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 0.2405 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3042
Historical Volatility (Parkinson)	0.2619
Implied Volatility (Calls)	0.3673
Implied Volatility (Puts)	0.4103
Implied Volatility (Mean)	0.3888
Put-Call Implied Volatility Ratio	1.1169
Implied Volatility Skew	0.0091
Option Statistics
Put-Call Ratio (Volume)	0.2405
Put-Call Ratio (Open Interest)	0.5797