DDD vs QQQ: Correlation
Measured on weekly returns over the past three years, 3D Systems Corporation (DDD) and Invesco QQQ Trust (QQQ) carry a correlation of 0.39, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DDD and QQQ?
Over the past 3 years, DDD and QQQ moved with a correlation of 0.39, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.54 versus 0.39 over 3 years. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 671.7 %².
Within DDD's tracked universe of 12 assets, QQQ comes in at #7 by 3-year correlation. On 12-month performance DDD holds a 7.7-point edge, +34.0% against +26.3%. One caveat on sizing: DDD is 4.5 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.
DDD vs QQQ: side by side
| DDD (3D Systems Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +34.0% | +26.3% |
| 5-year return | -88.6% | +95.4% |
| Volatility (ann.) | 88.0% | 19.6% |
| Beta vs S&P 500 | 2.29 | 1.28 |
| Max drawdown (3Y) | -79.8% | -22.8% |
| Market cap | $0.6B | – |
| 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 | DDD | QQQ |
|---|---|---|
| 2022 | -65.6% | -32.6% |
| 2023 | -14.2% | +54.9% |
| 2024 | -48.3% | +25.6% |
| 2025 | -46.0% | +20.8% |
| 2026 | +93.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DDD and QQQ good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DDD and QQQ?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.54 over the last year and 0.49 over 5 years.
Is QQQ a good diversifier for DDD?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ddd-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ddd-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DDD correlations · QQQ correlations
