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.

Ultragenyx Pharmaceutical Inc. (RARE) had 30-Day Put-Call Ratio (Volume) of 0.2760 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5341
Historical Volatility (Parkinson)	0.5225
Implied Volatility (Calls)	1.1404
Implied Volatility (Puts)	1.1441
Implied Volatility (Mean)	1.1423
Put-Call Implied Volatility Ratio	1.0032
Implied Volatility Skew	-0.0577
Option Statistics
Put-Call Ratio (Volume)	0.2760
Put-Call Ratio (Open Interest)	0.3742