PairBook
HomeGNRC › GNRC vs QQQ

GNRC vs QQQ: Correlation

How closely do Generac (GNRC) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.40
moderate
Correlation (1Y)
0.31
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
359.3
%² · weekly, annualized

How correlated are GNRC and QQQ?

Over the past 3 years, GNRC and QQQ moved with a correlation of 0.40, which is moderate. Recent behaviour matches the longer record: 0.31 over 1 year against 0.40 over 3. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 359.3 %².

Within GNRC's tracked universe of 35 assets, QQQ comes in at #23 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 20.8 points (+5.5% versus +26.3%). On a rolling one-year basis the correlation drifted between 0.13 and 0.62, a moderate band. Note the risk asymmetry: GNRC runs 2.4 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
One-year correlation, rolled weekly across the last 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.

GNRC vs QQQ: side by side

GNRC (Generac)QQQ (Invesco QQQ Trust)
1-year return+5.5%+26.3%
5-year return-55.4%+95.4%
Volatility (ann.)46.1%19.6%
Beta vs S&P 5001.351.28
Max drawdown (3Y)-47.8%-22.8%
Market cap$11.6B
P/E (trailing)47.4
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryIndustrialsETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -47.8%Higher 5y return: QQQ +95.4% vs -55.4%

QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-23%0%+54%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GNRC · QQQ

Year-by-year returns

YearGNRCQQQ
2022-71.4%-32.6%
2023+28.4%+54.9%
2024+20.0%+25.6%
2025-12.0%+20.8%
2026+44.7%+17.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are GNRC and QQQ good diversifiers for each other?

A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between GNRC and QQQ?

The GNRC/QQQ correlation stands at 0.40 on a 3-year window (1 year: 0.31, 5 years: 0.48), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for GNRC?

A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.40 mean?

A reading of 0.40 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

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

GNRC vs QQQ: 3-year weekly correlation 0.40GNRC vs QQQ0.40

Embed this badge (it refreshes with the data), with attribution:

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

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: GNRC correlations · QQQ correlations