Put-Call Ratio (Volume) (20-Day)

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

HDFC Bank Limited (HDB) had 20-Day Put-Call Ratio (Volume) of 0.6893 for 2026-06-04.

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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2427
Historical Volatility (Parkinson)	0.2003
Implied Volatility (Calls)	0.4107
Implied Volatility (Puts)	0.4496
Implied Volatility (Mean)	0.4302
Put-Call Implied Volatility Ratio	1.0948
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.6893
Put-Call Ratio (Open Interest)	1.1926