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.

Historical Daily Chart

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Annual Average Price

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Historical Annual Returns

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