PairBook
HomeMDU › MDU vs QQQ

MDU vs QQQ: Correlation

How closely do MDU Resources Group, Inc. (MDU) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.21, which is weak.

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

Correlation (3Y)
0.21
weak
Correlation (1Y)
-0.08
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
101.3
%² · weekly, annualized

How correlated are MDU and QQQ?

Across a 3-year window, the weekly returns of MDU and QQQ correlate at 0.21, weak. Lately the two have drifted apart, with the 1-year correlation at -0.08 versus 0.21 over 3 years. Stretching to 5 years gives 0.29, with an annualized covariance of 101.3 %².

Among the 11 assets we track against MDU, QQQ sits near the bottom by co-movement, at rank #8. Twelve-month performance is nearly a tie, at +26.3% for MDU and +26.3% for QQQ.

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.

MDU vs QQQ: side by side

MDU (MDU Resources Group, Inc.)QQQ (Invesco QQQ Trust)
1-year return+26.3%+26.3%
5-year return+90.7%+95.4%
Volatility (ann.)25.2%19.6%
Beta vs S&P 5000.551.28
Max drawdown (3Y)-21.5%-22.8%
Market cap$4.2B
P/E (trailing)21.7
Dividend yield2.76%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: MDU 2.76% vs 0.44%Smaller drawdown: MDU -21.5% vs -22.8%Higher 5y return: QQQ +95.4% vs +90.7%

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.

-2%0%+43%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MDU · QQQ

Year-by-year returns

YearMDUQQQ
2022+1.5%-32.6%
2023-1.9%+54.9%
2024+68.0%+25.6%
2025+11.8%+20.8%
2026+4.8%+17.7%

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

Are MDU and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between MDU and QQQ?

Using weekly returns as of 2026-08-27: 0.21 over 3 years, with -0.08 over the last year and 0.29 over 5 years.

Is QQQ a good diversifier for MDU?

Yes, to a useful degree: a correlation of 0.21 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.21 mean?

A reading of 0.21 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/mdu-vs-qqq.json

MDU vs QQQ: 3-year weekly correlation 0.21MDU vs QQQ0.21

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

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

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

Related comparisons

Hubs: MDU correlations · QQQ correlations