Graftech International Ltd. (EAF)'s 30-day implied volatility (IV30) was 106.3% at the close on October 20, 2026, down from 107.6% the day before, against a 52-week range of 57.9% to 110.7%. Its 20-day historical volatility was 112.1%.

Key numbers

30-day implied volatility (IV30): 106.3%
IV30 52-week range: 57.9% to 110.7% (median 90.7%)
Historical volatility: 20-day 112.1%, 1-year 101.8%
Implied move by the nearest expiration: ±6.8%

Data as of October 20, 2026.

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

Name: EAF Implied Volatility
Creator: Market Chameleon