Quest Diagnostics (DGX)'s 30-day implied volatility (IV30) was 27.2% at the close on November 2, 2026, up from 26.2% the day before, against a 52-week range of 17.5% to 34.4%. Its 20-day historical volatility was 22.3%.
Key numbers
30-day implied volatility (IV30): 27.2%
IV30 52-week range: 17.5% to 34.4% (median 24.2%)
Historical volatility: 20-day 22.3%, 1-year 23.8%
Implied move by the nearest expiration: ±1.7%
Data as of November 2, 2026.
DGX Implied Volatility (IV) vs Historical Volatility (HV)
The DGX IV term structure shows the implied volatility difference between different maturity dates.