QQQ vs SEI: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Solaris Energy Infrastructure, Inc. (SEI) carry a correlation of 0.33, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SEI?
Across a 3-year window, the weekly returns of QQQ and SEI correlate at 0.33, moderate. Little has changed lately, as the 1-year reading of 0.39 lands near the 3-year figure. Stretching to 5 years gives 0.28, with an annualized covariance of 471.4 %².
By 3-year correlation, SEI places #1226 of the 4755 assets tracked against QQQ. Correlation aside, the last 12 months split them widely, with SEI ahead by 53.9 points (+26.3% versus +80.2%). One caveat on sizing: SEI is 3.7 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 SEI: side by side
| QQQ (Invesco QQQ Trust) | SEI (Solaris Energy Infrastructure, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +80.2% |
| 5-year return | +95.4% | +759.3% |
| Volatility (ann.) | 19.6% | 72.5% |
| Beta vs S&P 500 | 1.28 | 1.79 |
| Max drawdown (3Y) | -22.8% | -55.4% |
| Market cap | – | $5.3B |
| P/E (trailing) | – | 66.1 |
| Dividend yield | 0.44% | 0.93% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
On the fund side, QQQ sits in the Large Growth category at Invesco, with $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | SEI |
|---|---|---|
| 2022 | -32.6% | +57.5% |
| 2023 | +54.9% | -15.7% |
| 2024 | +25.6% | +277.7% |
| 2025 | +20.8% | +62.3% |
| 2026 | +17.7% | +15.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SEI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and SEI?
The QQQ/SEI correlation stands at 0.33 on a 3-year window (1 year: 0.39, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is SEI a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.33 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/qqq-vs-sei.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-sei/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QQQ correlations · SEI correlations
