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IOSP vs QQQ: Correlation

How closely do Innospec Inc. (IOSP) 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)
0.21
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
207.7
%² · weekly, annualized

How correlated are IOSP and QQQ?

Over the past 3 years, IOSP and QQQ moved with a correlation of 0.40, which is moderate. The past 12 months show a weaker link (0.21) than the 3-year average (0.40). Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 207.7 %².

Out of 35 assets tracked against IOSP, QQQ lands near the bottom at #31. The last year tells two different stories: QQQ led by 15.0 percentage points, +11.3% for IOSP against +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.

IOSP vs QQQ: side by side

IOSP (Innospec Inc.)QQQ (Invesco QQQ Trust)
1-year return+11.3%+26.3%
5-year return+10.2%+95.4%
Volatility (ann.)26.6%19.6%
Beta vs S&P 5000.941.28
Max drawdown (3Y)-48.4%-22.8%
Market cap$2.3B
P/E (trailing)19.5
Dividend yield1.87%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: IOSP 1.87% vs 0.44%Smaller drawdown: QQQ -22.8% vs -48.4%Higher 5y return: QQQ +95.4% vs +10.2%

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.

-22%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IOSP · QQQ

Year-by-year returns

YearIOSPQQQ
2022+15.2%-32.6%
2023+21.5%+54.9%
2024-9.6%+25.6%
2025-28.9%+20.8%
2026+26.0%+17.7%

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

Are IOSP and QQQ good diversifiers for each other?

Reasonably. At 0.40, IOSP and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between IOSP and QQQ?

The IOSP/QQQ correlation stands at 0.40 on a 3-year window (1 year: 0.21, 5 years: 0.37), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for IOSP?

Reasonably. At 0.40, IOSP and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.40 mean?

On the −1 to +1 scale, 0.40 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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IOSP vs QQQ: 3-year weekly correlation 0.40IOSP vs QQQ0.40

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Hubs: IOSP correlations · QQQ correlations