QQQ vs SSD: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Simpson Manufacturing Company, Inc. (SSD) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SSD?
Over the past 3 years, QQQ and SSD moved with a correlation of 0.37, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.19 versus 0.37 over 3 years. Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 212.9 %².
Within QQQ's tracked universe of 4755 assets, SSD comes in at #874 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 31.6 points (+26.3% versus -5.3%). Note the risk asymmetry: SSD runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 SSD: side by side
| QQQ (Invesco QQQ Trust) | SSD (Simpson Manufacturing Company, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -5.3% |
| 5-year return | +95.4% | +65.7% |
| Volatility (ann.) | 19.6% | 29.5% |
| Beta vs S&P 500 | 1.28 | 0.89 |
| Max drawdown (3Y) | -22.8% | -34.4% |
| Market cap | – | $7.5B |
| P/E (trailing) | – | 20.3 |
| Dividend yield | 0.44% | 0.63% |
| 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 | SSD |
|---|---|---|
| 2022 | -32.6% | -35.6% |
| 2023 | +54.9% | +125.4% |
| 2024 | +25.6% | -15.7% |
| 2025 | +20.8% | -1.9% |
| 2026 | +17.7% | +13.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SSD good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between QQQ and SSD?
As of 2026-08-27, the correlation of weekly returns between QQQ and SSD is 0.37 over 3 years, 0.19 over 1 year and 0.46 over 5 years.
Is SSD a good diversifier for QQQ?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 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-ssd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-ssd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · SSD correlations
