C · Options

Citigroup, Inc. Common Stock (C) options chain & liquidity

Term structure, skew and the liquidity of the published chain.

$128.52

Volatility term structureATM IV by stored expiration. Earnings-containing expirations are marked; missing IV stays unavailable. Expiry spacing reflects DTE, not equal calendar spacing.

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2026-10-09ATM IV 28.06%3 DTE · ATM strike $129.00 · No stored earnings markerUpdate time unavailable

Event / reference markers

Earnings expiry 2026-10-16: 10

Exact data table

Volatility term structure · full stored dataset, independent of graph range/toggles
ATM IV (%)	Context	Updated
28.06%	3 DTE · ATM strike $129.00 · No stored earnings marker	Update time unavailable
36.33%	10 DTE · ATM strike $129.00 · Contains earnings	Update time unavailable
33.03%	17 DTE · ATM strike $129.00 · No stored earnings marker	Update time unavailable
32.09%	24 DTE · ATM strike $129.00 · No stored earnings marker	Update time unavailable

Liquidity classification: ACCEPTABLE
Median bid-ask width: 20.3%
25-delta put IV: 36.4%
25-delta call IV: 35.2%
Downside skew: 0.1%

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Data provenance

Figures are from published, reviewed research as of Oct 6, 2026, 4:00 PM EDT. Modelled option premiums use Black-Scholes with the published at-the-money implied volatility and are labelled as modelled, not as live quotes.