Chunghwa Telecom Co. Ltd. (CHT)'s 30-day implied volatility (IV30) was 18.3% at the close on November 4, 2026, down from 18.9% the day before, against a 52-week range of 13.0% to 29.5%. Its 20-day historical volatility was 18.3%.

Key numbers

30-day implied volatility (IV30): 18.3%
IV30 52-week range: 13.0% to 29.5% (median 18.0%)
Historical volatility: 20-day 18.3%, 1-year 19.8%
Implied move by the nearest expiration: ±1.1%

Data as of November 4, 2026.

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

Name: CHT Implied Volatility
Creator: Market Chameleon