27.31K calls and 27.03K puts traded on Nov 4, 2026, 54.34K contracts in total. Open interest was 1.11M contracts. Over the past 30 days, volume averaged 57.85K contracts per day. The C option volume chart shows volume by strike and expiration date.

Citigroup IV rank is 16, so its 30-day implied volatility of 28.3% is near the bottom of its one-year range. Over the past year it ranged from 24.7% on Dec 12, 2025 to 46.8% on Mar 27, 2026. See the C implied volatility history for a longer view.

The Citigroup put/call volume ratio was 0.99 on Nov 4, 2026, so calls and puts are about even. The put/call open interest ratio was 1.55. The C open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Citigroup options about one week from expiration was $125.86, 0.9% above the $124.71 close. The C max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 31.9%, options price a move of about ±$5.50 (±4.4%) over the next week, a range of roughly $119.21 to $130.21 from the Nov 4, 2026 close. The C expected move chart shows it for every expiration date.