PairBook
HomeBBY › BBY vs QQQ

BBY vs QQQ: Correlation

Measured on weekly returns over the past three years, Best Buy (BBY) and Invesco QQQ Trust (QQQ) carry a correlation of 0.30, a moderate link.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.19
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
217.2
%² · weekly, annualized

How correlated are BBY and QQQ?

Over the past 3 years, BBY and QQQ moved with a correlation of 0.30, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.19 versus 0.30 over 3 years. Over 5 years the correlation is 0.43, and the annualized covariance of weekly returns is 217.2 %².

By 3-year correlation, QQQ places #23 of the 33 assets tracked against BBY. Over the last 12 months QQQ came out ahead by 9.4 percentage points (+16.9% against +26.3%). The relationship is regime-dependent: the rolling one-year correlation swung between -0.03 and 0.61 over the past three years, so this pair behaves very differently depending on the market environment. One caveat on sizing: BBY is 1.9 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+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.

BBY vs QQQ: side by side

BBY (Best Buy)QQQ (Invesco QQQ Trust)
1-year return+16.9%+26.3%
5-year return-11.2%+95.4%
Volatility (ann.)37.6%19.6%
Beta vs S&P 5000.971.28
Max drawdown (3Y)-44.3%-22.8%
Market cap
P/E (trailing)16.2
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryConsumer DiscretionaryETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -44.3%Higher 5y return: QQQ +95.4% vs -11.2%

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%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BBY · QQQ

Year-by-year returns

YearBBYQQQ
2022-17.5%-32.6%
2023+2.5%+54.9%
2024+14.4%+25.6%
2025-17.8%+20.8%
2026+28.4%+17.7%

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

Are BBY and QQQ good diversifiers for each other?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between BBY and QQQ?

The BBY/QQQ correlation stands at 0.30 on a 3-year window (1 year: 0.19, 5 years: 0.43), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for BBY?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.30 mean?

A reading of 0.30 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/bby-vs-qqq.json

BBY vs QQQ: 3-year weekly correlation 0.30BBY vs QQQ0.30

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

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

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

Related comparisons

Hubs: BBY correlations · QQQ correlations