Put-Call Ratio (Volume) (150-Day)

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

KalVista Pharmaceuticals, Inc. (KALV) had 150-Day Put-Call Ratio (Volume) of 0.1053 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6250
Historical Volatility (Parkinson)	0.6641
Implied Volatility (Calls)	0.9298
Implied Volatility (Puts)	0.9516
Implied Volatility (Mean)	0.9407
Put-Call Implied Volatility Ratio	1.0234
Implied Volatility Skew	0.0644
Option Statistics
Put-Call Ratio (Volume)	0.1053
Put-Call Ratio (Open Interest)	0.0110