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PNR vs QQQ: Correlation

How closely do Pentair (PNR) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.23
last 12 months
Correlation (5Y)
0.56
long-run
Ann. covariance
251.6
%² · weekly, annualized

How correlated are PNR and QQQ?

Over the past 3 years, PNR and QQQ moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.23) than the 3-year average (0.46). Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 251.6 %².

By 3-year correlation, QQQ places #24 of the 38 assets tracked against PNR. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 68.8 percentage points (-42.5% for PNR against +26.3% for QQQ). This link changes with the market regime, having swung between 0.06 and 0.78 on a rolling one-year basis.

+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.

PNR vs QQQ: side by side

PNR (Pentair)QQQ (Invesco QQQ Trust)
1-year return-42.5%+26.3%
5-year return-14.1%+95.4%
Volatility (ann.)28.2%19.6%
Beta vs S&P 5001.071.28
Max drawdown (3Y)-45.0%-22.8%
Market cap$9.9B
P/E (trailing)16.2
Dividend yield1.65%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryIndustrialsETF · US Growth & Tech
Higher yield: PNR 1.65% vs 0.44%Smaller drawdown: QQQ -22.8% vs -45.0%Higher 5y return: QQQ +95.4% vs -14.1%

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.

-43%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PNR · QQQ

Year-by-year returns

YearPNRQQQ
2022-37.4%-32.6%
2023+64.2%+54.9%
2024+40.0%+25.6%
2025+4.5%+20.8%
2026-39.8%+17.7%

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

Are PNR and QQQ good diversifiers for each other?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between PNR and QQQ?

The PNR/QQQ correlation stands at 0.46 on a 3-year window (1 year: 0.23, 5 years: 0.56), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for PNR?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.46 mean?

On the −1 to +1 scale, 0.46 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.

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PNR vs QQQ: 3-year weekly correlation 0.46PNR vs QQQ0.46

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Hubs: PNR correlations · QQQ correlations