3 calls and 0 puts traded on Nov 4, 2026, 3 contracts in total. Open interest was 835 contracts. Over the past 30 days, volume averaged 26 contracts per day. The ACIW option volume chart shows volume by strike and expiration date.

ACI Worldwide IV rank is 17, so its 30-day implied volatility of 49.6% is near the bottom of its one-year range. Over the past year it ranged from 24.0% on Dec 19, 2025 to 177.4% on Jul 17, 2026. See the ACIW implied volatility history for a longer view.

The ACI Worldwide put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.35. The ACIW open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for ACI Worldwide options about one week from expiration was $50.99, 13.7% below the $59.11 close. The ACIW max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 58.2%, options price a move of about ±$4.77 (±8.1%) over the next week, a range of roughly $54.34 to $63.88 from the Nov 4, 2026 close. The ACIW expected move chart shows it for every expiration date.