ESEA vs QQQ: Correlation
Euroseas Ltd. (ESEA) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ESEA and QQQ?
On 3 years of weekly data the ESEA/QQQ correlation comes out at 0.28, weak. Little has changed lately, as the 1-year reading of 0.24 lands near the 3-year figure. The 5-year figure is 0.25, and annualized covariance runs at 243.0 %².
Among the 10 assets we track against ESEA, QQQ sits near the bottom by co-movement, at rank #7. Their 12-month results are close: +28.7% for ESEA against +26.3% for QQQ. One caveat on sizing: ESEA is 2.3 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.
ESEA vs QQQ: side by side
| ESEA (Euroseas Ltd.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +28.7% | +26.3% |
| 5-year return | +417.1% | +95.4% |
| Volatility (ann.) | 45.2% | 19.6% |
| Beta vs S&P 500 | 0.96 | 1.28 |
| Max drawdown (3Y) | -38.0% | -22.8% |
| Market cap | $0.5B | – |
| P/E (trailing) | 3.8 | – |
| Dividend yield | 4.10% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
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.
Year-by-year returns
| Year | ESEA | QQQ |
|---|---|---|
| 2022 | -21.0% | -32.6% |
| 2023 | +83.4% | +54.9% |
| 2024 | +23.6% | +25.6% |
| 2025 | +96.0% | +20.8% |
| 2026 | +43.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ESEA and QQQ good diversifiers for each other?
Reasonably. At 0.28, ESEA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ESEA and QQQ?
Using weekly returns as of 2026-08-27: 0.28 over 3 years, with 0.24 over the last year and 0.25 over 5 years.
Is QQQ a good diversifier for ESEA?
Reasonably. At 0.28, ESEA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 mean?
A reading of 0.28 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/esea-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/esea-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ESEA correlations · QQQ correlations
