Otter Tail (OTTR)'s 30-day implied volatility (IV30) was 21.9% at the close on November 5, 2026, up from 20.1% the day before, against a 52-week range of 12.4% to 30.2%. Its 20-day historical volatility was 20.3%.
Key numbers
30-day implied volatility (IV30): 21.9%
IV30 52-week range: 12.4% to 30.2% (median 19.5%)
Historical volatility: 20-day 20.3%, 1-year 24.2%
Implied move by the nearest expiration: ±1.3%
Data as of November 5, 2026.
OTTR Implied Volatility (IV) vs Historical Volatility (HV)
The OTTR IV term structure shows the implied volatility difference between different maturity dates.