Put-Call Ratio (Volume) (30-Day)

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

Halozyme Therapeutics, Inc. (HALO) had 30-Day Put-Call Ratio (Volume) of 0.3997 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3433
Historical Volatility (Parkinson)	0.3633
Implied Volatility (Calls)	0.4505
Implied Volatility (Puts)	0.3965
Implied Volatility (Mean)	0.4235
Put-Call Implied Volatility Ratio	0.8802
Implied Volatility Skew	0.0385
Option Statistics
Put-Call Ratio (Volume)	0.3997
Put-Call Ratio (Open Interest)	0.3754