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.

Alkermes plc (ALKS) had 30-Day Put-Call Ratio (Volume) of 12.0219 for 2025-08-29.

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Figures for 2025-08-29

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3438
Historical Volatility (Parkinson)	0.2457
Implied Volatility (Calls)	0.5672
Implied Volatility (Puts)	0.5796
Implied Volatility (Mean)	0.5734
Put-Call Implied Volatility Ratio	1.0219
Implied Volatility Skew	-0.0921
Option Statistics
Put-Call Ratio (Volume)	12.0219
Put-Call Ratio (Open Interest)	0.6036