Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 29.5952 for 2025-09-15.

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Figures for 2025-09-15

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1546
Historical Volatility (Parkinson)	0.1270
Implied Volatility (Calls)	0.3481
Implied Volatility (Puts)	0.4732
Implied Volatility (Mean)	0.4107
Put-Call Implied Volatility Ratio	1.3594
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	29.5952
Put-Call Ratio (Open Interest)	4.1815