162 calls and 202 puts traded on Nov 4, 2026, 364 contracts in total. Open interest was 6.69K contracts. Over the past 30 days, volume averaged 171 contracts per day. The ACLS option volume chart shows volume by strike and expiration date.

Axcelis Technologies IV rank is 24, so its 30-day implied volatility of 82.2% is in the lower part of its one-year range. Over the past year it ranged from 37.0% on Dec 30, 2025 to 227.4% on Jul 17, 2026. See the ACLS implied volatility history for a longer view.

The Axcelis Technologies put/call volume ratio was 1.25 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.61. The ACLS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Axcelis Technologies options about one week from expiration was $105.00, 14.1% above the $91.99 close. The ACLS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 90.6%, options price a move of about ±$11.54 (±12.5%) over the next week, a range of roughly $80.45 to $103.53 from the Nov 4, 2026 close. The ACLS expected move chart shows it for every expiration date.