754 calls and 184 puts traded on Nov 4, 2026, 938 contracts in total. Open interest was 26.75K contracts. Over the past 30 days, volume averaged 541 contracts per day. The OMC option volume chart shows volume by strike and expiration date.

Omnicom IV rank is 7, so its 30-day implied volatility of 30.5% is near the bottom of its one-year range. Over the past year it ranged from 22.2% on Dec 22, 2025 to 148.5% on May 15, 2026. See the OMC implied volatility history for a longer view.

The Omnicom put/call volume ratio was 0.24 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 1.38. The OMC open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Omnicom options about one week from expiration was $80.05, 8.5% below the $87.51 close. The OMC max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 32.1%, options price a move of about ±$3.89 (±4.4%) over the next week, a range of roughly $83.62 to $91.40 from the Nov 4, 2026 close. The OMC expected move chart shows it for every expiration date.