287 calls and 448 puts traded on Nov 4, 2026, 735 contracts in total. Open interest was 30.08K contracts. Over the past 30 days, volume averaged 1.39K contracts per day. The ENTG option volume chart shows volume by strike and expiration date.

Entegris IV rank is 19, so its 30-day implied volatility of 77.8% is near the bottom of its one-year range. Over the past year it ranged from 44.7% on Dec 17, 2025 to 214.6% on Jul 17, 2026. See the ENTG implied volatility history for a longer view.

The Entegris put/call volume ratio was 1.56 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.76. The ENTG open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Entegris options about one week from expiration was $150.23, 5.1% above the $142.87 close. The ENTG max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 84.2%, options price a move of about ±$16.66 (±11.7%) over the next week, a range of roughly $126.21 to $159.53 from the Nov 4, 2026 close. The ENTG expected move chart shows it for every expiration date.