Carmax (KMX)'s 30-day implied volatility (IV30) was 53.1% at the close on November 6, 2026, down from 53.3% the day before, against a 52-week range of 38.0% to 81.7%. Its 20-day historical volatility was 52.3%.
Key numbers
30-day implied volatility (IV30): 53.1%
IV30 52-week range: 38.0% to 81.7% (median 50.2%)
Historical volatility: 20-day 52.3%, 1-year 45.8%
Implied move by the nearest expiration: ±3.1%
Data as of November 6, 2026.
KMX Implied Volatility (IV) vs Historical Volatility (HV)
The KMX IV term structure shows the implied volatility difference between different maturity dates.
