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IQV vs QQQ: Correlation

Measured on weekly returns over the past three years, IQVIA (IQV) and Invesco QQQ Trust (QQQ) carry a correlation of 0.26, a weak link.

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

Correlation (3Y)
0.26
weak
Correlation (1Y)
0.19
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
193.0
%² · weekly, annualized

How correlated are IQV and QQQ?

On 3 years of weekly data the IQV/QQQ correlation comes out at 0.26, weak. Recent behaviour matches the longer record: 0.19 over 1 year against 0.26 over 3. The 5-year figure is 0.44, and annualized covariance runs at 193.0 %².

By 3-year correlation, QQQ places #27 of the 37 assets tracked against IQV. On 12-month performance IQV holds a 12.7-point edge, +39.0% against +26.3%. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.11 to 0.74. Risk is not evenly split, since IQV carries 1.9 times the volatility of the other side.

+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.

IQV vs QQQ: side by side

IQV (IQVIA)QQQ (Invesco QQQ Trust)
1-year return+39.0%+26.3%
5-year return+0.3%+95.4%
Volatility (ann.)37.9%19.6%
Beta vs S&P 5000.931.28
Max drawdown (3Y)-47.1%-22.8%
Market cap$43.2B
P/E (trailing)32.6
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryHealth CareETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -47.1%Higher 5y return: QQQ +95.4% vs +0.3%

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.

-16%0%+40%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IQV · QQQ

Year-by-year returns

YearIQVQQQ
2022-27.4%-32.6%
2023+12.9%+54.9%
2024-15.1%+25.6%
2025+14.7%+20.8%
2026+16.4%+17.7%

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

Are IQV and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between IQV and QQQ?

Using weekly returns as of 2026-08-27: 0.26 over 3 years, with 0.19 over the last year and 0.44 over 5 years.

Is QQQ a good diversifier for IQV?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.26 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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IQV vs QQQ: 3-year weekly correlation 0.26IQV vs QQQ0.26

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Related comparisons

Hubs: IQV correlations · QQQ correlations