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UMC.US.STK (UMC.US.STK) News

Follow UMC.US.STK (UMC.US.STK) news in one place: company catalysts, earnings, analyst actions and wider market developments. Review 1 public stories across 1 publication days to understand how the story developed. Public news appears after a 15-minute delay; LiveCast subscribers can follow new headlines and hear important updates without this additional delay.

Symbol UMC.US.STK Asset market Sector Markets 90 days 1 Updated Jul 08, 2026, 03:45 PM UTC Open live news feed

H United Microelectronics call volume above normal and directionally bullish Bullish option flow detected in United Microelectronics with 7,282 calls trading, 1.1x expected, and implied vol increasing almost 2 points to 99.52%. Oct-26 25 calls and Aug-26 24 puts are the most active options, with EQUITY | Jul 08, 2026, 03:45 PM UTC