33.77K calls and 10.63K puts traded on Nov 4, 2026, 44.4K contracts in total. Open interest was 417.34K contracts. Over the past 30 days, volume averaged 12.91K contracts per day. The MOS option volume chart shows volume by strike and expiration date.

Mosaic IV rank is 22, so its 30-day implied volatility of 51.5% is in the lower part of its one-year range. Over the past year it ranged from 37.1% on Nov 28, 2025 to 103.4% on Jan 16, 2026. See the MOS implied volatility history for a longer view.

The Mosaic put/call volume ratio was 0.31 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.68. The MOS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Mosaic options about one week from expiration was $18.86, 12.7% below the $21.61 close. The MOS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 60.8%, options price a move of about ±$1.82 (±8.4%) over the next week, a range of roughly $19.79 to $23.43 from the Nov 4, 2026 close. The MOS expected move chart shows it for every expiration date.