QQQ vs SID: Correlation
How closely do Invesco QQQ Trust (QQQ) and Companhia Siderurgica Nacional S.A. (SID) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SID?
On 3 years of weekly data the QQQ/SID correlation comes out at 0.31, moderate. Recent behaviour matches the longer record: 0.33 over 1 year against 0.31 over 3. The 5-year figure is 0.32, and annualized covariance runs at 300.0 %².
Among the 4755 assets we track against QQQ, SID ranks #1432 by 3-year correlation. The last year tells two different stories: QQQ led by 50.0 percentage points, +26.3% for QQQ against -23.7% for SID. One caveat on sizing: SID is 2.5 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 SID: side by side
| QQQ (Invesco QQQ Trust) | SID (Companhia Siderurgica Nacional S.A.) | |
|---|---|---|
| 1-year return | +26.3% | -23.7% |
| 5-year return | +95.4% | -77.7% |
| Volatility (ann.) | 19.6% | 49.3% |
| Beta vs S&P 500 | 1.28 | 1.22 |
| Max drawdown (3Y) | -22.8% | -76.0% |
| Market cap | – | $1.4B |
| 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, 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 | SID |
|---|---|---|
| 2022 | -32.6% | -29.7% |
| 2023 | +54.9% | +69.2% |
| 2024 | +25.6% | -59.6% |
| 2025 | +20.8% | +11.1% |
| 2026 | +17.7% | -33.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SID good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and SID?
As of 2026-08-27, the correlation of weekly returns between QQQ and SID is 0.31 over 3 years, 0.33 over 1 year and 0.32 over 5 years.
Is SID a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.31 mean?
A reading of 0.31 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-sid.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-sid/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · SID correlations
