Put-Call Ratio (Open Interest) (150-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 150-Day Put-Call Ratio (Open Interest) of 0.4000 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1636
Historical Volatility (Parkinson)	0.1680
Implied Volatility (Calls)	0.2962
Implied Volatility (Puts)	0.2338
Implied Volatility (Mean)	0.2650
Put-Call Implied Volatility Ratio	0.7894
Implied Volatility Skew	0.0739
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.4000