ECO vs LINK: Correlation
How closely do Okeanis Eco Tankers Corp. (ECO) and Interlink Electronics, Inc. (LINK) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ECO and LINK?
Across a 3-year window, the weekly returns of ECO and LINK correlate at -0.24, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.15 over 1 year against -0.24 over 3. Stretching to 5 years gives n/a, with an annualized covariance of -847.6 %².
Out of 13 assets tracked against ECO, LINK lands near the bottom at #11. The last year tells two different stories: ECO led by 191.3 percentage points, +189.8% for ECO against -1.5% for LINK. One caveat on sizing: LINK is 1.8 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 LINK: side by side
| ECO (Okeanis Eco Tankers Corp.) | LINK (Interlink Electronics, Inc.) | |
|---|---|---|
| 1-year return | +189.8% | -1.5% |
| 5-year return | n/a | +17.2% |
| Volatility (ann.) | 44.3% | 81.3% |
| Beta vs S&P 500 | 0.52 | 1.01 |
| Max drawdown (3Y) | -46.1% | -71.3% |
| Market cap | $2.6B | $0.1B |
| P/E (trailing) | 5.8 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ECO | LINK |
|---|---|---|
| 2022 | – | -15.7% |
| 2023 | – | +56.5% |
| 2024 | -11.7% | -26.8% |
| 2025 | +64.2% | -6.7% |
| 2026 | +128.8% | +34.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ECO and LINK good diversifiers for each other?
Yes. With a correlation of -0.24, ECO and LINK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ECO and LINK?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.15 over the last year and n/a over 5 years.
Is LINK a good diversifier for ECO?
Yes. With a correlation of -0.24, ECO and LINK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 mean?
A reading of -0.24 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ECO correlations · LINK correlations
