Dexcom (DXCM)'s 30-day implied volatility (IV30) was 42.0% at the close on November 5, 2026, up from 37.9% the day before, against a 52-week range of 25.0% to 64.5%. Its 20-day historical volatility was 38.3%.
Key numbers
30-day implied volatility (IV30): 42.0%
IV30 52-week range: 25.0% to 64.5% (median 41.0%)
Historical volatility: 20-day 38.3%, 1-year 35.9%
Implied move by the nearest expiration: ±2.6%
Data as of November 5, 2026.
DXCM Implied Volatility (IV) vs Historical Volatility (HV)
The DXCM IV term structure shows the implied volatility difference between different maturity dates.
