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.

VistaGen Therapeutics, Inc. (VTGN) had 10-Day Put-Call Ratio (Volume) of 0.0000 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1495
Historical Volatility (Parkinson)	1.1929
Implied Volatility (Calls)	4.1328
Implied Volatility (Puts)	1.8704
Implied Volatility (Mean)	3.0016
Put-Call Implied Volatility Ratio	0.4526
Implied Volatility Skew	0.1945
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0004