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.

Talphera, Inc. (TLPH) had 30-Day Put-Call Ratio (Volume) of 50.0000 for 2025-10-13.

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Figures for 2025-10-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9262
Historical Volatility (Parkinson)	1.0660
Implied Volatility (Calls)	1.7201
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	50.0000
Put-Call Ratio (Open Interest)	0.0205