QQQ vs SWK: Correlation
How closely do Invesco QQQ Trust (QQQ) and Stanley Black & Decker (SWK) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SWK?
Over the past 3 years, QQQ and SWK moved with a correlation of 0.37, which is moderate. The relationship has been stable: the 1-year correlation (0.27) sits close to the 3-year figure. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 255.5 %².
By 3-year correlation, SWK places #876 of the 4755 assets tracked against QQQ. Over the last 12 months SWK came out ahead by 10.7 percentage points (+26.3% against +37.0%). Across three years, the rolling one-year figure varied moderately, from 0.15 to 0.63. Note the risk asymmetry: SWK runs 1.8 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 SWK: side by side
| QQQ (Invesco QQQ Trust) | SWK (Stanley Black & Decker) | |
|---|---|---|
| 1-year return | +26.3% | +37.0% |
| 5-year return | +95.4% | -39.1% |
| Volatility (ann.) | 19.6% | 35.4% |
| Beta vs S&P 500 | 1.28 | 1.19 |
| Max drawdown (3Y) | -22.8% | -48.3% |
| Market cap | – | $15.0B |
| P/E (trailing) | – | 24.4 |
| Dividend yield | 0.44% | 3.33% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | Industrials |
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 | SWK |
|---|---|---|
| 2022 | -32.6% | -58.9% |
| 2023 | +54.9% | +35.6% |
| 2024 | +25.6% | -15.2% |
| 2025 | +20.8% | -3.2% |
| 2026 | +17.7% | +36.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SWK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and SWK?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.27 over the last year and 0.45 over 5 years.
Is SWK a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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-swk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-swk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · SWK correlations