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.

Soleno Therapeutics, Inc. (SLNO) 30-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1096
Historical Volatility (Parkinson)	0.5158
Implied Volatility (Calls)	0.7853
Implied Volatility (Puts)	0.1708
Implied Volatility (Mean)	0.4781
Put-Call Implied Volatility Ratio	0.2176
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.9955