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 0.1620 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5408
Historical Volatility (Parkinson)	0.2427
Implied Volatility (Calls)	0.4588
Implied Volatility (Puts)	0.3488
Implied Volatility (Mean)	0.4038
Put-Call Implied Volatility Ratio	0.7604
Implied Volatility Skew	0.0762
Option Statistics
Put-Call Ratio (Volume)	0.1620
Put-Call Ratio (Open Interest)	1.0317