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QQQ vs TDW: Correlation

How closely do Invesco QQQ Trust (QQQ) and Tidewater Inc. (TDW) trade together? Their weekly returns over three years give a correlation of 0.22, which is weak.

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

Correlation (3Y)
0.22
weak
Correlation (1Y)
-0.07
last 12 months
Correlation (5Y)
0.17
long-run
Ann. covariance
204.2
%² · weekly, annualized

How correlated are QQQ and TDW?

Across a 3-year window, the weekly returns of QQQ and TDW correlate at 0.22, weak. The link has loosened recently: the 1-year correlation (-0.07) runs below the 3-year figure (0.22). Stretching to 5 years gives 0.17, with an annualized covariance of 204.2 %².

Among the 4755 assets we track against QQQ, TDW ranks #2594 by 3-year correlation. The last year tells two different stories: TDW led by 26.9 percentage points, +26.3% for QQQ against +53.2% for TDW. Risk is not evenly split, since TDW carries 2.4 times the volatility of the other side.

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.

QQQ vs TDW: side by side

QQQ (Invesco QQQ Trust)TDW (Tidewater Inc.)
1-year return+26.3%+53.2%
5-year return+95.4%+724.8%
Volatility (ann.)19.6%46.4%
Beta vs S&P 5001.280.92
Max drawdown (3Y)-22.8%-70.3%
Market cap$4.6B
P/E (trailing)18.0
Dividend yield0.44%0.00%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -70.3%Higher 5y return: TDW +724.8% 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.

-17%0%+65%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. QQQ · TDW

Year-by-year returns

YearQQQTDW
2022-32.6%+244.1%
2023+54.9%+95.7%
2024+25.6%-24.1%
2025+20.8%-7.7%
2026+17.7%+84.2%

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

Are QQQ and TDW good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between QQQ and TDW?

As of 2026-08-27, the correlation of weekly returns between QQQ and TDW is 0.22 over 3 years, -0.07 over 1 year and 0.17 over 5 years.

Is TDW a good diversifier for QQQ?

Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.22 mean?

A reading of 0.22 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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QQQ vs TDW: 3-year weekly correlation 0.22QQQ vs TDW0.22

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