QQQ vs SGI: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Somnigroup International Inc. (SGI) 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 SGI?
Over the past 3 years, QQQ and SGI moved with a correlation of 0.33, which is moderate. The past 12 months show a weaker link (0.14) than the 3-year average (0.33). Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 219.8 %².
By 3-year correlation, SGI places #1228 of the 4755 assets tracked against QQQ. Correlation aside, the last 12 months split them widely, with QQQ ahead by 51.7 points (+26.3% versus -25.4%). One caveat on sizing: SGI is 1.7 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 SGI: side by side
| QQQ (Invesco QQQ Trust) | SGI (Somnigroup International Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -25.4% |
| 5-year return | +95.4% | +44.9% |
| Volatility (ann.) | 19.6% | 33.8% |
| Beta vs S&P 500 | 1.28 | 1.02 |
| Max drawdown (3Y) | -22.8% | -37.1% |
| Market cap | – | $13.1B |
| P/E (trailing) | – | 24.8 |
| Dividend yield | 0.44% | 1.02% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | SGI |
|---|---|---|
| 2022 | -32.6% | -26.0% |
| 2023 | +54.9% | +50.1% |
| 2024 | +25.6% | +12.3% |
| 2025 | +20.8% | +58.8% |
| 2026 | +17.7% | -29.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SGI 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 SGI?
As of 2026-08-27, the correlation of weekly returns between QQQ and SGI is 0.33 over 3 years, 0.14 over 1 year and 0.45 over 5 years.
Is SGI 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?
A reading of 0.33 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: QQQ correlations · SGI correlations
