| 2023 | +4.2% | +54.9% |
| 2024 | +22.3% | +25.6% |
| 2025 | +49.4% | +20.8% |
| 2026 | +93.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCO and QQQ good diversifiers for each other?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DCO and QQQ?
Using weekly returns as of 2026-08-27: 0.30 over 3 years, with 0.20 over the last year and 0.35 over 5 years.
Is QQQ a good diversifier for DCO?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.30 mean?
On the −1 to +1 scale, 0.30 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/dco-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dco-vs-qqq/)
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Related comparisons
Hubs: DCO correlations · QQQ correlations
