Put-Call Ratio (Volume) (180-Day)

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

VistaGen Therapeutics, Inc. (VTGN) had 180-Day Put-Call Ratio (Volume) of 0.0788 for 2025-08-19.

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Figures for 2025-08-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7141
Historical Volatility (Parkinson)	0.7164
Implied Volatility (Calls)	1.8611
Implied Volatility (Puts)	2.0033
Implied Volatility (Mean)	1.9322
Put-Call Implied Volatility Ratio	1.0764
Implied Volatility Skew	-0.0152
Option Statistics
Put-Call Ratio (Volume)	0.0788
Put-Call Ratio (Open Interest)	0.1252