CMBT vs ECO: Correlation
CMB.TECH NV (CMBT) and Okeanis Eco Tankers Corp. (ECO) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMBT and ECO?
Over the past 3 years, CMBT and ECO moved with a correlation of 0.56, which is moderate. The link has tightened recently: the 1-year correlation (0.68) runs above the 3-year figure (0.56). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 949.1 %².
ECO is one of the assets that tracks CMBT most closely: it ranks #2 out of the 10 assets we track against CMBT. Correlation aside, the last 12 months split them widely, with ECO ahead by 45.8 points (+144.0% versus +189.8%).
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.
CMBT vs ECO: side by side
| CMBT (CMB.TECH NV) | ECO (Okeanis Eco Tankers Corp.) | |
|---|---|---|
| 1-year return | +144.0% | +189.8% |
| 5-year return | +306.2% | n/a |
| Volatility (ann.) | 38.0% | 44.3% |
| Beta vs S&P 500 | 0.67 | 0.52 |
| Max drawdown (3Y) | -57.2% | -46.1% |
| Market cap | $5.3B | $2.6B |
| P/E (trailing) | 10.2 | 5.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CMBT | ECO |
|---|---|---|
| 2022 | +93.2% | – |
| 2023 | +26.3% | – |
| 2024 | -22.7% | -11.7% |
| 2025 | -2.8% | +64.2% |
| 2026 | +100.0% | +128.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMBT and ECO good diversifiers for each other?
Only partially. A correlation of 0.56 means CMBT and ECO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between CMBT and ECO?
As of 2026-08-27, the correlation of weekly returns between CMBT and ECO is 0.56 over 3 years, 0.68 over 1 year and n/a over 5 years.
Is ECO a good diversifier for CMBT?
Only partially. A correlation of 0.56 means CMBT and ECO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.56 mean?
On the −1 to +1 scale, 0.56 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/cmbt-vs-eco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cmbt-vs-eco/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CMBT correlations · ECO correlations
