Put-Call Ratio (Volume) (30-Day)

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

MKS Inc. (MKSI) had 30-Day Put-Call Ratio (Volume) of 27.4874 for 2025-10-13.

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Figures for 2025-10-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7098
Historical Volatility (Parkinson)	0.4686
Implied Volatility (Calls)	0.5829
Implied Volatility (Puts)	0.5979
Implied Volatility (Mean)	0.5904
Put-Call Implied Volatility Ratio	1.0257
Implied Volatility Skew	0.0369
Option Statistics
Put-Call Ratio (Volume)	27.4874
Put-Call Ratio (Open Interest)	1.3590