Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 0.1071 for 2026-09-01.

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Figures for 2026-09-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4527
Historical Volatility (Parkinson)	0.3293
Implied Volatility (Calls)	0.3379
Implied Volatility (Puts)	0.3493
Implied Volatility (Mean)	0.3436
Put-Call Implied Volatility Ratio	1.0338
Implied Volatility Skew	0.0183
Option Statistics
Put-Call Ratio (Volume)	0.1071
Put-Call Ratio (Open Interest)	0.4245