Put-Call Ratio (Volume) (20-Day)

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

KLA Corporation (KLAC) had 20-Day Put-Call Ratio (Volume) of 1.7530 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5464
Historical Volatility (Parkinson)	0.3045
Implied Volatility (Calls)	0.4712
Implied Volatility (Puts)	0.4664
Implied Volatility (Mean)	0.4688
Put-Call Implied Volatility Ratio	0.9899
Implied Volatility Skew	0.0172
Option Statistics
Put-Call Ratio (Volume)	1.7530
Put-Call Ratio (Open Interest)	1.0223