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.

United Microelectronics Corporation (UMC) had 150-Day Put-Call Ratio (Volume) of 1.8646 for 2026-06-03.

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Figures for 2026-06-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6600
Historical Volatility (Parkinson)	0.3307
Implied Volatility (Calls)	0.7753
Implied Volatility (Puts)	0.8328
Implied Volatility (Mean)	0.8040
Put-Call Implied Volatility Ratio	1.0741
Implied Volatility Skew	-0.0286
Option Statistics
Put-Call Ratio (Volume)	1.8646
Put-Call Ratio (Open Interest)	0.2003