Medifast (MED)'s 30-day implied volatility (IV30) was 49.3% at the close on October 15, 2026, up from 44.1% the day before, against a 52-week range of 30.1% to 55.4%. Its 20-day historical volatility was 31.4%.
Key numbers
30-day implied volatility (IV30): 49.3%
IV30 52-week range: 30.1% to 55.4% (median 39.3%)
Historical volatility: 20-day 31.4%, 1-year 42.8%
Implied move by the nearest expiration: ±2.2%
Data as of October 15, 2026.
MED Implied Volatility (IV) vs Historical Volatility (HV)
The MED IV term structure shows the implied volatility difference between different maturity dates.