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ETON vs QQQ: Correlation

Eton Pharmaceuticals, Inc. (ETON) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.17.

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

Correlation (3Y)
0.17
weak
Correlation (1Y)
-0.15
last 12 months
Correlation (5Y)
0.22
long-run
Ann. covariance
190.7
%² · weekly, annualized

How correlated are ETON and QQQ?

Over the past 3 years, ETON and QQQ moved with a correlation of 0.17, which is weak. Lately the two have drifted apart, with the 1-year correlation at -0.15 versus 0.17 over 3 years. Over 5 years the correlation is 0.22, and the annualized covariance of weekly returns is 190.7 %².

Out of 10 assets tracked against ETON, QQQ lands near the bottom at #7. Their recent paths diverged sharply: over the last 12 months ETON outperformed by 236.4 percentage points (+262.7% for ETON against +26.3% for QQQ). One caveat on sizing: ETON is 3.0 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.

ETON vs QQQ: side by side

ETON (Eton Pharmaceuticals, Inc.)QQQ (Invesco QQQ Trust)
1-year return+262.7%+26.3%
5-year return+1112.2%+95.4%
Volatility (ann.)58.4%19.6%
Beta vs S&P 5000.891.28
Max drawdown (3Y)-45.6%-22.8%
Market cap$1.8B
P/E (trailing)160.7
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 -45.6%Higher 5y return: ETON +1112.2% 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.

-16%0%+259%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ETON · QQQ

Year-by-year returns

YearETONQQQ
2022-34.3%-32.6%
2023+55.3%+54.9%
2024+204.1%+25.6%
2025+27.0%+20.8%
2026+270.6%+17.7%

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

Are ETON 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 ETON and QQQ?

Using weekly returns as of 2026-08-27: 0.17 over 3 years, with -0.15 over the last year and 0.22 over 5 years.

Is QQQ a good diversifier for ETON?

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?

On the −1 to +1 scale, 0.17 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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ETON vs QQQ: 3-year weekly correlation 0.17ETON vs QQQ0.17

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Related comparisons

Hubs: ETON correlations · QQQ correlations