Nisource (NI)'s 30-day implied volatility (IV30) was 18.0% at the close on October 30, 2026, up from 17.0% the day before, against a 52-week range of 15.2% to 26.9%. Its 20-day historical volatility was 19.8%.
Key numbers
30-day implied volatility (IV30): 18.0%
IV30 52-week range: 15.2% to 26.9% (median 21.9%)
Historical volatility: 20-day 19.8%, 1-year 19.9%
Implied move by the nearest expiration: ±1.1%
Data as of October 30, 2026.
NI Implied Volatility (IV) vs Historical Volatility (HV)
The NI IV term structure shows the implied volatility difference between different maturity dates.