Put-Call Ratio (Volume) (90-Day)

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

Ultra Clean Holdings, Inc. (UCTT) had 90-Day Put-Call Ratio (Volume) of 2.7640 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1689
Historical Volatility (Parkinson)	0.8910
Implied Volatility (Calls)	0.8658
Implied Volatility (Puts)	0.8590
Implied Volatility (Mean)	0.8624
Put-Call Implied Volatility Ratio	0.9921
Implied Volatility Skew	0.0201
Option Statistics
Put-Call Ratio (Volume)	2.7640
Put-Call Ratio (Open Interest)	0.5363