250 calls and 30 puts traded on Nov 4, 2026, 280 contracts in total. Open interest was 17.02K contracts. Over the past 30 days, volume averaged 316 contracts per day. The ALLO option volume chart shows volume by strike and expiration date.

Allogene Therapeutics IV rank is 48, so its 30-day implied volatility of 203.3% is near the middle of its one-year range. Over the past year it ranged from 47.1% on Aug 25, 2026 to 375.8% on Nov 17, 2025. See the ALLO implied volatility history for a longer view.

The Allogene Therapeutics put/call volume ratio was 0.12 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.11. The ALLO open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Allogene Therapeutics options about one week from expiration was $1.00, 16.0% below the $1.19 close. The ALLO max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 140.0%, options price a move of about ±$0.23 (±19.4%) over the next week, a range of roughly $0.96 to $1.42 from the Nov 4, 2026 close. The ALLO expected move chart shows it for every expiration date.