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.

Ionis Pharmaceuticals, Inc. (IONS) had 30-Day Put-Call Ratio (Volume) of 0.5556 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3928
Historical Volatility (Parkinson)	0.4141
Implied Volatility (Calls)	0.4812
Implied Volatility (Puts)	0.4826
Implied Volatility (Mean)	0.4819
Put-Call Implied Volatility Ratio	1.0028
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.5556
Put-Call Ratio (Open Interest)	0.6762