Put-Call Ratio (Volume) (10-Day)

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

Palvella Therapeutics, Inc. (PVLA) had 10-Day Put-Call Ratio (Volume) of 0.2340 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.8700
Historical Volatility (Parkinson)	1.2147
Implied Volatility (Calls)	0.7182
Implied Volatility (Puts)	0.7259
Implied Volatility (Mean)	0.7220
Put-Call Implied Volatility Ratio	1.0108
Implied Volatility Skew	0.0622
Option Statistics
Put-Call Ratio (Volume)	0.2340
Put-Call Ratio (Open Interest)	0.1691