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NiSource Inc. (NI) Market Cap

Market Cap:

$20.52B-$273.10M(-1.31%)
October 7, 2025

Summary

  • As of today (October 8, 2025), NI market cap is $20.52 billion, with a fall of -$273.10 million (-1.31%) during the most recent trading session on October 7, 2025.
  • Over the past year, NI market cap has increased by +$4.65 billion (+29.27%).
  • NI market cap is now -1.31% below its all-time high of $20.80 billion.

Performance

NI Market Cap Chart

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Highlights

Range

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Market Cap Formula

Market Cap = Price ✕ Shares Outstanding

NI Market Cap Trends

PeriodPeriodMarket CapMarket CapPricePriceShares OutstandingShares OutstandingEnterprise ValueEnterprise Value
1D1 Day-1.3%-1.3%+0.0%-0.8%
1M1 Month+8.1%+8.1%-+4.5%
3M3 Months+10.0%+10.0%-+5.5%
6M6 Months+17.4%+17.3%-+12.0%
YTDYTD+19.9%+18.6%-+16.2%
1Y1 Year+29.3%+28.1%+0.9%+22.4%
5Y5 Years+143.0%+97.7%+22.9%+89.0%

NI Market Cap Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month$21B-1.3%$19B+10.7%
3M3-Month$21B-1.3%$18B+11.8%
6M6-Month$21B-1.3%$17B+17.5%
1Y1-Year$21B-1.3%$16B+30.3%
3Y3-Year$21B-1.3%$10B+114.8%
5Y5-Year$21B-1.3%$8B+148.8%
All-TimeAll-Time$21B-1.3%$237M+8548.7%

NI Market Cap History

DateValue
2025
$21B(+19.9%)
2024
$17B(+44.2%)
2023
$12B(+5.1%)
2022
$11B(+1.0%)
2021
$11B(+24.5%)
2020
$9B(-15.5%)
2019
$11B(+12.7%)
2018
$9B(+9.1%)
2017
$9B(+20.9%)
2016
$7B(+14.9%)
2015
$6B(+18.2%)
2014
$5B(+30.0%)
2013
$4B(+33.5%)
2012
$3B(+15.1%)
2011
$3B(+36.6%)
2010
$2B(+15.5%)
2009
$2B(+41.4%)
2008
$1B(-41.9%)
2007
$2B(-21.5%)
2006
$3B(+16.0%)
2005
$2B(-7.8%)
DateValue
2004
$2B(+7.0%)
2003
$2B(+15.8%)
2002
$2B(+4.4%)
2001
$2B(-24.6%)
2000
$2B(+184.8%)
1999
$872M(-38.0%)
1998
$1B(+16.4%)
1997
$1B(+29.7%)
1996
$931M(-0.7%)
1995
$938M(+25.5%)
1994
$747M(-12.1%)
1993
$850M(+24.2%)
1992
$685M(+1.5%)
1991
$675M(+32.1%)
1990
$511M(-3.3%)
1989
$528M(+32.1%)
1988
$400M(+63.4%)
1987
$245M(-27.6%)
1986
$338M(+19.2%)
1985
$283M(-11.7%)
1984
$321M

FAQ

  • What is NiSource Inc. market cap?
  • What is the all-time high market cap for NiSource Inc.?
  • What is NI market cap year-to-date change?
  • What is NiSource Inc. market cap year-on-year change?

What is NiSource Inc. market cap?

The current market cap of NI is $20.52B

What is the all-time high market cap for NiSource Inc.?

NiSource Inc. all-time high market cap is $20.80B

What is NI market cap year-to-date change?

NiSource Inc. market cap has changed by +$3.40B (+19.85%) since the beginning of the year

What is NiSource Inc. market cap year-on-year change?

Over the past year, NI market cap has changed by +$4.65B (+29.27%)
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