Fastly - Class A (FSLY)'s 30-day implied volatility (IV30) was 120.8% at the close on October 16, 2026, up from 112.3% the day before, against a 52-week range of 51.2% to 131.5%. Its 20-day historical volatility was 114.0%.

Key numbers

30-day implied volatility (IV30): 120.8%
IV30 52-week range: 51.2% to 131.5% (median 84.9%)
Historical volatility: 20-day 114.0%, 1-year 90.5%
Implied move by the nearest expiration: ±5.5%

Data as of October 16, 2026.

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

Name: FSLY Implied Volatility
Creator: Market Chameleon