NiSource - 52 Year Stock Price History | NI

The latest closing stock price for NiSource as of June 26, 2025 is 39.61.

  • An investor who bought $1,000 worth of NiSource stock at the IPO in 1973 would have $50,189 today, roughly 50 times their original investment - a 7.86% compound annual growth rate over 52 years.
  • The all-time high NiSource stock closing price was 40.94 on March 03, 2025.
  • The NiSource 52-week high stock price is 41.45, which is 4.6% above the current share price.
  • The NiSource 52-week low stock price is 28.42, which is 28.3% below the current share price.
  • The average NiSource stock price for the last 52 weeks is 36.30.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

NiSource - 52 Year Stock Price History | NI

  • An investor who bought $1,000 worth of NiSource stock at the IPO in 1973 would have $50,189 today, roughly 50 times their original investment - a 7.86% compound annual growth rate over 52 years.
  • The all-time high NiSource stock closing price was 40.94 on March 03, 2025.
  • The NiSource 52-week high stock price is 41.45, which is 4.6% above the current share price.
  • The NiSource 52-week low stock price is 28.42, which is 28.3% below the current share price.
  • The average NiSource stock price for the last 52 weeks is 36.30.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.