EXTR vs QQQ: Correlation
Measured on weekly returns over the past three years, Extreme Networks, Inc. (EXTR) 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 EXTR and QQQ?
On 3 years of weekly data the EXTR/QQQ correlation comes out at 0.39, moderate. The link has loosened recently: the 1-year correlation (0.19) runs below the 3-year figure (0.39). The 5-year figure is 0.43, and annualized covariance runs at 350.8 %².
By 3-year correlation, QQQ places #6 of the 11 assets tracked against EXTR. Correlation aside, the last 12 months split them widely, with QQQ ahead by 18.3 points (+8.0% versus +26.3%). One caveat on sizing: EXTR is 2.4 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.
EXTR vs QQQ: side by side
| EXTR (Extreme Networks, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +8.0% | +26.3% |
| 5-year return | +112.0% | +95.4% |
| Volatility (ann.) | 46.3% | 19.6% |
| Beta vs S&P 500 | 1.23 | 1.28 |
| Max drawdown (3Y) | -61.5% | -22.8% |
| Market cap | $3.0B | – |
| P/E (trailing) | 72.6 | – |
| 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 | EXTR | QQQ |
|---|---|---|
| 2022 | +16.6% | -32.6% |
| 2023 | -3.7% | +54.9% |
| 2024 | -5.1% | +25.6% |
| 2025 | -0.5% | +20.8% |
| 2026 | +39.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXTR 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 EXTR and QQQ?
The EXTR/QQQ correlation stands at 0.39 on a 3-year window (1 year: 0.19, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for EXTR?
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/extr-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/extr-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EXTR correlations · QQQ correlations
