KOS Open Interest
Kosmos Energy Ltd (KOS) had 313.21K open option contracts as of Nov 6, 2026: 219.32K calls and 93.89K puts. Open interest rose 5.7% over the past four weeks, and is KOS's highest level in 12 weeks. The put/call open interest ratio is 0.43, so calls outnumber puts.
Open Interest by Strike
Showing results for KOS, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for KOS, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
| Open Interest Total | |
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Highest Open Interest Options
Showing results for KOS, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for KOS, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for KOS, all expirations, calls & puts. View full history
KOS 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 KOS have?
Kosmos Energy had 313.21K open option contracts as of Nov 6, 2026. Over the past 30 days, open interest averaged 288.03K contracts.
Is KOS open interest rising or falling?
Open interest rose 5.7% over the past four weeks, and is KOS's highest level in 12 weeks. It was 296.35K contracts on Oct 9, 2026. See the KOS open interest history for a longer view.
What is the KOS put/call open interest ratio?
The Kosmos Energy put/call open interest ratio was 0.43 as of Nov 6, 2026. Four weeks earlier it was 0.30.
What is Kosmos Energy Ltd?
Kosmos Energy Ltd is a deepwater exploration and production company focused on meeting the world's growing demand for energy.