QQQ vs QUCY: Correlation
Invesco QQQ Trust (QQQ) and Quantum Cyber N.V. (QUCY) show a near-zero relationship: their 3-year correlation of weekly returns is 0.08.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and QUCY?
Across a 3-year window, the weekly returns of QQQ and QUCY correlate at 0.08, near zero, meaning they move largely independently. The relationship has been stable: the 1-year correlation (-0.00) sits close to the 3-year figure. Stretching to 5 years gives 0.07, with an annualized covariance of 3048.5 %².
By 3-year correlation, QUCY places #4001 of the 4755 assets tracked against QQQ. Correlation aside, the last 12 months split them widely, with QQQ ahead by 35.6 points (+26.3% versus -9.3%). One caveat on sizing: QUCY is 93.9 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.
QQQ vs QUCY: side by side
| QQQ (Invesco QQQ Trust) | QUCY (Quantum Cyber N.V.) | |
|---|---|---|
| 1-year return | +26.3% | -9.3% |
| 5-year return | +95.4% | -94.4% |
| Volatility (ann.) | 19.6% | 1840.9% |
| Beta vs S&P 500 | 1.28 | 3.76 |
| Max drawdown (3Y) | -22.8% | -95.9% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
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 | QQQ | QUCY |
|---|---|---|
| 2022 | -32.6% | -31.7% |
| 2023 | +54.9% | -83.7% |
| 2024 | +25.6% | +272.4% |
| 2025 | +20.8% | -74.1% |
| 2026 | +17.7% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and QUCY good diversifiers for each other?
Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and QUCY?
As of 2026-08-27, the correlation of weekly returns between QQQ and QUCY is 0.08 over 3 years, -0.00 over 1 year and 0.07 over 5 years.
Is QUCY a good diversifier for QQQ?
Yes: at 0.08, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.08 mean?
A reading of 0.08 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/qqq-vs-qucy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-qucy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · QUCY correlations