3.19K calls and 4.16K puts traded on Nov 4, 2026, 7.36K contracts in total. Open interest was 182.9K contracts. Over the past 30 days, volume averaged 6.11K contracts per day. The GAP option volume chart shows volume by strike and expiration date.

Gap IV rank is 60, so its 30-day implied volatility of 64.5% is in the upper part of its one-year range. Over the past year it ranged from 30.5% on Dec 30, 2025 to 86.6% on May 27, 2026. See the GAP implied volatility history for a longer view.

The Gap put/call volume ratio was 1.30 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.81. The GAP open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Gap options about one week from expiration was $22.50, 5.3% below the $23.75 close. The GAP max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 46.4%, options price a move of about ±$1.53 (±6.4%) over the next week, a range of roughly $22.22 to $25.28 from the Nov 4, 2026 close. The GAP expected move chart shows it for every expiration date.