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) had 30-Day Put-Call Ratio (Volume) of 0.1585 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3991
Historical Volatility (Parkinson)	0.6064
Implied Volatility (Calls)	0.7005
Implied Volatility (Puts)	0.7190
Implied Volatility (Mean)	0.7098
Put-Call Implied Volatility Ratio	1.0264
Implied Volatility Skew	0.0381
Option Statistics
Put-Call Ratio (Volume)	0.1585
Put-Call Ratio (Open Interest)	1.1943