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 0.0000 for 2025-12-05.

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Figures for 2025-12-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2246
Historical Volatility (Parkinson)	1.0003
Implied Volatility (Calls)	2.3521
Implied Volatility (Puts)	2.5495
Implied Volatility (Mean)	2.4508
Put-Call Implied Volatility Ratio	1.0839
Implied Volatility Skew	0.1300
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1092