Icon PLC - (ICLR)'s 30-day implied volatility (IV30) was 61.5% at the close on October 22, 2026, down from 62.1% the day before, against a 52-week range of 37.5% to 99.6%. Its 20-day historical volatility was 55.1%.
Key numbers
30-day implied volatility (IV30): 61.5%
IV30 52-week range: 37.5% to 99.6% (median 50.4%)
Historical volatility: 20-day 55.1%, 1-year 51.0%
Implied move by the nearest expiration: ±3.9%
Data as of October 22, 2026.
ICLR Implied Volatility (IV) vs Historical Volatility (HV)
The ICLR IV term structure shows the implied volatility difference between different maturity dates.
