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.

Onto Innovation Inc. (ONTO) had 30-Day Put-Call Ratio (Volume) of 1.4101 for 2026-03-04.

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Figures for 2026-03-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5619
Historical Volatility (Parkinson)	0.5794
Implied Volatility (Calls)	0.6012
Implied Volatility (Puts)	0.5902
Implied Volatility (Mean)	0.5957
Put-Call Implied Volatility Ratio	0.9816
Implied Volatility Skew	0.0715
Option Statistics
Put-Call Ratio (Volume)	1.4101
Put-Call Ratio (Open Interest)	0.4079