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.

InterDigital, Inc. (IDCC) had 20-Day Put-Call Ratio (Open Interest) of 0.7908 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4198
Historical Volatility (Parkinson)	0.3915
Implied Volatility (Calls)	0.5278
Implied Volatility (Puts)	0.5027
Implied Volatility (Mean)	0.5152
Put-Call Implied Volatility Ratio	0.9524
Implied Volatility Skew	0.0099
Option Statistics
Put-Call Ratio (Volume)	1.2298
Put-Call Ratio (Open Interest)	0.7908