90 calls and 35 puts traded on Nov 4, 2026, 125 contracts in total. Open interest was 5.18K contracts. Over the past 30 days, volume averaged 291 contracts per day. The OSK option volume chart shows volume by strike and expiration date.

Oshkosh IV rank is 6, so its 30-day implied volatility of 37.3% is near the bottom of its one-year range. Over the past year it ranged from 27.2% on Dec 24, 2025 to 184.4% on Jul 17, 2026. See the OSK implied volatility history for a longer view.

The Oshkosh put/call volume ratio was 0.39 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 1.53. The OSK open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Oshkosh options about one week from expiration was $135.61, 5.5% below the $143.43 close. The OSK max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 38.0%, options price a move of about ±$7.54 (±5.3%) over the next week, a range of roughly $135.89 to $150.97 from the Nov 4, 2026 close. The OSK expected move chart shows it for every expiration date.