Guardant Health (GH)'s 30-day implied volatility (IV30) was 72.6% at the close on October 23, 2026, up from 71.3% the day before, against a 52-week range of 43.0% to 93.8%. Its 20-day historical volatility was 51.4%.
Key numbers
30-day implied volatility (IV30): 72.6%
IV30 52-week range: 43.0% to 93.8% (median 58.8%)
Historical volatility: 20-day 51.4%, 1-year 55.3%
Implied move by the nearest expiration: ±4.5%
Data as of October 23, 2026.
GH Implied Volatility (IV) vs Historical Volatility (HV)
The GH IV term structure shows the implied volatility difference between different maturity dates.