QQQ vs RBBN: Correlation
How closely do Invesco QQQ Trust (QQQ) and Ribbon Communications Inc. (RBBN) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RBBN?
Across a 3-year window, the weekly returns of QQQ and RBBN correlate at 0.47, moderate. Little has changed lately, as the 1-year reading of 0.53 lands near the 3-year figure. Stretching to 5 years gives 0.40, with an annualized covariance of 470.4 %².
Within QQQ's tracked universe of 4755 assets, RBBN comes in at #366 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 76.2 points (+26.3% versus -49.9%). Note the risk asymmetry: RBBN runs 2.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 RBBN: side by side
| QQQ (Invesco QQQ Trust) | RBBN (Ribbon Communications Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -49.9% |
| 5-year return | +95.4% | -69.7% |
| Volatility (ann.) | 19.6% | 50.8% |
| Beta vs S&P 500 | 1.28 | 1.67 |
| Max drawdown (3Y) | -22.8% | -62.1% |
| Market cap | – | $0.4B |
| P/E (trailing) | – | 25.0 |
| 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 | RBBN |
|---|---|---|
| 2022 | -32.6% | -53.9% |
| 2023 | +54.9% | +3.9% |
| 2024 | +25.6% | +43.4% |
| 2025 | +20.8% | -30.8% |
| 2026 | +17.7% | -30.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RBBN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and RBBN?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.53 over the last year and 0.40 over 5 years.
Is RBBN a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 mean?
On the −1 to +1 scale, 0.47 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/qqq-vs-rbbn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rbbn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QQQ correlations · RBBN correlations
