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NI
NiSource IncStock · UtilitiesS&P 500 Equal Weight 0.2% · S&P 500 0.04% · Russell 1000 0.03% · Russell 3000 0.03% · US Stock Market 0.03% · MSCI ACWI 0.02% · MSCI World 0.02%
$40.58-0.81%
as of market close, Sep 18, 2026
☾ AH — —
PeersCIENNEECEGPCGVSTLNG
Annual returnsBy monthBy weekTrailing

NiSource Inc monthly returns

NiSource Inc has averaged 1.00% per month, positive in 58% of months. Month-by-month returns for NiSource Inc (NI) below, through September 18, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.

Average month
+1.0%
501 months
Best month
+30.4%
Mar 2000
Worst month
-29.6%
Feb 2000
Positive months
58%
of all months

NiSource Inc monthly returns#

NiSource Inc total return by month
MonthTotal return
Sep 2026
-0.8%
Aug 2026
-7.9%
Jul 2026
-6.9%
Jun 2026
+3.9%
May 2026
-4.3%
Apr 2026
+4.1%
Mar 2026
-1.4%
Feb 2026
+7.5%
Jan 2026
+6.1%
Dec 2025
-5.4%
Nov 2025
+4.8%
Oct 2025
-2.1%
Sep 2025
+2.4%
Aug 2025
-0.4%
Jul 2025
+5.9%
Jun 2025
+2.0%
May 2025
+1.1%
Apr 2025
-1.8%
Mar 2025
-1.8%
Feb 2025
+10.2%
Jan 2025
+1.5%
Dec 2024
-3.5%
Nov 2024
+8.3%
Oct 2024
+2.2%
Sep 2024
+4.8%
Aug 2024
+5.8%
Jul 2024
+9.4%
Jun 2024
-0.9%
May 2024
+4.3%
Apr 2024
+1.7%
Mar 2024
+6.1%
Feb 2024
+1.4%
Jan 2024
-2.2%
Dec 2023
+3.5%
Nov 2023
+1.9%
Oct 2023
+3.0%
Sep 2023
-7.8%
Aug 2023
-3.9%
Jul 2023
+2.7%
Jun 2023
+1.7%
May 2023
-5.5%
Apr 2023
+2.7%
Mar 2023
+1.9%
Feb 2023
-0.2%
Jan 2023
+1.2%
Dec 2022
-1.9%
Nov 2022
+8.8%
Oct 2022
+2.9%
Sep 2022
-14.6%
Aug 2022
-2.9%
Jul 2022
+3.9%
Jun 2022
-6.2%
May 2022
+8.0%
Apr 2022
-7.7%
Mar 2022
+9.9%
Feb 2022
-0.1%
Jan 2022
+5.7%
Dec 2021
+12.6%
Nov 2021
-0.6%
Oct 2021
+2.7%
Sep 2021
-1.7%
Aug 2021
-0.5%
Jul 2021
+2.0%
Jun 2021
-3.9%
May 2021
-2.0%
Apr 2021
+8.9%
Mar 2021
+11.6%
Feb 2021
-1.5%
Jan 2021
-3.4%
Dec 2020
-5.2%
Nov 2020
+5.4%
Oct 2020
+5.4%
Sep 2020
-0.7%
Aug 2020
-9.4%
Jul 2020
+8.4%
Jun 2020
-4.6%
May 2020
-5.1%
Apr 2020
+1.4%
Mar 2020
-7.6%
Feb 2020
-7.2%
Jan 2020
+5.3%
Dec 2019
+5.3%
Nov 2019
-5.7%
Oct 2019
-5.6%
Sep 2019
+1.3%
Aug 2019
-0.5%
Jul 2019
+3.8%
Jun 2019
+3.4%
May 2019
+0.3%
Apr 2019
-2.4%
Mar 2019
+6.2%
Feb 2019
-0.4%
Jan 2019
+7.6%
Dec 2018
-4.0%
Nov 2018
+4.2%
Oct 2018
+2.5%
Sep 2018
-7.9%
Aug 2018
+3.4%
Jul 2018
+0.4%
Jun 2018
+3.9%
May 2018
+3.7%
Apr 2018
+2.8%
Mar 2018
+3.4%
Feb 2018
-5.5%
Jan 2018
-3.9%
Dec 2017
-6.8%
Nov 2017
+4.4%
Oct 2017
+3.7%
Sep 2017
-4.8%
Aug 2017
+3.1%
Jul 2017
+3.4%
Jun 2017
-2.7%
May 2017
+7.5%
Apr 2017
+2.7%
Mar 2017
-0.5%
Feb 2017
+7.7%
Jan 2017
+1.0%
Dec 2016
+0.9%
Nov 2016
-5.7%
Oct 2016
-2.8%

Monthly total return (since Oct 2021)#

Methodology#

Monthly returns are total returns (dividends reinvested), computed from NI's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

FAQ#

What is NiSource Inc's average monthly return?
NiSource Inc (NI) has averaged about 1.00% per month, positive in roughly 58% of months. The best month was Mar 2000 (+30.4%) and the worst was Feb 2000 (-29.6%).

More on NiSource Inc

Annual returnsBy weekTrailingDrawdown
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100