7 calls and 5 puts traded on Nov 4, 2026, 12 contracts in total. Open interest was 19.15K contracts. Over the past 30 days, volume averaged 465 contracts per day. The ALKS option volume chart shows volume by strike and expiration date.

Alkermes IV rank is 13, so its 30-day implied volatility of 50.0% is near the bottom of its one-year range. Over the past year it ranged from 30.0% on Aug 27, 2026 to 188.8% on Jul 17, 2026. See the ALKS implied volatility history for a longer view.

The Alkermes put/call volume ratio was 0.71 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.87. The ALKS open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Alkermes options about one week from expiration was $45.11, 1.7% below the $45.89 close. The ALKS max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 54.9%, options price a move of about ±$3.49 (±7.6%) over the next week, a range of roughly $42.40 to $49.38 from the Nov 4, 2026 close. The ALKS expected move chart shows it for every expiration date.