NiSource Stock Price History
NYSE: NIUtilitiesPower GenerationUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
NI price history at a glance
The price history for NiSource (NI) on this page begins on February 19, 1973, when the stock closed at $4.74; it most recently closed at $40.76 on October 5, 2026. The highest price in this record is $49.21, reached on June 29, 2026; the latest close is 17.2% below that peak. Across the 52 complete calendar years in the table, NI finished higher in 31 and lower in 21. Its best year was 2000 (+72.0%) and its worst was 1999 (-41.3%).
Over roughly 54 years the share price changed +760.0%, a 4.1% compound annual price return (excluding dividends). In the last 12 months alone, NI has lost 5.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1973
- $49.21
- Date of high
- Jun 29, 2026
- Low since 1973
- $1.57
- Date of low
- Oct 19, 1987
- 52-week high
- $49.21
- 52-week low
- $38.42
- Last close
- $40.76
NI returns
1 week
+3.37%
1 month
-2.18%
3 months
-13.09%
6 months
-15.17%
Year to date
-2.39%
1 year
-5.08%
3 years
+58.11%
5 years
+63.83%
NI price return, excluding dividends.
NI annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 40.76 | -3.32% |
| 2025 | 42.16 | +15.86% |
| 2024 | 36.39 | +37.06% |
| 2023 | 26.55 | -3.17% |
| 2022 | 27.42 | -0.69% |
| 2021 | 27.61 | +20.36% |
| 2020 | 22.94 | -16.28% |
| 2019 | 27.40 | +7.28% |
| 2018 | 25.54 | -0.51% |
| 2017 | 25.67 | +15.94% |
| 2016 | 22.14 | +13.48% |
| 2015 | 19.51 | +16.97% |
| 2014 | 16.68 | +30.78% |
| 2013 | 12.75 | +27.79% |
| 2012 | 9.98 | +6.68% |
| 2011 | 9.36 | +35.13% |
| 2010 | 6.92 | +14.57% |
| 2009 | 6.04 | +38.06% |
| 2008 | 4.38 | -40.17% |
| 2007 | 7.32 | -22.74% |
| 2006 | 9.47 | +15.53% |
| 2005 | 8.20 | -8.43% |
| 2004 | 8.95 | +5.17% |
| 2003 | 8.51 | +5.35% |
| 2002 | 8.08 | -14.62% |
| 2001 | 9.46 | -21.69% |
| 2000 | 12.08 | +72.03% |
| 1999 | 7.02 | -41.27% |
| 1998 | 11.96 | +22.98% |
| 1997 | 9.73 | +26.92% |
| 1996 | 7.66 | +1.96% |
| 1995 | 7.51 | +28.57% |
| 1994 | 5.84 | -9.51% |
| 1993 | 6.46 | +24.06% |
| 1992 | 5.21 | +1.44% |
| 1991 | 5.13 | +38.41% |
| 1990 | 3.71 | -2.58% |
| 1989 | 3.81 | +39.64% |
| 1988 | 2.73 | +63.24% |
| 1987 | 1.67 | -27.66% |
| 1986 | 2.31 | +17.50% |
| 1985 | 1.96 | -12.09% |
| 1984 | 2.23 | -22.22% |
| 1983 | 2.87 | +15.84% |
| 1982 | 2.48 | +14.77% |
| 1981 | 2.16 | -7.37% |
| 1980 | 2.33 | -14.41% |
| 1979 | 2.73 | -11.91% |
| 1978 | 3.09 | -17.65% |
| 1977 | 3.76 | -3.77% |
| 1976 | 3.90 | +11.19% |
| 1975 | 3.51 | +19.17% |
| 1974 | 2.95 | -19.46% |
| 1973* | 3.66 | -22.80% |
* Partial year: the record begins after the start of 1973; return measured from the first available close.
2026 return is year to date.
NI daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 40.56 | 40.95 | 40.49 | 40.76 | +0.57% | |
| 40.51 | 40.65 | 40.13 | 40.53 | -0.02% | |
| 40.61 | 40.84 | 40.31 | 40.54 | -0.32% | |
| 40.25 | 40.70 | 39.59 | 40.67 | +2.83% | |
| 39.50 | 39.84 | 39.27 | 39.55 | +0.30% | |
| 39.76 | 40.01 | 39.38 | 39.43 | -0.18% | |
| 38.98 | 39.54 | 38.42 | 39.50 | +1.28% | |
| 39.32 | 39.55 | 38.98 | 39.00 | -0.81% | |
| 38.96 | 39.57 | 38.87 | 39.32 | +0.56% | |
| 39.38 | 39.44 | 39.05 | 39.10 | -0.81% | |
| 39.12 | 39.57 | 38.99 | 39.42 | +0.77% | |
| 39.35 | 39.54 | 38.95 | 39.12 | -0.33% | |
| 39.69 | 39.74 | 39.00 | 39.25 | -1.58% | |
| 40.39 | 40.53 | 39.87 | 39.88 | -1.58% | |
| 40.64 | 40.76 | 40.31 | 40.52 | -0.15% | |
| 40.58 | 40.69 | 40.44 | 40.58 | -0.81% | |
| 40.87 | 41.05 | 40.59 | 40.91 | +0.61% | |
| 40.88 | 41.09 | 40.47 | 40.66 | +0.17% | |
| 41.11 | 41.20 | 40.52 | 40.59 | -1.17% | |
| 41.53 | 41.68 | 40.94 | 41.07 | -0.82% | |
| 41.64 | 41.90 | 41.36 | 41.41 | -0.02% | |
| 41.86 | 42.00 | 41.36 | 41.42 | -0.60% | |
| 41.83 | 42.05 | 41.40 | 41.67 | -0.55% | |
| 41.36 | 42.18 | 41.36 | 41.90 | +1.23% | |
| 41.38 | 41.64 | 41.16 | 41.39 | -0.65% | |
| 41.30 | 41.79 | 41.24 | 41.66 | +1.24% | |
| 40.79 | 41.19 | 40.61 | 41.15 | +0.46% | |
| 41.04 | 41.28 | 40.76 | 40.96 | +0.10% | |
| 40.44 | 41.08 | 40.09 | 40.92 | +0.86% | |
| 41.30 | 41.30 | 40.49 | 40.57 | -0.95% | |
| 40.81 | 41.08 | 40.61 | 40.96 | -0.41% | |
| 40.61 | 41.25 | 40.61 | 41.13 | +1.18% | |
| 40.90 | 41.08 | 40.65 | 40.65 | -0.44% | |
| 40.66 | 40.89 | 40.49 | 40.83 | +0.52% | |
| 41.77 | 42.38 | 40.61 | 40.62 | -2.45% | |
| 41.50 | 42.23 | 41.43 | 41.64 | +0.02% | |
| 42.24 | 42.27 | 41.58 | 41.63 | -1.16% | |
| 43.22 | 43.22 | 42.01 | 42.12 | -0.59% | |
| 42.26 | 42.38 | 41.96 | 42.37 | -0.31% | |
| 41.98 | 42.64 | 41.98 | 42.50 | +1.00% | |
| 42.19 | 42.36 | 42.04 | 42.08 | +0.21% | |
| 41.82 | 42.37 | 41.67 | 41.99 | -0.05% | |
| 41.73 | 42.11 | 41.41 | 42.01 | +0.55% | |
| 42.34 | 42.34 | 41.70 | 41.78 | -1.95% | |
| 43.15 | 43.31 | 42.55 | 42.61 | -1.78% | |
| 43.28 | 43.51 | 42.70 | 43.38 | +1.10% | |
| 42.96 | 43.99 | 41.95 | 42.91 | -3.64% | |
| 44.52 | 44.69 | 43.69 | 44.53 | 0.00% | |
| 44.35 | 45.02 | 44.25 | 44.53 | +0.23% | |
| 44.75 | 44.96 | 44.43 | 44.43 | -1.42% | |
| 45.21 | 45.27 | 44.32 | 45.07 | +0.58% | |
| 45.73 | 45.90 | 44.78 | 44.81 | -2.01% | |
| 46.31 | 46.53 | 45.73 | 45.73 | -0.17% | |
| 46.54 | 46.69 | 45.68 | 45.81 | -1.86% | |
| 46.98 | 47.07 | 46.50 | 46.68 | -0.15% | |
| 46.20 | 47.02 | 46.06 | 46.75 | +0.39% | |
| 45.76 | 46.62 | 45.70 | 46.57 | +2.64% | |
| 45.82 | 45.82 | 44.83 | 45.37 | 0.00% | |
| 46.20 | 46.39 | 45.24 | 45.37 | -1.33% | |
| 46.50 | 46.99 | 45.79 | 45.98 | -0.63% | |
| 45.73 | 46.33 | 45.62 | 46.27 | +1.23% | |
| 46.59 | 46.71 | 45.47 | 45.71 | -1.95% | |
| 47.47 | 47.54 | 46.51 | 46.62 | -0.96% | |
| 46.97 | 47.34 | 46.95 | 47.07 | +0.36% | |
| 46.64 | 47.14 | 46.55 | 46.90 | +0.51% | |
| 47.44 | 47.44 | 46.60 | 46.66 | -0.41% | |
| 47.67 | 47.75 | 46.76 | 46.85 | -1.35% | |
| 47.37 | 48.06 | 47.37 | 47.49 | +0.94% | |
| 47.68 | 47.82 | 47.02 | 47.05 | -1.61% | |
| 47.34 | 47.82 | 46.98 | 47.82 | +2.03% | |
| 47.55 | 47.70 | 46.86 | 46.87 | -1.43% | |
| 47.65 | 48.18 | 47.50 | 47.55 | -1.25% | |
| 48.81 | 49.21 | 47.94 | 48.15 | -1.89% | |
| 48.18 | 49.08 | 48.06 | 49.08 | +2.66% | |
| 47.99 | 48.38 | 47.53 | 47.81 | +0.38% | |
| 47.22 | 47.68 | 47.07 | 47.63 | +0.78% | |
| 47.21 | 47.74 | 46.17 | 47.26 | -0.78% | |
| 46.94 | 47.90 | 46.59 | 47.63 | +0.78% | |
| 47.13 | 47.41 | 46.84 | 47.26 | +1.05% | |
| 47.41 | 47.88 | 46.52 | 46.77 | -1.99% | |
| 47.64 | 48.08 | 47.44 | 47.72 | +0.53% | |
| 47.05 | 47.80 | 46.93 | 47.47 | +0.55% | |
| 46.85 | 47.32 | 46.80 | 47.21 | +1.27% | |
| 46.89 | 47.25 | 46.52 | 46.62 | -0.02% | |
| 46.72 | 46.72 | 46.27 | 46.63 | +0.65% | |
| 46.10 | 46.58 | 45.86 | 46.33 | +1.05% | |
| 46.79 | 46.79 | 45.69 | 45.85 | -1.63% | |
| 46.02 | 46.86 | 46.00 | 46.61 | +1.66% | |
| 45.70 | 45.93 | 45.15 | 45.85 | +0.70% | |
| 45.97 | 46.58 | 45.53 | 45.53 | -0.72% | |
| 45.22 | 45.87 | 45.09 | 45.86 | +1.69% | |
| 45.78 | 45.87 | 45.10 | 45.10 | -2.42% | |
| 46.70 | 46.88 | 46.08 | 46.22 | -1.18% | |
| 47.41 | 47.68 | 46.61 | 46.77 | -1.47% | |
| 47.69 | 47.86 | 47.36 | 47.47 | -0.69% | |
| 48.00 | 48.05 | 47.64 | 47.80 | -0.10% | |
| 47.81 | 47.92 | 47.38 | 47.85 | +0.29% | |
| 47.18 | 47.85 | 47.10 | 47.71 | +1.47% | |
| 47.84 | 47.90 | 47.02 | 47.02 | -0.84% | |
| 46.46 | 47.69 | 46.20 | 47.42 | +1.87% | |
| 46.70 | 46.99 | 46.21 | 46.55 | +0.54% | |
| 47.16 | 47.16 | 46.16 | 46.30 | -2.36% | |
| 46.92 | 47.44 | 46.89 | 47.42 | +0.79% | |
| 47.03 | 47.31 | 46.63 | 47.05 | -0.30% | |
| 46.97 | 47.49 | 46.81 | 47.19 | +0.34% | |
| 47.07 | 47.47 | 46.88 | 47.03 | +0.66% | |
| 47.24 | 47.30 | 46.66 | 46.72 | -0.64% | |
| 47.38 | 47.56 | 46.58 | 47.02 | -1.03% | |
| 48.31 | 48.64 | 46.95 | 47.51 | -1.41% | |
| 48.17 | 48.71 | 47.99 | 48.19 | +0.23% | |
| 47.91 | 48.38 | 47.68 | 48.08 | 0.00% | |
| 48.30 | 48.98 | 48.00 | 48.08 | -0.41% | |
| 48.15 | 48.92 | 47.29 | 48.28 | +0.21% | |
| 48.37 | 48.73 | 48.09 | 48.18 | -0.66% | |
| 48.54 | 48.67 | 48.16 | 48.50 | +0.58% | |
| 48.10 | 48.60 | 48.09 | 48.22 | +0.48% | |
| 48.28 | 48.35 | 47.92 | 47.99 | -0.62% | |
| 47.16 | 48.44 | 47.16 | 48.29 | +3.07% | |
| 47.31 | 47.58 | 46.49 | 46.85 | -0.17% | |
| 48.09 | 48.17 | 46.91 | 46.93 | -1.78% | |
| 48.17 | 48.46 | 47.64 | 47.78 | -1.10% | |
| 48.57 | 48.83 | 47.82 | 48.31 | +1.24% | |
| 47.29 | 47.79 | 46.99 | 47.72 | +0.74% | |
| 47.04 | 47.63 | 46.75 | 47.37 | +0.32% | |
| 47.11 | 47.37 | 46.70 | 47.22 | +0.06% | |
| 47.95 | 48.02 | 46.90 | 47.19 | -1.79% | |
| 48.37 | 48.63 | 47.89 | 48.05 | -0.87% | |
| 48.07 | 48.76 | 48.05 | 48.47 | +0.77% | |
| 47.57 | 48.14 | 47.31 | 48.10 | +0.94% | |
| 47.10 | 47.79 | 46.96 | 47.65 | +1.08% | |
| 47.25 | 47.52 | 47.08 | 47.14 | -0.74% | |
| 46.91 | 47.52 | 46.72 | 47.49 | +1.26% | |
| 46.58 | 47.25 | 46.43 | 46.90 | +0.51% | |
| 46.64 | 46.97 | 46.16 | 46.66 | +0.34% | |
| 46.84 | 46.89 | 46.24 | 46.50 | +1.15% | |
| 45.37 | 46.41 | 45.14 | 45.97 | +1.17% | |
| 45.46 | 45.85 | 45.36 | 45.44 | -0.53% | |
| 46.06 | 46.21 | 45.51 | 45.68 | 0.00% | |
| 45.16 | 46.09 | 45.12 | 45.68 | +0.46% | |
| 46.15 | 46.15 | 45.35 | 45.47 | +1.00% | |
| 46.67 | 46.83 | 44.67 | 45.02 | -3.58% | |
| 46.42 | 46.93 | 46.23 | 46.69 | +0.15% | |
| 47.10 | 47.10 | 46.47 | 46.62 | -1.35% | |
| 47.74 | 47.76 | 47.25 | 47.26 | -0.44% | |
| 47.88 | 47.96 | 47.40 | 47.47 | +0.17% | |
| 47.26 | 47.70 | 47.18 | 47.39 | +1.50% | |
| 46.22 | 47.16 | 45.97 | 46.69 | +0.93% | |
| 46.40 | 46.71 | 46.18 | 46.26 | -0.67% | |
| 46.90 | 47.18 | 46.47 | 46.57 | -0.98% | |
| 46.22 | 47.20 | 45.88 | 47.03 | +1.23% | |
| 46.66 | 46.86 | 46.02 | 46.46 | -1.23% | |
| 47.21 | 47.47 | 46.53 | 47.04 | -1.09% | |
| 46.69 | 47.67 | 46.56 | 47.56 | +1.75% | |
| 46.47 | 47.04 | 45.63 | 46.74 | -0.66% | |
| 47.00 | 47.62 | 46.61 | 47.05 | -0.53% | |
| 46.71 | 47.35 | 46.59 | 47.30 | +1.28% | |
| 46.57 | 46.91 | 46.49 | 46.70 | +0.37% | |
| 46.46 | 46.77 | 45.68 | 46.53 | +0.24% | |
| 46.10 | 46.70 | 45.70 | 46.42 | +0.48% | |
| 46.58 | 46.94 | 46.06 | 46.20 | -0.37% | |
| 46.03 | 46.38 | 45.54 | 46.37 | +1.20% | |
| 45.30 | 45.86 | 45.30 | 45.82 | +1.15% | |
| 46.63 | 46.68 | 45.23 | 45.30 | -3.02% | |
| 46.78 | 47.05 | 46.55 | 46.71 | +0.75% | |
| 45.09 | 46.40 | 44.91 | 46.36 | +2.61% | |
| 45.12 | 45.76 | 44.61 | 45.18 | +1.16% | |
| 45.22 | 45.62 | 44.63 | 44.66 | -0.16% | |
| 44.60 | 45.00 | 44.29 | 44.73 | +0.63% | |
| 44.04 | 44.50 | 43.68 | 44.45 | +0.79% | |
| 44.35 | 44.53 | 43.41 | 44.10 | +0.39% | |
| 44.06 | 44.34 | 43.66 | 43.93 | -0.23% | |
| 44.22 | 44.50 | 43.86 | 44.03 | +0.16% | |
| 43.77 | 44.39 | 43.75 | 43.96 | -0.16% | |
| 44.42 | 44.79 | 43.93 | 44.03 | -0.59% | |
| 44.57 | 44.68 | 43.81 | 44.29 | -0.81% | |
| 44.67 | 44.95 | 44.16 | 44.65 | +0.72% | |
| 44.43 | 44.67 | 44.22 | 44.33 | -0.14% | |
| 43.94 | 44.59 | 43.75 | 44.39 | +1.09% | |
| 43.64 | 44.08 | 43.58 | 43.91 | +1.15% | |
| 43.53 | 43.60 | 42.91 | 43.41 | -0.25% | |
| 43.91 | 44.03 | 43.27 | 43.52 | -0.62% | |
| 43.78 | 43.90 | 43.09 | 43.79 | +0.90% | |
| 43.93 | 44.10 | 43.32 | 43.40 | -1.21% | |
| 43.27 | 44.12 | 43.25 | 43.93 | +0.92% | |
| 43.49 | 43.74 | 43.27 | 43.53 | +0.51% | |
| 42.56 | 43.35 | 42.35 | 43.31 | +2.03% | |
| 42.30 | 43.04 | 42.10 | 42.45 | +0.14% | |
| 41.84 | 42.45 | 41.79 | 42.39 | +0.86% | |
| 41.92 | 42.44 | 41.69 | 42.03 | +1.16% | |
| 41.59 | 42.04 | 41.44 | 41.55 | +0.02% | |
| 42.16 | 42.28 | 41.31 | 41.54 | -0.81% | |
| 41.69 | 41.90 | 41.49 | 41.88 | +0.75% | |
| 42.05 | 42.05 | 40.83 | 41.57 | -1.40% | |
| 41.76 | 42.36 | 41.48 | 42.16 | +0.96% | |
| 42.05 | 42.08 | 41.62 | 41.76 | -0.69% | |
| 41.97 | 42.20 | 41.77 | 42.05 | +0.29% | |
| 41.75 | 42.12 | 41.75 | 41.93 | +0.50% | |
| 41.87 | 41.91 | 41.61 | 41.72 | -0.38% | |
| 41.62 | 41.92 | 41.48 | 41.88 | +0.67% | |
| 41.54 | 41.80 | 41.35 | 41.60 | +0.36% | |
| 40.89 | 41.50 | 40.75 | 41.45 | +1.17% | |
| 41.51 | 41.59 | 40.96 | 40.97 | -1.30% | |
| 41.41 | 41.86 | 41.41 | 41.51 | +0.63% | |
| 41.61 | 41.80 | 41.14 | 41.25 | -0.43% | |
| 41.88 | 41.93 | 41.37 | 41.43 | -0.96% | |
| 41.56 | 41.88 | 41.33 | 41.83 | +1.01% | |
| 41.78 | 42.03 | 41.31 | 41.41 | -0.67% | |
| 41.33 | 41.89 | 41.33 | 41.69 | +0.87% | |
| 41.47 | 41.50 | 41.21 | 41.33 | -0.27% | |
| 41.58 | 41.82 | 41.40 | 41.44 | +0.29% | |
| 41.96 | 41.99 | 41.29 | 41.32 | -1.62% | |
| 41.75 | 42.26 | 41.75 | 42.00 | +0.26% | |
| 42.14 | 42.42 | 41.35 | 41.89 | +0.02% | |
| 42.41 | 42.51 | 41.71 | 41.88 | -0.90% | |
| 43.21 | 43.54 | 42.25 | 42.26 | -1.72% | |
| 43.88 | 44.02 | 42.97 | 43.00 | -2.56% | |
| 43.79 | 44.20 | 43.67 | 44.13 | +0.85% | |
| 43.28 | 43.81 | 43.19 | 43.76 | +1.44% | |
| 43.41 | 43.60 | 42.84 | 43.14 | -0.62% | |
| 42.80 | 43.91 | 42.61 | 43.41 | +1.47% | |
| 42.57 | 42.89 | 42.27 | 42.78 | +0.90% | |
| 43.05 | 43.62 | 42.38 | 42.40 | -0.70% | |
| 43.02 | 43.20 | 42.60 | 42.70 | -0.84% | |
| 43.20 | 43.43 | 42.95 | 43.06 | -0.28% | |
| 43.12 | 43.25 | 42.79 | 43.18 | +0.70% | |
| 42.65 | 43.03 | 42.46 | 42.88 | -0.19% | |
| 43.49 | 43.57 | 42.23 | 42.96 | -1.56% | |
| 43.85 | 44.08 | 43.56 | 43.64 | -0.68% | |
| 43.67 | 43.98 | 43.33 | 43.94 | +0.50% | |
| 43.42 | 43.87 | 43.26 | 43.72 | +0.39% | |
| 42.80 | 43.56 | 42.60 | 43.55 | +1.80% | |
| 42.79 | 43.05 | 42.41 | 42.78 | -0.21% | |
| 42.83 | 42.91 | 42.06 | 42.87 | 0.00% | |
| 42.48 | 42.92 | 42.08 | 42.87 | +0.68% | |
| 41.97 | 42.60 | 41.51 | 42.58 | +1.12% | |
| 42.21 | 42.28 | 41.61 | 42.11 | -0.05% | |
| 42.43 | 42.70 | 41.66 | 42.13 | -0.78% | |
| 44.50 | 44.88 | 42.07 | 42.46 | -2.14% | |
| 44.00 | 44.03 | 43.14 | 43.39 | -0.78% | |
| 43.62 | 43.76 | 43.17 | 43.73 | +0.23% | |
| 44.06 | 44.16 | 43.49 | 43.63 | -0.55% | |
| 44.37 | 44.45 | 43.35 | 43.87 | -0.59% | |
| 43.97 | 44.27 | 43.65 | 44.13 | +0.96% | |
| 43.95 | 44.12 | 43.44 | 43.71 | -0.32% | |
| 43.99 | 44.05 | 43.57 | 43.85 | +1.39% | |
| 43.27 | 43.45 | 42.95 | 43.25 | +0.07% | |
| 43.66 | 44.05 | 43.05 | 43.22 | -0.76% | |
| 43.01 | 43.61 | 42.75 | 43.55 | +1.44% | |
| 42.67 | 43.23 | 42.62 | 42.93 | +0.47% | |
| 43.00 | 43.43 | 42.68 | 42.73 | -0.30% | |
| 43.09 | 43.51 | 42.83 | 42.86 | -0.19% | |
| 44.11 | 44.23 | 42.91 | 42.94 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the NI chart for longer ranges.