38.24K calls and 3.02K puts traded on Nov 4, 2026, 41.26K contracts in total. Open interest was 352.73K contracts. Over the past 30 days, volume averaged 16.13K contracts per day. The STM option volume chart shows volume by strike and expiration date.

STMicroelectronics IV rank is 20, so its 30-day implied volatility of 55.5% is in the lower part of its one-year range. Over the past year it ranged from 30.0% on Dec 23, 2025 to 155.6% on Jan 16, 2026. See the STM implied volatility history for a longer view.

The STMicroelectronics put/call volume ratio was 0.08 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.79. The STM open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for STMicroelectronics options about one week from expiration was $48.43, 6.2% above the $45.59 close. The STM max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 69.0%, options price a move of about ±$4.36 (±9.6%) over the next week, a range of roughly $41.23 to $49.95 from the Nov 4, 2026 close. The STM expected move chart shows it for every expiration date.