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.

Intuitive Surgical, Inc. (ISRG) had 20-Day Put-Call Ratio (Open Interest) of 0.9796 for 2025-12-26.

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Figures for 2025-12-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2195
Historical Volatility (Parkinson)	0.1855
Implied Volatility (Calls)	0.3386
Implied Volatility (Puts)	0.3388
Implied Volatility (Mean)	0.3387
Put-Call Implied Volatility Ratio	1.0007
Implied Volatility Skew	0.0662
Option Statistics
Put-Call Ratio (Volume)	0.2863
Put-Call Ratio (Open Interest)	0.9796