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.

Halozyme Therapeutics, Inc. (HALO) had 60-Day Put-Call Ratio (Volume) of 0.7892 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3259
Historical Volatility (Parkinson)	0.3287
Implied Volatility (Calls)	0.3462
Implied Volatility (Puts)	0.3464
Implied Volatility (Mean)	0.3463
Put-Call Implied Volatility Ratio	1.0006
Implied Volatility Skew	0.0428
Option Statistics
Put-Call Ratio (Volume)	0.7892
Put-Call Ratio (Open Interest)	0.5488