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Wall Street Numbers
NiSource Inc. company logo
NiSource Inc. logo

NiSource Inc. (NI) Market Cap

Market Cap

$19.43B

Summary

As of today, NI market cap is $19B
Based on its current market cap, NI falls into the Large Cap category
NI market cap is down -2.74% year-to-date, down -0.71% year-over-year
NI market cap is currently -17.42% below its historical high of $24B set on
NI market cap is +102.82% above its 3-year low of $10B reached on
NI market cap is higher than 72.90% of companies in Utilities sector

Market Cap Chart

SUGGESTED SERIES

Performance

NI Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
Market Cap$19B–-0.3%-14.2%-2.7%-0.7%+76.2%+107.2%
Price$40.52–-0.3%-14.3%-3.0%-2.5%+51.8%+69.5%
Shares Outstanding479.56M+0.0%–––+1.9%+16.1%+22.2%
PE Ratio21.46–-0.2%-8.8%+0.4%-2.9%+15.6%-53.4%
TTM Revenue$6.88B+0.9%–+0.9%–+12.3%+17.6%+48.1%
TTM EPS$1.89-6.0%–-6.0%–+0.3%+31.3%+263.7%
$36.74B–-0.1%-6.6%+1.8%+5.1%+56.6%+98.2%
TTM Dividend$1.18–0.0%+1.7%+5.4%+6.8%+19.8%+35.6%
TTM Net Income$975.80M-6.1%–-6.1%–+1.0%+41.7%+263.7%

Market Cap Highs

NI Market Cap Highs Comparison
PeriodHighDateCurrent
1M$20B-3.3%
3M$24B-17.4%
6M$24B-17.4%
1Y$24B-17.4%
3Y$24B-17.4%
5Y$24B-17.4%
All$24B-17.4%

Market Cap Lows

NI Market Cap Lows Comparison
PeriodLowDateCurrent
1M$19Bat low
3M$19Bat low
6M$19Bat low
1Y$19Bat low
3Y$10B+102.8%
5Y$9B+107.8%
All$237M+8088.2%

Market Cap History

DateValueChange
$19B-2.7%
$20B+15.7%
$17B+45.4%
$12B+5.1%
$11B+1.0%
$11B+24.5%
$9B-15.5%
$11B+12.7%
$9B+9.1%
$9B+20.9%
$7B+14.9%
$6B+18.2%
$5B+30.0%
$4B+33.5%
$3B+15.1%
$3B+36.6%
$2B+15.5%
$2B+41.4%
$1B-41.9%
$2B-21.5%
$3B+16.0%
$2B-7.8%
DateValueChange
$2B+7.0%
$2B+15.8%
$2B+4.0%
$2B-24.3%
$2B+184.8%
$872M-37.3%
$1B+15.2%
$1B+29.7%
$931M-0.7%
$938M+25.5%
$747M-12.1%
$850M+24.2%
$685M+1.5%
$675M+32.1%
$511M-3.3%
$528M+32.1%
$400M+63.4%
$245M-27.6%
$338M+19.2%
$283M-11.7%
$321M-

FAQ

What is the current market cap of NI?
As of today, NI market cap is $19B
What market cap category does NI fall into?
Based on its current market cap, NI falls into the Large Cap category
What is 1-year change in NI market cap?
NI market cap is down -0.71% year-over-year
How far is NI market cap from its all-time high?
NI market cap is currently -17.42% below its historical high of $24B set on June 26, 2026
How does NI market cap rank versus sector peers?
NI market cap is higher than 72.90% of companies in Utilities sector

Market Cap Formula

Market Cap = Price × Shares Outstanding

Data Sources & References

  1. NI Official Website www.nisource.com
  2. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1111711/000111171126000027/0001111711-26-000027-index.htm
  3. NI Profile on Yahoo Finance finance.yahoo.com/quote/NI
  4. NI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ni