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ARTNA vs QQQ: Correlation

Artesian Resources Corporation - Class A Non-Voting (ARTNA) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.11.

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

Correlation (3Y)
0.11
weak
Correlation (1Y)
-0.16
last 12 months
Correlation (5Y)
0.13
long-run
Ann. covariance
47.5
%² · weekly, annualized

How correlated are ARTNA and QQQ?

Across a 3-year window, the weekly returns of ARTNA and QQQ correlate at 0.11, weak. The link has loosened recently: the 1-year correlation (-0.16) runs below the 3-year figure (0.11). Stretching to 5 years gives 0.13, with an annualized covariance of 47.5 %².

Out of 12 assets tracked against ARTNA, QQQ lands near the bottom at #8. The last year tells two different stories: QQQ led by 15.7 percentage points, +10.6% for ARTNA 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.

ARTNA vs QQQ: side by side

ARTNA (Artesian Resources Corporation - Class A Non-Voting)QQQ (Invesco QQQ Trust)
1-year return+10.6%+26.3%
5-year return+4.6%+95.4%
Volatility (ann.)22.9%19.6%
Beta vs S&P 5000.271.28
Max drawdown (3Y)-34.3%-22.8%
Market cap$0.4B
P/E (trailing)15.6
Dividend yield3.54%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: ARTNA 3.54% vs 0.44%Smaller drawdown: QQQ -22.8% vs -34.3%Higher 5y return: QQQ +95.4% vs +4.6%

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.

-6%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ARTNA · QQQ

Year-by-year returns

YearARTNAQQQ
2022+29.3%-32.6%
2023-27.6%+54.9%
2024-21.2%+25.6%
2025+3.8%+20.8%
2026+15.0%+17.7%

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

Are ARTNA and QQQ good diversifiers for each other?

By historical standards, yes. A correlation of 0.11 means the two rarely move for the same reasons.

FAQ

What is the correlation between ARTNA and QQQ?

As of 2026-08-27, the correlation of weekly returns between ARTNA and QQQ is 0.11 over 3 years, -0.16 over 1 year and 0.13 over 5 years.

Is QQQ a good diversifier for ARTNA?

By historical standards, yes. A correlation of 0.11 means the two rarely move for the same reasons.

What does a correlation of 0.11 mean?

On the −1 to +1 scale, 0.11 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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ARTNA vs QQQ: 3-year weekly correlation 0.11ARTNA vs QQQ0.11

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Hubs: ARTNA correlations · QQQ correlations