OMC Open Interest
Omnicom Group Inc (OMC) had 26.75K open option contracts as of Nov 4, 2026: 11.26K calls and 15.49K puts. Open interest rose 11.3% over the past four weeks, and is OMC's highest level in 12 weeks. The put/call open interest ratio is 1.38, so puts outnumber calls.
Open Interest by Strike
Showing results for OMC, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for OMC, 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 OMC, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for OMC, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for OMC, all expirations, calls & puts. View full history
OMC 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 OMC have?
Omnicom had 26.75K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 24.31K contracts.
Is OMC open interest rising or falling?
Open interest rose 11.3% over the past four weeks, and is OMC's highest level in 12 weeks. It was 24.02K contracts on Oct 7, 2026. See the OMC open interest history for a longer view.
What is the OMC put/call open interest ratio?
The Omnicom put/call open interest ratio was 1.38 as of Nov 4, 2026. Four weeks earlier it was 1.56.
What is Omnicom Group Inc?
Omnicom is a holding company that owns several advertising agencies and related firms.