Put-Call Ratio (Open Interest) (20-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.

Novartis AG (NVS) had 20-Day Put-Call Ratio (Open Interest) of 1.4417 for 2025-12-30.

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Figures for 2025-12-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1110
Historical Volatility (Parkinson)	0.1066
Implied Volatility (Calls)	0.1834
Implied Volatility (Puts)	0.1715
Implied Volatility (Mean)	0.1774
Put-Call Implied Volatility Ratio	0.9348
Implied Volatility Skew	0.0067
Option Statistics
Put-Call Ratio (Volume)	0.3290
Put-Call Ratio (Open Interest)	1.4417