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.

BioCryst Pharmaceuticals, Inc. (BCRX) had 30-Day Put-Call Ratio (Volume) of 0.6451 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4617
Historical Volatility (Parkinson)	0.4284
Implied Volatility (Calls)	0.8052
Implied Volatility (Puts)	0.7983
Implied Volatility (Mean)	0.8017
Put-Call Implied Volatility Ratio	0.9915
Implied Volatility Skew	0.0784
Option Statistics
Put-Call Ratio (Volume)	0.6451
Put-Call Ratio (Open Interest)	0.0799