9 calls and 15 puts traded on Nov 4, 2026, 24 contracts in total. Open interest was 4.3K contracts. Over the past 30 days, volume averaged 530 contracts per day. The MSM option volume chart shows volume by strike and expiration date.

MSC Industrial Direct IV rank is 7, so its 30-day implied volatility of 34.1% is near the bottom of its one-year range. Over the past year it ranged from 23.3% on Nov 26, 2025 to 167.7% on Jul 17, 2026. See the MSM implied volatility history for a longer view.

The MSC Industrial Direct put/call volume ratio was 1.67 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.50. The MSM open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for MSC Industrial Direct options about one week from expiration was $120.65, 4.0% above the $116.02 close. The MSM max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 35.1%, options price a move of about ±$5.64 (±4.9%) over the next week, a range of roughly $110.38 to $121.66 from the Nov 4, 2026 close. The MSM expected move chart shows it for every expiration date.