OEC Open Interest
Orion S.A. (OEC) had 4.88K open option contracts as of Nov 4, 2026: 4.8K calls and 83 puts. Open interest fell 27.7% over the past four weeks. The put/call open interest ratio is 0.02, so calls outnumber puts.
Open Interest by Strike
Showing results for OEC, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for OEC, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for OEC, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for OEC, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for OEC, all expirations, calls & puts. View full history
OEC 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 OEC have?
Orion had 4.88K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 5.34K contracts.
Is OEC open interest rising or falling?
Open interest fell 27.7% over the past four weeks. It was 6.76K contracts on Oct 7, 2026. See the OEC open interest history for a longer view.
What is the OEC put/call open interest ratio?
The Orion put/call open interest ratio was 0.02 as of Nov 4, 2026. Four weeks earlier it was 0.03.
What is Orion S.A.?
Orion SA is a manufacturer of carbon black products.