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.

Qualys, Inc. (QLYS) had 60-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5132
Historical Volatility (Parkinson)	0.4869
Implied Volatility (Calls)	0.5665
Implied Volatility (Puts)	0.5680
Implied Volatility (Mean)	0.5673
Put-Call Implied Volatility Ratio	1.0027
Implied Volatility Skew	0.0300
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2594