NiSource (NI)
S&P 500 · Utilities · data since 1973-02-21 · last close 2026-09-09
NiSource (NI) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6.1 | 7.5 | -1.4 | 4.1 | -4.3 | 2.9 | -6.6 | -7.9 | 1.8 | · | · | · |
| 2025 | 1.5 | 10.2 | -1.8 | -1.8 | 1.1 | 2.0 | 5.9 | -0.4 | 2.4 | -2.1 | 4.8 | -5.4 |
| 2024 | -2.2 | 1.4 | 6.1 | 1.7 | 4.3 | -0.9 | 9.4 | 5.8 | 4.8 | 2.2 | 8.3 | -3.5 |
| 2023 | 1.2 | -0.2 | 1.9 | 2.7 | -5.5 | 1.7 | 2.7 | -3.9 | -7.8 | 3.0 | 1.9 | 3.5 |
| 2022 | 5.7 | -0.1 | 9.9 | -7.7 | 8.0 | -6.2 | 3.9 | -2.9 | -14.6 | 2.9 | 8.8 | -1.9 |
| 2021 | -3.4 | -1.5 | 11.6 | 8.9 | -2.0 | -3.9 | 2.0 | -0.5 | -1.7 | 2.7 | -0.7 | 12.7 |
| 2020 | 5.3 | -7.2 | -7.6 | 1.4 | -5.1 | -4.6 | 8.4 | -9.4 | -0.7 | 5.4 | 5.3 | -5.2 |
| 2019 | 7.6 | -0.3 | 6.2 | -2.4 | 0.3 | 3.4 | 3.8 | -0.5 | 1.3 | -5.6 | -5.7 | 5.3 |
| 2018 | -3.9 | -5.5 | 3.4 | 2.8 | 3.7 | 3.9 | 0.4 | 3.4 | -7.9 | 2.5 | 4.2 | -4.0 |
| 2017 | 1.0 | 7.7 | -0.5 | 2.7 | 7.5 | -2.7 | 3.4 | 3.1 | -4.8 | 3.7 | 4.4 | -6.8 |
| 2016 | 7.7 | 3.0 | 9.7 | -2.9 | 5.1 | 11.2 | -2.6 | -6.7 | 0.7 | -2.8 | -5.7 | 0.9 |
| 2015 | 2.0 | -0.2 | 2.9 | -1.1 | 8.7 | -3.4 | -1.6 | -3.8 | 10.5 | 4.1 | 0.2 | 1.7 |
| 2014 | 4.5 | 2.1 | 2.0 | 2.9 | 2.9 | 5.3 | -3.6 | 5.3 | 3.3 | 3.3 | -0.5 | 1.4 |
| 2013 | 9.6 | 2.5 | 5.9 | 5.5 | -6.5 | -0.3 | 8.1 | -4.8 | 5.6 | 2.8 | 0.3 | 4.0 |
| 2012 | -4.5 | 6.6 | 1.5 | 2.2 | 1.8 | -1.4 | 4.4 | -4.9 | 4.7 | 0.9 | -5.1 | 3.0 |
| 2011 | 7.0 | 2.9 | 0.1 | 2.6 | 4.4 | -0.3 | 0.5 | 6.1 | 0.1 | 4.4 | 3.7 | 3.9 |
| 2010 | -5.9 | 5.4 | 5.2 | 4.6 | -8.2 | -3.1 | 15.4 | 5.2 | 0.2 | 0.8 | -3.4 | 5.3 |
| 2009 | -9.9 | -9.6 | 12.0 | 14.5 | -2.7 | 9.1 | 12.5 | 2.5 | 5.2 | -5.4 | 10.3 | 7.9 |
| 2008 | 1.6 | -9.3 | 0.3 | 5.1 | 1.1 | -0.9 | -3.4 | -3.5 | -10.4 | -10.7 | -7.0 | -9.0 |
| 2007 | -0.3 | -0.0 | 2.7 | 1.5 | -9.7 | -6.8 | -6.8 | -1.2 | 1.6 | 8.1 | -9.5 | 2.0 |
| 2006 | -0.5 | 0.0 | -1.5 | 5.6 | 3.1 | 0.3 | 5.2 | -7.0 | 2.7 | 8.1 | 6.0 | -2.3 |
| 2005 | 1.6 | -1.1 | 0.7 | 3.0 | 3.7 | 2.6 | -0.8 | -0.6 | 0.5 | -1.5 | -9.0 | -3.1 |
| 2004 | -3.3 | 3.4 | -2.1 | -4.1 | 0.5 | 1.8 | 1.5 | 0.5 | 1.0 | 3.2 | 1.6 | 4.5 |
| 2003 | -9.8 | -4.7 | 7.4 | 5.4 | 3.8 | -3.1 | 3.1 | 0.2 | 3.3 | 4.8 | 0.2 | 5.7 |
| 2002 | -8.5 | 0.9 | 9.3 | -2.4 | 9.6 | -9.9 | -7.9 | 0.5 | -13.4 | -2.5 | 18.0 | 2.6 |
| 2001 | -11.6 | 6.4 | 8.7 | -3.6 | 5.4 | -12.7 | -2.5 | -4.4 | -7.5 | 3.2 | -12.0 | 10.3 |
| 2000 | 4.3 | -29.6 | 30.4 | 11.3 | -2.4 | 3.2 | 5.7 | 23.1 | 1.9 | 3.4 | 3.0 | 19.7 |
| 1999 | -10.1 | -4.4 | 4.1 | 3.7 | 0.7 | -7.6 | 1.5 | -8.4 | -6.8 | -6.2 | -8.2 | -5.0 |
| 1998 | 4.3 | 0.6 | 9.0 | -3.4 | 0.2 | 4.2 | -4.1 | 9.9 | 12.4 | -8.2 | -2.1 | 3.8 |
| 1997 | -0.5 | 2.2 | -1.6 | 1.8 | 2.5 | 2.0 | 3.1 | -3.1 | 3.2 | 5.4 | 6.5 | 5.6 |
| 1996 | 0.8 | -1.0 | -1.3 | -2.6 | 3.8 | 8.1 | -6.1 | -1.0 | -3.4 | 7.2 | 2.3 | 2.3 |
| 1995 | 3.9 | 3.7 | -1.6 | 4.9 | 7.0 | -1.4 | -2.5 | 0.0 | 6.5 | 5.8 | 1.4 | 3.4 |
| 1994 | -1.5 | -5.5 | 0.0 | 5.7 | -2.8 | -4.1 | 0.4 | -1.3 | -5.2 | 3.2 | 4.9 | 1.7 |
| 1993 | 5.5 | 6.3 | 3.0 | 2.3 | 1.2 | 5.2 | -0.5 | 6.2 | -0.4 | 1.0 | -6.6 | 3.5 |
| 1992 | -6.6 | -2.6 | -1.6 | 5.8 | 2.6 | 3.1 | 5.7 | 0.0 | 0.0 | -0.2 | -1.9 | 4.4 |
| 1991 | 0.8 | 5.3 | 0.6 | 6.5 | 2.4 | -4.1 | 7.5 | 5.2 | 7.1 | 5.8 | 0.5 | 0.0 |
| 1990 | -7.0 | 2.1 | -1.4 | -5.6 | 0.8 | 5.2 | 4.4 | -9.7 | 0.0 | 8.4 | 7.9 | 0.0 |
| 1989 | 2.5 | 0.0 | -3.6 | 15.6 | 6.5 | 5.3 | 10.0 | -0.7 | 0.0 | -2.9 | 3.5 | 4.7 |
| 1988 | 22.4 | 2.4 | 2.4 | -2.1 | 8.4 | 1.1 | 0.3 | 1.1 | 5.5 | 15.9 | -1.8 | 2.8 |
| 1987 | 0.0 | -2.1 | 0.0 | -4.3 | 5.7 | 1.1 | -8.5 | 5.8 | -6.6 | -12.7 | -6.8 | 0.0 |
| 1986 | 7.6 | 4.7 | 4.5 | -6.5 | 8.1 | 0.0 | -6.4 | 4.5 | -5.4 | 19.5 | -6.7 | -3.1 |
| 1985 | 4.4 | 1.1 | 3.1 | -0.9 | -6.3 | 9.0 | -2.1 | -2.2 | -1.1 | -5.5 | -11.1 | 9.7 |
| 1984 | -3.4 | -0.9 | -1.8 | 0.0 | -6.4 | 6.8 | -9.1 | 7.0 | 3.7 | 3.7 | 0.9 | -16.8 |
| 1983 | -3.0 | 6.1 | 2.9 | 1.9 | -0.9 | 0.0 | -2.8 | 2.9 | 8.3 | 2.6 | -2.5 | 0.0 |
| 1982 | -2.3 | 2.3 | 0.0 | 0.0 | -1.1 | 2.3 | -3.4 | 15.1 | -2.0 | -3.1 | 3.2 | 4.1 |
| 1981 | -5.4 | 2.3 | 0.0 | -3.4 | -1.2 | 8.2 | -4.3 | 1.1 | -3.4 | 3.5 | -1.1 | 0.0 |
| 1980 | -7.3 | -8.8 | 0.0 | 12.9 | -1.9 | 5.8 | -6.4 | -5.9 | -3.1 | -2.1 | -6.6 | 8.2 |
| 1979 | 3.2 | -5.4 | 4.9 | -5.4 | -1.6 | 4.2 | 0.0 | 3.2 | -5.4 | -13.1 | 9.4 | -5.2 |
| 1978 | -6.5 | 0.0 | -0.7 | -3.5 | 0.7 | 5.8 | -3.4 | -1.4 | -1.4 | -9.5 | 0.0 | 1.6 |
| 1977 | -1.3 | -5.7 | -5.4 | 9.3 | 0.0 | 4.6 | -1.9 | -1.3 | -1.3 | -8.5 | 7.1 | 2.0 |
| 1976 | 4.2 | -6.7 | 7.2 | -6.0 | -7.1 | 8.5 | 0.7 | -0.7 | 11.3 | -6.4 | 4.8 | 3.3 |
| 1975 | 14.2 | -4.7 | -3.3 | -0.8 | 2.5 | 17.4 | -6.3 | -8.3 | -1.6 | 7.5 | 9.3 | 1.4 |
| 1974 | -5.5 | 8.8 | -10.1 | -8.2 | -0.8 | -6.6 | 5.3 | -13.3 | -8.7 | 25.3 | -7.6 | 2.7 |
| 1973 | · | -4.1 | -4.3 | -3.3 | 9.2 | -1.1 | -16.0 | -3.8 | 15.8 | -11.4 | -14.7 | 9.0 |
| Avg | 0.3 | -0.2 | 2.4 | 1.4 | 1.1 | 1.3 | 0.3 | -0.1 | 0.0 | 1.2 | 0.1 | 1.8 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
NI seasonality — average by calendar month
NiSource has monthly history back to 1973. Its strongest month by median is October — positive in 33 of 53 years, median +2.7%, and higher in 7 of the last 9. August is the soft spot, down in 32 of 54 with a median of -0.6%. Across its full record it has closed 55% of months higher, swings ±6.1% in an average month and has fallen 65.7% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.3% | -0.2% | +2.4% | +1.4% | +1.1% | +1.3% | +0.3% | -0.1% | -0.0% | +1.2% | +0.1% | +1.9% |
| Win rate | 51%/53 | 48%/54 | 57%/54 | 56%/54 | 63%/54 | 57%/54 | 52%/54 | 41%/54 | 49%/53 | 62%/53 | 55%/53 | 66%/53 |
Win rate = share of positive months / sample size.
NI risk & extremes
NI drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was NiSource's best month?+
NiSource's strongest completed month on record is March 2000, at +30.43%.
What was NiSource's worst month?+
Its weakest completed month on record is February 2000, at -29.59%.
Is NiSource up this year?+
NiSource is up 1.10% year to date, measured from its last close before 1 January.
What is NiSource's 1-year return?+
+4.97% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is NiSource's biggest drawdown?+
The deepest peak-to-trough fall on record is 65.7%, measured on month-end closes since 1973.
Which calendar month is historically best for NiSource?+
March has the highest average return across every completed March since 1973. An average is not a forecast.
About NiSource
NiSource is an S&P 500 company, an utilities business worth about $20 billion. It keeps the lights on — literally — and pays you a dividend for noticing — with price receipts on this site going back to 1973. And the long game: $100 at its first close here (1973) would be about $5,524 today.
Did you know?
- Its best month on record was March 2000 at +30.43%; its worst, February 2000 at -29.59%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.