NiSource Inc. (NI) stock
NINYSEElectric & Other Services CombinedFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 6/3012% above fair value
$46.05+0.24 (+0.52%)
Close on Nov 13, 2026Market cap $22.09BP/E 23.5Yield 2.43%
NiSource operating margin
Operating margin is operating income as a percentage of revenue.
NiSource's operating margin for the twelve months ending Sep 30, 2026 was 16.6%. For fiscal 2025 it was 28.1%, against 27.6% the year before. The highest annual figure on record is 28.1% in fiscal 2025.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 28.1% | +0.6 |
| FY2024 | Dec 31, 2024 | 27.6% | +3.3 |
| FY2023 | Dec 31, 2023 | 24.2% | +2.2 |
| FY2022 | Dec 31, 2022 | 22.1% | +0.8 |
| FY2021 | Dec 31, 2021 | 21.3% | +9.0 |
| FY2020 | Dec 31, 2020 | 12.3% | −5.3 |
| FY2019 | Dec 31, 2019 | 17.6% | +15.1 |
| FY2018 | Dec 31, 2018 | 2.5% | −17.0 |
| FY2017 | Dec 31, 2017 | 19.5% | −0.2 |
| FY2016 | Dec 31, 2016 | 19.7% | +2.5 |
| FY2015 | Dec 31, 2015 | 17.2% | +2.2 |
| FY2014 | Dec 31, 2014 | 15.0% | −0.1 |
| FY2013 | Dec 31, 2013 | 15.1% | −5.6 |
| FY2012 | Dec 31, 2012 | 20.7% | +4.8 |
| FY2011 | Dec 31, 2011 | 15.9% | +1.9 |
| FY2010 | Dec 31, 2010 | 14.0% | +2.0 |
| FY2009 | Dec 31, 2009 | 12.0% | +1.7 |
| FY2008 | Dec 31, 2008 | 10.3% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 26.2% | +2.2 |
| Q2 FY2026 | Jun 30, 2026 | 17.7% | −3.4 |
| Q1 FY2026 | Mar 31, 2026 | 35.3% | −0.1 |
| Q4 FY2025 | Dec 31, 2025 | 7.9% | +0.0 |
| Q3 FY2025 | Sep 30, 2025 | 24.0% | +3.1 |
| Q2 FY2025 | Jun 30, 2025 | 21.1% | −1.4 |
| Q1 FY2025 | Mar 31, 2025 | 35.3% | −0.2 |
| Q4 FY2024 | Dec 31, 2024 | 7.9% | −20.8 |
| Q3 FY2024 | Sep 30, 2024 | 20.9% | −1.8 |
| Q2 FY2024 | Jun 30, 2024 | 22.5% | +7.0 |
| Q1 FY2024 | Mar 31, 2024 | 35.5% | +8.5 |
| Q4 FY2023 | Dec 31, 2023 | 28.7% | +5.7 |
| Q3 FY2023 | Sep 30, 2023 | 22.7% | +8.3 |
| Q2 FY2023 | Jun 30, 2023 | 15.5% | +3.4 |
| Q1 FY2023 | Mar 31, 2023 | 27.0% | −5.0 |
| Q4 FY2022 | Dec 31, 2022 | 22.9% | +0.0 |
| Q3 FY2022 | Sep 30, 2022 | 14.4% | −0.9 |
| Q2 FY2022 | Jun 30, 2022 | 12.1% | −2.3 |
| Q1 FY2022 | Mar 31, 2022 | 32.0% | +4.0 |
| Q4 FY2021 | Dec 31, 2021 | 22.9% | +1.2 |
| Q3 FY2021 | Sep 30, 2021 | 15.3% | +5.0 |
| Q2 FY2021 | Jun 30, 2021 | 14.4% | +4.9 |
| Q1 FY2021 | Mar 31, 2021 | 28.0% | +18.8 |
| Q4 FY2020 | Dec 31, 2020 | 21.8% | +24.8 |
| Q3 FY2020 | Sep 30, 2020 | 10.3% | +0.5 |
| Q2 FY2020 | Jun 30, 2020 | 9.5% | −36.3 |
| Q1 FY2020 | Mar 31, 2020 | 9.2% | −10.8 |
| Q4 FY2019 | Dec 31, 2019 | -3.1% | +2.8 |
| Q3 FY2019 | Sep 30, 2019 | 9.8% | +45.1 |
| Q2 FY2019 | Jun 30, 2019 | 45.9% | +34.1 |
| Q1 FY2019 | Mar 31, 2019 | 20.0% | −2.9 |
| Q4 FY2018 | Dec 31, 2018 | -5.9% | −25.6 |
| Q3 FY2018 | Sep 30, 2018 | -35.3% | −47.4 |
| Q2 FY2018 | Jun 30, 2018 | 11.8% | −0.8 |
| Q1 FY2018 | Mar 31, 2018 | 22.9% | −3.1 |
| Q4 FY2017 | Dec 31, 2017 | 19.8% | +2.4 |
| Q3 FY2017 | Sep 30, 2017 | 12.1% | – |
| Q2 FY2017 | Jun 30, 2017 | 12.5% | – |
| Q1 FY2017 | Mar 31, 2017 | 26.0% | – |
| Q4 FY2016 | Dec 31, 2016 | 17.3% | – |
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