NiSource - 41 Year Stock Price History | NI
- An investor who bought $1,000 worth of NiSource stock at the IPO in 1984 would have $70,644 today, roughly 71 times their original investment - a 11.27% compound annual growth rate over 40 years.
- The all-time high NiSource stock closing price was 41.23 on March 03, 2025.
- The NiSource 52-week high stock price is 41.45, which is 3.8% above the current share price.
- The NiSource 52-week low stock price is 26.25, which is 34.2% below the current share price.
- The average NiSource stock price for the last 52 weeks is 33.58.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.