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 0.2518 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5586
Historical Volatility (Parkinson)	0.5039
Implied Volatility (Calls)	0.5673
Implied Volatility (Puts)	0.5429
Implied Volatility (Mean)	0.5551
Put-Call Implied Volatility Ratio	0.9570
Implied Volatility Skew	0.0496
Option Statistics
Put-Call Ratio (Volume)	0.2518
Put-Call Ratio (Open Interest)	1.2462