Put-Call Ratio (Open Interest) (10-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.

International Bancshares Corporation (IBOC) had 10-Day Put-Call Ratio (Open Interest) of 0.0600 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2344
Historical Volatility (Parkinson)	0.2260
Implied Volatility (Calls)	0.2997
Implied Volatility (Puts)	0.2689
Implied Volatility (Mean)	0.2843
Put-Call Implied Volatility Ratio	0.8974
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0600