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.

Alnylam Pharmaceuticals, Inc. (ALNY) had 90-Day Put-Call Ratio (Volume) of 0.1135 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7993
Historical Volatility (Parkinson)	0.4977
Implied Volatility (Calls)	0.4889
Implied Volatility (Puts)	0.4826
Implied Volatility (Mean)	0.4857
Put-Call Implied Volatility Ratio	0.9870
Implied Volatility Skew	0.0169
Option Statistics
Put-Call Ratio (Volume)	0.1135
Put-Call Ratio (Open Interest)	0.9437