PairBook
HomeQQQ › QQQ vs SWK

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.45
long-run
Ann. covariance
255.5
%² · weekly, annualized

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.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past three years.
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 5001.281.19
Max drawdown (3Y)-22.8%-48.3%
Market cap$15.0B
P/E (trailing)24.4
Dividend yield0.44%3.33%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechIndustrials
Higher yield: SWK 3.33% vs 0.44%Smaller drawdown: QQQ -22.8% vs -48.3%Higher 5y return: QQQ +95.4% vs -39.1%

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.

-18%0%+37%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). QQQ · SWK

Year-by-year returns

YearQQQSWK
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-swk.json

QQQ vs SWK: 3-year weekly correlation 0.37QQQ vs SWK0.37

Markdown for the live badge, attribution link included:

[![QQQ vs SWK correlation](https://www.pairbook.io/api/v1/badge/qqq-vs-swk.svg)](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