5.53K calls and 8.11K puts traded on Nov 4, 2026, 13.65K contracts in total. Open interest was 300.44K contracts. Over the past 30 days, volume averaged 16.24K contracts per day. The ON option volume chart shows volume by strike and expiration date.

ON Semiconductor IV rank is 41, so its 30-day implied volatility of 62.7% is near the middle of its one-year range. Over the past year it ranged from 37.3% on Nov 26, 2025 to 99.3% on Jul 17, 2026. See the ON implied volatility history for a longer view.

The ON Semiconductor put/call volume ratio was 1.47 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.73. The ON open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for ON Semiconductor options about one week from expiration was $73.71, 3.4% above the $71.26 close. The ON max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 78.2%, options price a move of about ±$7.71 (±10.8%) over the next week, a range of roughly $63.55 to $78.97 from the Nov 4, 2026 close. The ON expected move chart shows it for every expiration date.