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 1.1600 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3135
Historical Volatility (Parkinson)	0.2856
Implied Volatility (Calls)	0.4433
Implied Volatility (Puts)	0.3497
Implied Volatility (Mean)	0.3965
Put-Call Implied Volatility Ratio	0.7888
Implied Volatility Skew	0.0911
Option Statistics
Put-Call Ratio (Volume)	1.1600
Put-Call Ratio (Open Interest)	3.0919