Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 0.2303 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9671
Historical Volatility (Parkinson)	0.4983
Implied Volatility (Calls)	0.6806
Implied Volatility (Puts)	0.5479
Implied Volatility (Mean)	0.6142
Put-Call Implied Volatility Ratio	0.8051
Implied Volatility Skew	0.0467
Option Statistics
Put-Call Ratio (Volume)	0.2303
Put-Call Ratio (Open Interest)	2.6780