Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Cisco Systems, Inc. (CSCO) had 120-Day Put-Call Ratio (Volume) of 1.8723 for 2025-12-19.

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Figures for 2025-12-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2113
Historical Volatility (Parkinson)	0.1997
Implied Volatility (Calls)	0.2536
Implied Volatility (Puts)	0.2537
Implied Volatility (Mean)	0.2537
Put-Call Implied Volatility Ratio	1.0005
Implied Volatility Skew	0.0431
Option Statistics
Put-Call Ratio (Volume)	1.8723
Put-Call Ratio (Open Interest)	0.8221