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.

Alkermes plc (ALKS) 180-Day Put-Call Ratio (Volume) data is not available for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3812
Historical Volatility (Parkinson)	0.4008
Implied Volatility (Calls)	0.4877
Implied Volatility (Puts)	0.4891
Implied Volatility (Mean)	0.4884
Put-Call Implied Volatility Ratio	1.0030
Implied Volatility Skew	0.0300
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.5591