Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Citigroup Inc. (C) had 20-Day Put-Call Ratio (Open Interest) of 0.7244 for 2025-10-16.

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Figures for 2025-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3054
Historical Volatility (Parkinson)	0.3241
Implied Volatility (Calls)	0.4180
Implied Volatility (Puts)	0.4187
Implied Volatility (Mean)	0.4184
Put-Call Implied Volatility Ratio	1.0017
Implied Volatility Skew	0.1107
Option Statistics
Put-Call Ratio (Volume)	0.7364
Put-Call Ratio (Open Interest)	0.7244