Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Gossamer Bio, Inc. (GOSS) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8865
Historical Volatility (Parkinson)	0.7867
Implied Volatility (Calls)	2.2242
Implied Volatility (Puts)	2.3230
Implied Volatility (Mean)	2.2736
Put-Call Implied Volatility Ratio	1.0445
Implied Volatility Skew	0.0460
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1341