Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 0.3964 for 2025-11-05.

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Figures for 2025-11-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2312
Historical Volatility (Parkinson)	0.2130
Implied Volatility (Calls)	0.3294
Implied Volatility (Puts)	0.3038
Implied Volatility (Mean)	0.3166
Put-Call Implied Volatility Ratio	0.9225
Implied Volatility Skew	-0.0273
Option Statistics
Put-Call Ratio (Volume)	0.3964
Put-Call Ratio (Open Interest)	0.4241