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CATY vs QQQ: Correlation

How closely do Cathay General Bancorp (CATY) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.12
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
156.6
%² · weekly, annualized

How correlated are CATY and QQQ?

On 3 years of weekly data the CATY/QQQ correlation comes out at 0.30, moderate. The link has loosened recently: the 1-year correlation (0.12) runs below the 3-year figure (0.30). The 5-year figure is 0.37, and annualized covariance runs at 156.6 %².

Out of 28 assets tracked against CATY, QQQ lands near the bottom at #25. Twelve-month performance is nearly a tie, at +26.7% for CATY and +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.

CATY vs QQQ: side by side

CATY (Cathay General Bancorp)QQQ (Invesco QQQ Trust)
1-year return+26.7%+26.3%
5-year return+83.2%+95.4%
Volatility (ann.)26.8%19.6%
Beta vs S&P 5000.821.28
Max drawdown (3Y)-29.7%-22.8%
Market cap$4.1B
P/E (trailing)12.1
Dividend yield2.39%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: CATY 2.39% vs 0.44%Smaller drawdown: QQQ -22.8% vs -29.7%Higher 5y return: QQQ +95.4% vs +83.2%

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.

-8%0%+34%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CATY · QQQ

Year-by-year returns

YearCATYQQQ
2022-2.1%-32.6%
2023+13.5%+54.9%
2024+10.3%+25.6%
2025+4.6%+20.8%
2026+30.2%+17.7%

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

Are CATY and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.30 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CATY and QQQ?

The CATY/QQQ correlation stands at 0.30 on a 3-year window (1 year: 0.12, 5 years: 0.37), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for CATY?

Yes, to a useful degree: a correlation of 0.30 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.30 mean?

A reading of 0.30 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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CATY vs QQQ: 3-year weekly correlation 0.30CATY vs QQQ0.30

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