Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Puma Biotechnology, Inc. (PBYI) had 120-Day Put-Call Ratio (Volume) of 0.6813 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3814
Historical Volatility (Parkinson)	0.4404
Implied Volatility (Calls)	0.9411
Implied Volatility (Puts)	0.7484
Implied Volatility (Mean)	0.8447
Put-Call Implied Volatility Ratio	0.7952
Implied Volatility Skew	-0.0100
Option Statistics
Put-Call Ratio (Volume)	0.6813
Put-Call Ratio (Open Interest)	0.2240