An option chain lists every call and put for a stock, with prices, volume, open interest, and Greeks for each strike and expiration date.

As of Nov 4, 2026, Citigroup Inc (C) had 1.47K listed option contracts across 19 expiration dates, from Nov 6, 2026 to Jan 19, 2029.

Citigroup had 19 expiration dates as of Nov 4, 2026, 6 of them weekly. The nearest was Nov 6, 2026 and the furthest Jan 19, 2029.

54.34K Citigroup option contracts traded on Nov 4, 2026, and 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.

Citigroup is a global financial powerhouse that orchestrates the movement of over $6 trillion in daily transaction volume, serving as the essential connective tissue for the world's most complex multinational corporations.