American Superconductor (AMSC)'s 30-day implied volatility (IV30) was 86.9% at the close on October 28, 2026, up from 81.7% the day before, against a 52-week range of 57.7% to 125.7%. Its 20-day historical volatility was 72.3%.

Key numbers

30-day implied volatility (IV30): 86.9%
IV30 52-week range: 57.7% to 125.7% (median 80.4%)
Historical volatility: 20-day 72.3%, 1-year 76.6%
Implied move by the nearest expiration: ±5.2%

Data as of October 28, 2026.

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

Name: AMSC Implied Volatility
Creator: Market Chameleon