Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 1.1545 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3694
Historical Volatility (Parkinson)	0.2546
Implied Volatility (Calls)	0.4051
Implied Volatility (Puts)	0.3996
Implied Volatility (Mean)	0.4023
Put-Call Implied Volatility Ratio	0.9865
Implied Volatility Skew	0.0064
Option Statistics
Put-Call Ratio (Volume)	1.1545
Put-Call Ratio (Open Interest)	0.4254