Eversource Energy (ES)
S&P 500 · Utilities · data since 1973-02-21 · last close 2026-09-09
Eversource Energy (ES) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.7 | 10.2 | -8.1 | 2.0 | -2.3 | 5.9 | -0.9 | -2.0 | 0.4 | · | · | · |
| 2025 | 0.4 | 9.2 | -0.2 | -4.2 | 10.3 | -1.8 | 3.9 | -3.1 | 12.3 | 3.8 | -9.0 | 1.4 |
| 2024 | -12.2 | 8.3 | 3.1 | 1.4 | -1.1 | -4.3 | 14.5 | 4.0 | 1.9 | -3.2 | -2.1 | -9.8 |
| 2023 | -1.8 | -8.5 | 4.8 | -0.8 | -10.0 | 2.4 | 2.0 | -11.8 | -7.9 | -7.5 | 10.4 | 5.0 |
| 2022 | -1.6 | -8.6 | 8.7 | -0.9 | 6.4 | -8.5 | 4.4 | 1.7 | -12.4 | -2.1 | 8.6 | 1.9 |
| 2021 | 1.1 | -9.2 | 9.8 | -0.4 | -5.2 | -1.2 | 7.5 | 5.2 | -9.3 | 3.8 | -3.1 | 11.3 |
| 2020 | 8.7 | -6.5 | -9.0 | 3.2 | 4.5 | -0.5 | 8.2 | -4.8 | -1.9 | 4.5 | 0.3 | -0.5 |
| 2019 | 6.7 | 0.6 | 2.4 | 1.0 | 3.8 | 2.6 | 0.1 | 5.6 | 7.3 | -2.0 | -1.3 | 3.6 |
| 2018 | -0.1 | -9.7 | 4.3 | 2.3 | -4.4 | 2.7 | 3.6 | 2.8 | -0.8 | 3.0 | 8.0 | -4.1 |
| 2017 | 0.2 | 6.9 | 0.2 | 1.1 | 5.3 | -2.2 | 0.1 | 3.6 | -3.3 | 3.6 | 3.5 | -1.9 |
| 2016 | 5.3 | 1.8 | 7.4 | -3.3 | -1.3 | 8.4 | -2.4 | -7.7 | 1.2 | 1.6 | -6.3 | 7.9 |
| 2015 | 3.9 | -6.2 | -2.4 | -3.5 | 1.9 | -7.8 | 9.5 | -5.0 | 8.1 | 0.6 | 0.0 | 1.1 |
| 2014 | 3.3 | 2.4 | 2.4 | 3.9 | -3.1 | 4.1 | -7.1 | 4.5 | -2.6 | 11.4 | 2.6 | 6.5 |
| 2013 | 4.2 | 2.8 | 4.7 | 4.3 | -7.3 | 0.8 | 5.7 | -7.8 | 1.6 | 4.0 | -4.2 | 4.1 |
| 2012 | -3.7 | 4.2 | 3.4 | -0.9 | -1.1 | 7.8 | 2.8 | -4.7 | 1.5 | 2.8 | -0.5 | 0.9 |
| 2011 | 3.3 | 4.3 | 1.6 | 2.9 | -0.2 | -0.2 | -3.3 | 2.9 | -3.0 | 2.7 | 0.1 | 5.0 |
| 2010 | -1.8 | 2.1 | 8.0 | 0.5 | -5.7 | -1.8 | 9.3 | 5.0 | 2.1 | 5.8 | 0.2 | 2.5 |
| 2009 | -1.1 | -7.0 | -1.5 | -2.6 | 0.1 | 7.3 | 3.1 | 4.4 | -0.2 | -2.9 | 5.6 | 7.0 |
| 2008 | -11.2 | -8.0 | -3.3 | 7.3 | -0.0 | -2.2 | -1.4 | 7.7 | -4.6 | -12.1 | 4.2 | 3.3 |
| 2007 | -1.8 | 5.7 | 12.8 | -1.8 | -4.9 | -6.7 | -3.6 | 1.9 | 3.3 | 7.9 | 3.1 | -0.9 |
| 2006 | 1.0 | -0.4 | -0.5 | 3.2 | 1.3 | 2.2 | 8.4 | 2.7 | 2.0 | 7.5 | 12.8 | 0.5 |
| 2005 | -0.8 | 0.7 | 3.2 | -5.0 | 9.1 | 5.3 | 3.5 | -6.9 | 0.1 | -8.8 | 3.1 | 6.0 |
| 2004 | -4.6 | 0.7 | -3.1 | -1.6 | 4.9 | 1.9 | -4.0 | 3.4 | 1.1 | -0.3 | -4.8 | 3.4 |
| 2003 | -5.4 | -1.5 | -0.6 | 7.2 | 9.2 | 3.6 | 0.4 | 3.7 | 3.8 | 5.1 | 6.7 | 1.1 |
| 2002 | 2.7 | 2.2 | 8.1 | 0.7 | -0.1 | -5.2 | -11.5 | 6.0 | -3.5 | -10.9 | -3.6 | 5.6 |
| 2001 | -6.9 | -9.2 | -14.8 | 2.7 | 8.4 | 7.8 | -3.6 | -1.9 | -4.0 | -5.8 | -0.7 | 1.3 |
| 2000 | -0.3 | -8.2 | 14.9 | 0.0 | 3.4 | -1.7 | 1.7 | 3.3 | -4.6 | -6.1 | 6.3 | 12.5 |
| 1999 | -4.3 | -2.0 | -7.5 | 14.0 | 11.5 | 1.4 | 4.9 | -6.3 | 4.6 | 13.3 | 2.0 | -2.7 |
| 1998 | 3.7 | 1.5 | 15.1 | -1.3 | 12.8 | 6.3 | -9.6 | -4.5 | 14.5 | -6.7 | 0.8 | 1.6 |
| 1997 | 0.0 | -19.3 | -24.1 | 4.8 | 10.6 | 4.1 | 2.6 | 3.2 | -3.7 | 18.7 | 12.5 | -8.7 |
| 1996 | -2.6 | -4.0 | -11.2 | -19.0 | -6.7 | -7.8 | -7.5 | 5.0 | -2.9 | -13.1 | 12.7 | 10.5 |
| 1995 | 10.4 | -2.9 | -6.6 | 2.4 | 11.9 | -5.8 | 0.0 | 3.6 | 6.6 | 1.5 | -1.8 | 1.6 |
| 1994 | 6.3 | -5.7 | 1.1 | 5.3 | -6.7 | -4.4 | 7.5 | 1.4 | -5.4 | 5.1 | -5.7 | 1.2 |
| 1993 | 2.8 | 3.0 | 0.0 | -0.5 | -1.6 | 0.9 | 0.9 | 2.6 | -3.6 | -0.5 | -8.8 | 1.1 |
| 1992 | 2.1 | 0.2 | -0.5 | 0.0 | 1.8 | 1.1 | 9.9 | 0.2 | 1.9 | -2.8 | 2.2 | 2.9 |
| 1991 | 0.0 | 3.4 | 0.0 | 2.5 | -0.4 | 1.9 | 4.2 | 2.0 | 3.5 | 2.3 | 1.9 | 3.9 |
| 1990 | -3.3 | -2.0 | -0.6 | -4.2 | 0.3 | -0.6 | 1.9 | -4.7 | 0.0 | 7.5 | 2.8 | 0.6 |
| 1989 | 0.6 | -4.1 | 5.3 | 2.5 | 7.1 | 1.8 | 2.3 | -2.0 | -1.2 | 2.4 | 1.4 | 5.3 |
| 1988 | 8.6 | -6.0 | -2.5 | -2.5 | 1.6 | 3.3 | -5.1 | 2.4 | 7.3 | 5.0 | 0.4 | -4.2 |
| 1987 | 12.9 | -7.1 | 3.0 | -8.3 | -2.3 | 1.1 | -2.2 | 1.9 | -1.1 | -5.1 | -2.8 | 1.3 |
| 1986 | 10.6 | 8.4 | 4.2 | -9.2 | 2.8 | 8.8 | 13.3 | 10.9 | -8.4 | 5.6 | 0.7 | -5.4 |
| 1985 | 2.6 | 3.5 | 2.5 | 4.1 | 8.1 | 0.8 | 0.8 | 3.1 | -13.2 | 13.6 | 6.1 | 2.2 |
| 1984 | 6.1 | -9.6 | 0.0 | -5.3 | 0.0 | 2.3 | 2.2 | 3.2 | 10.4 | 4.7 | 3.5 | 1.8 |
| 1983 | 4.1 | 0.0 | -2.0 | 6.1 | -2.9 | -4.9 | 3.1 | -5.0 | 11.6 | 0.9 | -4.7 | -3.9 |
| 1982 | 4.1 | -1.3 | 10.7 | 2.4 | -2.4 | -3.6 | -1.3 | 8.9 | 0.0 | 7.0 | 2.2 | 3.2 |
| 1981 | 7.8 | 0.0 | 2.9 | 1.4 | -2.8 | 0.0 | 1.4 | -2.8 | -4.3 | 3.0 | 5.9 | 1.4 |
| 1980 | -1.4 | -9.7 | -1.5 | 10.9 | 1.4 | 5.6 | -5.3 | -1.4 | -4.2 | -2.9 | -3.0 | 0.0 |
| 1979 | 9.7 | -5.1 | 0.0 | -2.7 | -2.7 | 5.6 | 9.3 | 1.2 | -4.8 | -7.6 | 4.1 | -4.0 |
| 1978 | -2.3 | 0.0 | -2.4 | 0.0 | -3.7 | -2.5 | 2.6 | 2.5 | 0.0 | -4.9 | -2.6 | -4.0 |
| 1977 | 5.8 | -4.3 | 0.0 | 1.1 | 0.0 | 4.5 | 4.3 | -6.2 | 0.0 | -1.1 | -5.6 | 1.2 |
| 1976 | 5.0 | -3.6 | 2.5 | 1.2 | -3.6 | 0.0 | 3.7 | 2.4 | 3.5 | -1.1 | -6.8 | 6.1 |
| 1975 | 33.3 | -8.8 | 1.6 | 6.3 | 3.0 | 15.9 | -7.5 | -2.7 | -1.4 | 11.3 | 2.5 | -1.2 |
| 1974 | 3.3 | 3.2 | -4.1 | -24.7 | -15.7 | -11.9 | 7.7 | -7.1 | -7.7 | 6.3 | -2.0 | 2.0 |
| 1973 | · | -1.6 | -2.5 | 0.8 | -3.4 | 0.9 | -5.2 | -4.6 | 4.8 | -3.7 | -14.3 | 1.1 |
| Avg | 2.2 | -1.8 | 0.7 | 0.1 | 0.7 | 0.8 | 1.7 | 0.4 | -0.1 | 1.2 | 0.8 | 1.7 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
ES seasonality — average by calendar month
Eversource Energy has monthly history back to 1973. Its strongest month by median is October — positive in 31 of 53 years, median +2.3%, and higher in 5 of the last 9. February is the soft spot, down in 32 of 54 with a median of -1.4%. Across its full record it has closed 56% of months higher, swings ±5.9% in an average month and has fallen 65.5% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +2.2% | -1.8% | +0.7% | +0.1% | +0.7% | +0.8% | +1.7% | +0.4% | -0.1% | +1.2% | +0.8% | +1.7% |
| Win rate | 60%/53 | 41%/54 | 50%/54 | 56%/54 | 46%/54 | 57%/54 | 67%/54 | 61%/54 | 43%/53 | 58%/53 | 60%/53 | 74%/53 |
Win rate = share of positive months / sample size.
ES risk & extremes
ES 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 Eversource Energy's best month?+
Eversource Energy's strongest completed month on record is January 1975, at +33.33%.
What was Eversource Energy's worst month?+
Its weakest completed month on record is April 1974, at -24.73%.
Is Eversource Energy up this year?+
Eversource Energy is up 6.98% year to date, measured from its last close before 1 January.
What is Eversource Energy's 1-year return?+
+15.32% 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 Eversource Energy's biggest drawdown?+
The deepest peak-to-trough fall on record is 65.5%, measured on month-end closes since 1973.
Which calendar month is historically best for Eversource Energy?+
January has the highest average return across every completed January since 1973. An average is not a forecast.
About Eversource Energy
Eversource Energy is an S&P 500 company, an utilities business worth about $27 billion. It is what “boring but reliable” looks like on a chart — with price receipts on this site going back to 1973. And the long game: $100 at its first close here (1973) would be about $3,109 today.
Did you know?
- Its best month on record was January 1975 at +33.33%; its worst, April 1974 at -24.73%.
- It has closed December in the green 39 out of 53 times — calendar astrology, but the fun kind.
Trivia for entertainment — the numbers come from our price data; the jokes don't.