GEF Open Interest
Greif Inc (GEF) had 607 open option contracts as of Nov 4, 2026: 311 calls and 296 puts. Open interest fell 77.8% over the past four weeks. The put/call open interest ratio is 0.95, so calls and puts are about even.
Open Interest by Strike
Showing results for GEF, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for GEF, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for GEF, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for GEF, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for GEF, all expirations, calls & puts. View full history
GEF 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 GEF have?
Greif had 607 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 1.46K contracts.
Is GEF open interest rising or falling?
Open interest fell 77.8% over the past four weeks. It was 2.74K contracts on Oct 7, 2026. See the GEF open interest history for a longer view.
What is the GEF put/call open interest ratio?
The Greif put/call open interest ratio was 0.95 as of Nov 4, 2026. Four weeks earlier it was 0.86.
What is Greif Inc?
Greif Inc is a producer of industrial packaging products and services with manufacturing facilities located in many countries.