ECO vs QQQ: Correlation
Okeanis Eco Tankers Corp. (ECO) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.12.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ECO and QQQ?
Across a 3-year window, the weekly returns of ECO and QQQ correlate at 0.12, weak. Little has changed lately, as the 1-year reading of 0.16 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 107.3 %².
Among the 13 assets we track against ECO, QQQ sits near the bottom by co-movement, at rank #10. The last year tells two different stories: ECO led by 163.5 percentage points, +189.8% for ECO against +26.3% for QQQ. One caveat on sizing: ECO 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.
ECO vs QQQ: side by side
| ECO (Okeanis Eco Tankers Corp.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +189.8% | +26.3% |
| 5-year return | n/a | +95.4% |
| Volatility (ann.) | 44.3% | 19.6% |
| Beta vs S&P 500 | 0.52 | 1.28 |
| Max drawdown (3Y) | -46.1% | -22.8% |
| Market cap | $2.6B | – |
| P/E (trailing) | 5.8 | – |
| Dividend yield | 0.00% | 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 | ECO | QQQ |
|---|---|---|
| 2022 | – | -32.6% |
| 2023 | – | +54.9% |
| 2024 | -11.7% | +25.6% |
| 2025 | +64.2% | +20.8% |
| 2026 | +128.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ECO and QQQ good diversifiers for each other?
Yes: at 0.12, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ECO and QQQ?
The ECO/QQQ correlation stands at 0.12 on a 3-year window (1 year: 0.16, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for ECO?
Yes: at 0.12, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.12 mean?
On the −1 to +1 scale, 0.12 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/eco-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/eco-vs-qqq/)
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Related comparisons
Hubs: ECO correlations · QQQ correlations
