Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

HDFC Bank Limited (HDB) had 180-Day Put-Call Ratio (Open Interest) of 0.1535 for 2025-06-30.

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Figures for 2025-06-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2364
Historical Volatility (Parkinson)	0.1671
Implied Volatility (Calls)	0.2439
Implied Volatility (Puts)	0.2120
Implied Volatility (Mean)	0.2280
Put-Call Implied Volatility Ratio	0.8694
Implied Volatility Skew	0.0439
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1535