About NiSource Inc. (NI)
NiSource Inc. is a Utilities - Regulated Gas company operating in the Utilities sector.
NI trades on the US stock exchanges (NYSE/NASDAQ) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $45.47
- Market Cap
- $21.76B
- 52-Week High
- $47.96
- 52-Week Low
- $35.64
- Sector
- Utilities
- Industry
- Utilities - Regulated Gas
$1,000 Invested in NiSource Inc. (NI)
How much would $1,000 invested in NI be worth today?
What would $1,000 invested in NI 1 year ago be worth today?
A $1,000 investment in NiSource Inc. (NI) in 2025 would be worth $1,191 as of May 2026, representing a +19.1% total return.
What would $1,000 invested in NI 3 years ago be worth today?
A $1,000 investment in NiSource Inc. (NI) in 2023 would be worth $1,826 as of May 2026, representing a +82.6% total return.
What would $1,000 invested in NI 5 years ago be worth today?
A $1,000 investment in NiSource Inc. (NI) in 2021 would be worth $2,291 as of May 2026, representing a +129.1% total return.
What would $1,000 invested in NI 10 years ago be worth today?
A $1,000 investment in NiSource Inc. (NI) in 2016 would be worth $2,758 as of May 2026, representing a +175.8% total return.
What would $1,000 invested in NI at IPO be worth today?
A $1,000 investment in NiSource Inc. (NI) at IPO would be worth $58,520 as of May 2026, representing a +5752.0% total return.
Monthly Returns Heatmap
Over the past 53+ years (637 months), NiSource Inc. (NI) has averaged a monthly return of +0.83% with a median return of +0.89%. The stock had 350 positive months (55%) and 261 negative months (41%). The best month in NI's history was March 2000 with a +30.4% return, while the worst was February 2000 at -29.6%. Historically, March tends to be the strongest month (averaging +2.3%), and February the weakest (-0.2%).
NI's longest winning streak was 10 consecutive months of gains, while its longest losing streak was 9 consecutive months of losses. The best full year was 2000 with a cumulative return of +74.1%, and the worst was 1999 at -46.7%.
Annual Returns
Over 53 years of trading history, NiSource Inc. (NI) has delivered an average annual return of +11.44% with a median return of +11.19%. The compound annual growth rate (CAGR) is +8.61%. The stock posted gains in 36 years (68%) and losses in 17 years (32%).
NI's best year was 2000 with a +81.53% gain, while the worst was 1999 at -38.82%. The longest streak of consecutive positive years was 11, and the longest losing streak was 5 years. NI achieved double-digit gains (10%+) in 27 years. It suffered double-digit losses in 11 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +9.63% | $41.48 | $45.47 |
| 2025 | +16.81% | $35.51 | $41.48 |
| 2024 | +43.48% | $24.74 | $35.51 |
| 2023 | +0.48% | $24.63 | $24.74 |
| 2022 | +2.67% | $23.99 | $24.63 |
| 2021 | +24.75% | $19.23 | $23.99 |
| 2020 | -14.87% | $22.59 | $19.23 |
| 2019 | +13.03% | $19.98 | $22.59 |
| 2018 | +1.92% | $19.61 | $19.98 |
| 2017 | +19.28% | $16.44 | $19.61 |
| 2016 | +16.70% | $14.08 | $16.44 |
| 2015 | +20.47% | $11.69 | $14.08 |
| 2014 | +32.57% | $8.82 | $11.69 |
| 2013 | +36.46% | $6.46 | $8.82 |
| 2012 | +8.61% | $5.95 | $6.46 |
| 2011 | +41.44% | $4.21 | $5.95 |
| 2010 | +21.25% | $3.47 | $4.21 |
| 2009 | +51.40% | $2.29 | $3.47 |
| 2008 | -38.55% | $3.73 | $2.29 |
| 2007 | -18.26% | $4.56 | $3.73 |
| 2006 | +20.47% | $3.79 | $4.56 |
| 2005 | -4.74% | $3.98 | $3.79 |
| 2004 | +8.43% | $3.67 | $3.98 |
| 2003 | +16.05% | $3.16 | $3.67 |
| 2002 | -7.95% | $3.43 | $3.16 |
| 2001 | -21.63% | $4.38 | $3.43 |
| 2000 | +81.53% | $2.41 | $4.38 |
| 1999 | -38.82% | $3.94 | $2.41 |
| 1998 | +27.52% | $3.09 | $3.94 |
| 1997 | +30.42% | $2.37 | $3.09 |
| 1996 | +8.36% | $2.19 | $2.37 |
| 1995 | +34.83% | $1.62 | $2.19 |
| 1994 | -5.04% | $1.71 | $1.62 |
| 1993 | +29.51% | $1.32 | $1.71 |
| 1992 | +8.23% | $1.22 | $1.32 |
| 1991 | +44.10% | $0.85 | $1.22 |
| 1990 | +3.44% | $0.82 | $0.85 |
| 1989 | +47.37% | $0.56 | $0.82 |
| 1988 | +72.37% | $0.32 | $0.56 |
| 1987 | -26.50% | $0.44 | $0.32 |
| 1986 | +18.99% | $0.37 | $0.44 |
| 1985 | -3.85% | $0.38 | $0.37 |
| 1984 | -17.44% | $0.46 | $0.38 |
| 1983 | +15.84% | $0.40 | $0.46 |
| 1982 | +14.77% | $0.35 | $0.40 |
| 1981 | -4.35% | $0.36 | $0.35 |
| 1980 | -16.36% | $0.44 | $0.36 |
| 1979 | -12.70% | $0.50 | $0.44 |
| 1978 | -17.65% | $0.61 | $0.50 |
| 1977 | -3.77% | $0.63 | $0.61 |
| 1976 | +11.19% | $0.57 | $0.63 |
| 1975 | +26.55% | $0.45 | $0.57 |
| 1974 | -22.07% | $0.57 | $0.45 |
Frequently Asked Questions: NI
What sector is NI in? ▼
NI operates in the Utilities sector, specifically in the Utilities - Regulated Gas industry.
How has NI performed historically? ▼
Over 53 years of trading history, NI has posted gains in 36 years (68% of the time). The best year was 2000 with a +81.5% return. Past performance does not guarantee future results.
How can I invest in NI? ▼
You can invest in NI through any brokerage account that offers access to US stock exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold NI.
Last updated: 3/24/2026