NiSource Inc.

NI · Utilities

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 .

Sector
Utilities
Industry
Utilities - Regulated Gas

Key Statistics

Current Price
$44.57
Market Cap
$21.38B
52-Week High
$49.21
52-Week Low
$38.42
Sector
Utilities
Industry
Utilities - Regulated Gas

$1,000 Invested in NiSource Inc. (NI)

1 Year
$1,094
+9%
3 Years
$1,915
+92%
5 Years
$2,114
+111%
10 Years
$2,728
+173%
Since IPO
$58,500
+5750%

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 $1,094 as of November 2026, representing a +9.4% 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 $1,915 as of November 2026, representing a +91.5% 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 $2,114 as of November 2026, representing a +111.4% 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 $2,728 as of November 2026, representing a +172.8% 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 $58,500 as of November 2026, representing a +5750.0% total return.

Monthly Returns Heatmap

Avg Monthly Return
+0.83%
Positive Months
353
55% of 644
Negative Months
265
41% of 644
Data Period
53+ years
644 months
Best Performers
Best month ever: Mar 2000 (+30.4%)
Best month on avg: March (+2.4%)
Worst Performers
Worst month ever: Feb 2000 (-29.6%)
Worst month on avg: February (-0.2%)

Over the past 53+ years (644 months), NiSource Inc. (NI) has averaged a monthly return of +0.83% with a median return of +0.87%. The stock had 353 positive months (55%) and 265 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 +2.4%), 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.

Avg Return
+11.44%
Best Year
2000 (+81.53%)
Worst Year
1999 (-38.82%)
Positive Years
36/53
Year Return Start End
2026 +9.59% $40.67 $44.57
2025 +16.81% $34.81 $40.67
2024 +43.48% $24.26 $34.81
2023 +0.48% $24.15 $24.26
2022 +2.67% $23.52 $24.15
2021 +24.75% $18.85 $23.52
2020 -14.88% $22.15 $18.85
2019 +13.03% $19.59 $22.15
2018 +1.92% $19.22 $19.59
2017 +19.28% $16.12 $19.22
2016 +16.70% $13.81 $16.12
2015 +20.47% $11.46 $13.81
2014 +32.57% $8.65 $11.46
2013 +36.46% $6.34 $8.65
2012 +8.61% $5.83 $6.34
2011 +41.44% $4.13 $5.83
2010 +21.25% $3.40 $4.13
2009 +51.40% $2.25 $3.40
2008 -38.55% $3.66 $2.25
2007 -18.26% $4.47 $3.66
2006 +20.47% $3.71 $4.47
2005 -4.74% $3.90 $3.71
2004 +8.43% $3.60 $3.90
2003 +16.05% $3.10 $3.60
2002 -7.95% $3.37 $3.10
2001 -21.63% $4.29 $3.37
2000 +81.53% $2.37 $4.29
1999 -38.82% $3.87 $2.37
1998 +27.52% $3.03 $3.87
1997 +30.42% $2.33 $3.03
1996 +8.36% $2.15 $2.33
1995 +34.83% $1.59 $2.15
1994 -5.04% $1.68 $1.59
1993 +29.51% $1.29 $1.68
1992 +8.23% $1.20 $1.29
1991 +44.10% $0.83 $1.20
1990 +3.44% $0.80 $0.83
1989 +47.37% $0.54 $0.80
1988 +72.37% $0.32 $0.54
1987 -26.50% $0.43 $0.32
1986 +18.99% $0.36 $0.43
1985 -3.85% $0.38 $0.36
1984 -17.44% $0.45 $0.38
1983 +15.84% $0.39 $0.45
1982 +14.77% $0.34 $0.39
1981 -4.35% $0.36 $0.34
1980 -16.36% $0.43 $0.36
1979 -12.70% $0.49 $0.43
1978 -17.65% $0.59 $0.49
1977 -3.77% $0.62 $0.59
1976 +11.19% $0.56 $0.62
1975 +26.55% $0.44 $0.56
1974 -22.07% $0.56 $0.44

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: 11/1/2026