QQQ vs SLGN: Correlation
Invesco QQQ Trust (QQQ) and Silgan Holdings Inc. (SLGN) show a weak relationship: their 3-year correlation of weekly returns is 0.15.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SLGN?
Over the past 3 years, QQQ and SLGN moved with a correlation of 0.15, which is weak. The link has loosened recently: the 1-year correlation (-0.00) runs below the 3-year figure (0.15). Over 5 years the correlation is 0.25, and the annualized covariance of weekly returns is 85.3 %².
Among the 4755 assets we track against QQQ, SLGN ranks #3395 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 34.2 percentage points (+26.3% for QQQ against -7.9% for SLGN).
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 SLGN: side by side
| QQQ (Invesco QQQ Trust) | SLGN (Silgan Holdings Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -7.9% |
| 5-year return | +95.4% | +5.9% |
| Volatility (ann.) | 19.6% | 29.4% |
| Beta vs S&P 500 | 1.28 | 0.58 |
| Max drawdown (3Y) | -22.8% | -35.0% |
| Market cap | – | $4.4B |
| P/E (trailing) | – | 16.9 |
| Dividend yield | 0.44% | 1.91% |
| 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 | SLGN |
|---|---|---|
| 2022 | -32.6% | +22.7% |
| 2023 | +54.9% | -11.3% |
| 2024 | +25.6% | +16.8% |
| 2025 | +20.8% | -21.1% |
| 2026 | +17.7% | +4.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SLGN good diversifiers for each other?
Yes: at 0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and SLGN?
As of 2026-08-27, the correlation of weekly returns between QQQ and SLGN is 0.15 over 3 years, -0.00 over 1 year and 0.25 over 5 years.
Is SLGN a good diversifier for QQQ?
Yes: at 0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.15 mean?
On the −1 to +1 scale, 0.15 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-slgn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-slgn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · SLGN correlations
