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OII vs QQQ: Correlation

Measured on weekly returns over the past three years, Oceaneering International, Inc. (OII) and Invesco QQQ Trust (QQQ) carry a correlation of 0.17, a weak link.

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

Correlation (3Y)
0.17
weak
Correlation (1Y)
-0.11
last 12 months
Correlation (5Y)
0.23
long-run
Ann. covariance
142.2
%² · weekly, annualized

How correlated are OII and QQQ?

Over the past 3 years, OII and QQQ moved with a correlation of 0.17, which is weak. The link has loosened recently: the 1-year correlation (-0.11) runs below the 3-year figure (0.17). Over 5 years the correlation is 0.23, and the annualized covariance of weekly returns is 142.2 %².

Among the 16 assets we track against OII, QQQ sits near the bottom by co-movement, at rank #13. Correlation aside, the last 12 months split them widely, with OII ahead by 83.6 points (+109.9% versus +26.3%). One caveat on sizing: OII is 2.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

OII vs QQQ: side by side

OII (Oceaneering International, Inc.)QQQ (Invesco QQQ Trust)
1-year return+109.9%+26.3%
5-year return+316.7%+95.4%
Volatility (ann.)43.5%19.6%
Beta vs S&P 5000.811.28
Max drawdown (3Y)-47.8%-22.8%
Market cap$5.1B
P/E (trailing)14.8
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -47.8%Higher 5y return: OII +316.7% vs +95.4%

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.

-8%0%+120%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. OII · QQQ

Year-by-year returns

YearOIIQQQ
2022+54.6%-32.6%
2023+21.7%+54.9%
2024+22.6%+25.6%
2025-7.9%+20.8%
2026+113.1%+17.7%

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

Are OII and QQQ good diversifiers for each other?

By historical standards, yes. A correlation of 0.17 means the two rarely move for the same reasons.

FAQ

What is the correlation between OII and QQQ?

The OII/QQQ correlation stands at 0.17 on a 3-year window (1 year: -0.11, 5 years: 0.23), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for OII?

By historical standards, yes. A correlation of 0.17 means the two rarely move for the same reasons.

What does a correlation of 0.17 mean?

A reading of 0.17 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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OII vs QQQ: 3-year weekly correlation 0.17OII vs QQQ0.17

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Hubs: OII correlations · QQQ correlations