Put-Call Ratio (Volume) (150-Day)

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

Intuitive Surgical, Inc. (ISRG) had 150-Day Put-Call Ratio (Volume) of 0.7563 for 2026-09-18.

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Figures for 2026-09-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4452
Historical Volatility (Parkinson)	0.3076
Implied Volatility (Calls)	0.4002
Implied Volatility (Puts)	0.3905
Implied Volatility (Mean)	0.3953
Put-Call Implied Volatility Ratio	0.9758
Implied Volatility Skew	0.0137
Option Statistics
Put-Call Ratio (Volume)	0.7563
Put-Call Ratio (Open Interest)	1.1222