United Microelectronics (New) (UMC)'s 30-day implied volatility (IV30) was 64.9% at the close on November 9, 2026, down from 68.0% the day before, against a 52-week range of 21.1% to 99.3%. Its 20-day historical volatility was 63.7%.

Key numbers

30-day implied volatility (IV30): 64.9%
IV30 52-week range: 21.1% to 99.3% (median 56.8%)
Historical volatility: 20-day 63.7%, 1-year 61.8%
Implied move by the nearest expiration: ±4.5%

Data as of November 9, 2026.

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

Name: UMC Implied Volatility
Creator: Market Chameleon