Delta Air Lines (DAL)'s 30-day implied volatility (IV30) was 42.3% at the close on October 28, 2026, up from 40.7% the day before, against a 52-week range of 30.8% to 62.7%. Its 20-day historical volatility was 41.3%.
Key numbers
30-day implied volatility (IV30): 42.3%
IV30 52-week range: 30.8% to 62.7% (median 42.4%)
Historical volatility: 20-day 41.3%, 1-year 41.1%
Implied move by the nearest expiration: ±2.4%
Data as of October 28, 2026.
DAL Implied Volatility (IV) vs Historical Volatility (HV)
The DAL IV term structure shows the implied volatility difference between different maturity dates.