Idt Class B (IDT)'s 30-day implied volatility (IV30) was 36.0% at the close on November 11, 2026, up from 31.1% the day before, against a 52-week range of 18.7% to 49.5%. Its 20-day historical volatility was 27.7%.
Key numbers
30-day implied volatility (IV30): 36.0%
IV30 52-week range: 18.7% to 49.5% (median 29.3%)
Historical volatility: 20-day 27.7%, 1-year 31.1%
Implied move by the nearest expiration: ±1.8%
Data as of November 11, 2026.
IDT Implied Volatility (IV) vs Historical Volatility (HV)
The IDT IV term structure shows the implied volatility difference between different maturity dates.
