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.

ACADIA Pharmaceuticals Inc. (ACAD) had 180-Day Put-Call Ratio (Volume) of 0.7273 for 2026-10-02.

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Figures for 2026-10-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3993
Historical Volatility (Parkinson)	0.3342
Implied Volatility (Calls)	0.5304
Implied Volatility (Puts)	0.4712
Implied Volatility (Mean)	0.5008
Put-Call Implied Volatility Ratio	0.8885
Implied Volatility Skew	0.0762
Option Statistics
Put-Call Ratio (Volume)	0.7273
Put-Call Ratio (Open Interest)	0.0953