Put-Call Ratio (Volume) (60-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 60-Day Put-Call Ratio (Volume) of 0.3791 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4107
Historical Volatility (Parkinson)	0.2672
Implied Volatility (Calls)	0.3477
Implied Volatility (Puts)	0.3420
Implied Volatility (Mean)	0.3448
Put-Call Implied Volatility Ratio	0.9835
Implied Volatility Skew	0.0097
Option Statistics
Put-Call Ratio (Volume)	0.3791
Put-Call Ratio (Open Interest)	0.8206