United Microelectronics (New) (UMC)'s 30-day implied volatility (IV30) was 74.4% at the close on November 5, 2026, up from 53.8% the day before, against a 52-week range of 21.1% to 99.3%. Its 20-day historical volatility was 58.4%.

Key numbers

30-day implied volatility (IV30): 74.4%
IV30 52-week range: 21.1% to 99.3% (median 56.6%)
Historical volatility: 20-day 58.4%, 1-year 60.4%
Implied move by the nearest expiration: ±3.5%

Data as of November 5, 2026.

UMC Implied Volatility (IV) vs Historical Volatility (HV)

Name: UMC Implied Volatility
Creator: Market Chameleon