Chipmos Technologies - American Depositary Shares (IMOS)'s 30-day implied volatility (IV30) was 63.2% at the close on October 28, 2026, down from 63.9% the day before, against a 52-week range of 33.0% to 91.4%. Its 20-day historical volatility was 79.8%.

Key numbers

30-day implied volatility (IV30): 63.2%
IV30 52-week range: 33.0% to 91.4% (median 54.5%)
Historical volatility: 20-day 79.8%, 1-year 73.1%
Implied move by the nearest expiration: ±3.9%

Data as of October 28, 2026.

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

Name: IMOS Implied Volatility
Creator: Market Chameleon