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.

KalVista Pharmaceuticals, Inc. (KALV) had 30-Day Put-Call Ratio (Volume) of 0.0210 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6808
Historical Volatility (Parkinson)	0.6785
Implied Volatility (Calls)	0.8794
Implied Volatility (Puts)	0.7477
Implied Volatility (Mean)	0.8136
Put-Call Implied Volatility Ratio	0.8502
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0210
Put-Call Ratio (Open Interest)	0.1139