ECO Open Interest
Okeanis Eco Tankers Corp (ECO) had 29.89K open option contracts as of Nov 4, 2026: 14.47K calls and 15.42K puts. Open interest rose 56.6% over the past four weeks. The put/call open interest ratio is 1.07, so puts outnumber calls.
Open Interest by Strike
Showing results for ECO, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ECO, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for ECO, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ECO, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ECO, all expirations, calls & puts. View full history
ECO Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does ECO have?
Okeanis Eco Tankers had 29.89K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 24.92K contracts.
Is ECO open interest rising or falling?
Open interest rose 56.6% over the past four weeks. It was 19.09K contracts on Oct 7, 2026. See the ECO open interest history for a longer view.
What is the ECO put/call open interest ratio?
The Okeanis Eco Tankers put/call open interest ratio was 1.07 as of Nov 4, 2026. Four weeks earlier it was 1.16.
What is Okeanis Eco Tankers Corp?
Okeanis Eco Tankers Corp is an international owner and operator of a fleet of tanker vessels used for the transportation of crude oil.