CMS Energy (CMS) seasonality heatmap
Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +2.2% | +10.0% | -0.6% | -1.1% | -5.4% | +1.4% | — | — | — | — | — | — |
| 2025 | -1.0% | +11.5% | +2.8% | -1.9% | -3.9% | -1.4% | +6.5% | -2.3% | +2.4% | +0.4% | +3.4% | -7.3% |
| 2024 | -1.6% | +1.3% | +5.2% | +0.5% | +4.7% | -5.4% | +8.9% | +5.5% | +4.1% | -1.5% | +0.9% | -4.4% |
| 2023 | -0.2% | -5.9% | +4.1% | +1.4% | -6.1% | +1.3% | +3.9% | -7.2% | -5.5% | +2.3% | +5.4% | +2.3% |
| 2022 | -1.0% | +0.1% | +9.3% | -1.8% | +4.1% | -5.0% | +1.8% | -1.1% | -13.8% | -2.0% | +7.9% | +3.7% |
| 2021 | -6.8% | -4.1% | +13.1% | +5.2% | -1.9% | -5.8% | +4.6% | +4.5% | -6.9% | +1.0% | -1.8% | +10.5% |
| 2020 | +9.0% | -11.3% | -2.8% | -2.8% | +3.4% | -0.3% | +9.9% | -5.1% | +1.5% | +3.1% | -2.2% | -0.9% |
| 2019 | +5.8% | +4.3% | +2.1% | +0.0% | +1.7% | +3.2% | +0.5% | +9.0% | +1.4% | +0.6% | -4.1% | +2.5% |
| 2018 | -5.4% | -4.3% | +6.7% | +4.2% | -1.5% | +2.5% | +2.2% | +2.7% | -0.5% | +1.1% | +5.9% | -4.7% |
| 2017 | +3.2% | +4.5% | +0.5% | +1.5% | +5.2% | -2.4% | -0.0% | +5.7% | -4.6% | +4.4% | +3.9% | -5.2% |
| 2016 | +7.7% | +2.5% | +7.3% | -4.1% | +3.6% | +9.7% | -1.5% | -6.5% | +0.1% | +0.3% | -3.9% | +3.5% |
| 2015 | +8.6% | -6.2% | -0.6% | -2.8% | +1.5% | -6.7% | +7.6% | -3.5% | +7.8% | +2.1% | -2.2% | +3.1% |
| 2014 | +3.8% | +3.3% | +3.0% | +4.5% | -1.8% | +4.7% | -6.3% | +5.6% | -2.9% | +10.1% | +2.2% | +4.9% |
| 2013 | +5.4% | +4.6% | +5.0% | +7.2% | -9.2% | +0.8% | +4.0% | -5.2% | -0.8% | +5.3% | -3.3% | +0.9% |
| 2012 | -1.1% | -0.9% | +2.8% | +4.5% | +2.4% | +0.9% | +5.0% | -5.5% | +2.1% | +4.3% | +0.4% | -0.2% |
| 2011 | +4.8% | -0.2% | +1.9% | +0.8% | +1.8% | -1.3% | -2.8% | +4.1% | +0.5% | +5.2% | +1.5% | +5.6% |
| 2010 | -3.2% | +1.6% | +1.3% | +5.1% | -8.8% | -0.2% | +8.7% | +10.9% | +3.0% | +2.0% | -1.2% | +3.6% |
| 2009 | +16.3% | -5.0% | +7.2% | +1.5% | -4.7% | +6.4% | +7.2% | +4.6% | +0.0% | -0.8% | +8.0% | +10.1% |
| 2008 | -9.9% | -7.7% | -5.8% | +7.6% | +7.5% | -4.4% | -9.3% | +1.2% | -8.2% | -17.8% | +0.0% | -0.5% |
| 2007 | +0.0% | +4.9% | +2.0% | +4.0% | -1.2% | -5.7% | -6.1% | +1.4% | +3.0% | +0.9% | +3.0% | -0.2% |
| 2006 | -0.4% | -2.7% | -8.0% | +2.9% | -3.6% | +0.9% | +8.3% | +4.5% | -1.4% | +3.1% | +8.9% | +3.0% |
| 2005 | +0.7% | +15.3% | +7.5% | -0.8% | +2.3% | +13.8% | +5.3% | +1.6% | +2.2% | -9.4% | -6.2% | +3.8% |
| 2004 | +3.0% | +4.8% | -2.6% | -7.2% | +3.8% | +5.8% | -1.0% | +6.3% | -1.0% | -1.6% | +8.9% | +2.5% |
| 2003 | -39.9% | -20.5% | -2.0% | +41.0% | +27.3% | +2.3% | -19.8% | +2.6% | +10.5% | +10.3% | -3.0% | +8.0% |
| 2002 | -5.0% | -3.0% | +3.9% | -14.5% | -5.1% | -39.2% | -26.0% | +32.7% | -23.8% | -2.8% | +29.9% | -5.2% |
| 2001 | -6.9% | +1.5% | +0.1% | +5.8% | -4.1% | -6.1% | -4.3% | -10.7% | -14.8% | +7.6% | +8.9% | +4.3% |
| 2000 | -3.8% | -43.3% | +8.3% | +6.8% | +19.7% | -2.7% | +15.5% | +3.6% | +3.1% | +1.6% | +3.0% | +13.9% |
| 1999 | -10.9% | -3.4% | -2.7% | +9.7% | +6.1% | -9.9% | -9.9% | +5.8% | -13.4% | +8.7% | -8.9% | -6.2% |
| 1998 | -2.7% | +4.0% | +6.1% | -6.3% | -0.3% | +1.0% | -4.1% | +1.1% | +3.0% | +1.9% | +10.7% | -0.7% |
| 1997 | +0.4% | -2.3% | +0.5% | -3.5% | +6.9% | +4.7% | +5.9% | -2.9% | +3.0% | -0.5% | +7.9% | +11.8% |
| 1996 | +4.1% | -1.6% | -3.0% | -1.2% | -0.5% | +7.4% | -1.6% | -0.8% | +0.8% | +4.9% | +3.7% | +3.5% |
| 1995 | +2.7% | +3.0% | -2.5% | -0.6% | +4.7% | +1.5% | +2.0% | -0.5% | +6.6% | +5.3% | -0.5% | +9.7% |
| 1994 | -3.5% | -5.5% | -1.1% | -1.1% | +2.6% | -7.7% | +7.2% | +1.3% | -3.2% | +5.7% | -2.4% | +2.9% |
| 1993 | +6.0% | +5.8% | -3.6% | +12.0% | +7.4% | +5.2% | +6.0% | +3.6% | -2.4% | +0.3% | -4.3% | -0.4% |
| 1992 | +6.7% | -2.5% | +11.2% | -28.4% | +6.0% | +0.0% | +4.5% | -3.1% | +8.8% | +0.7% | +4.3% | +1.4% |
| 1991 | +5.5% | +5.9% | -3.2% | -7.1% | -4.5% | -4.3% | -13.8% | -4.1% | -9.0% | -6.5% | +2.2% | +2.1% |
| 1990 | -10.9% | -1.9% | -2.3% | -9.2% | -0.1% | +9.0% | -0.9% | -7.1% | -2.6% | -7.5% | +2.4% | +3.7% |
| 1989 | -1.5% | -1.1% | +5.4% | +13.0% | +2.6% | +6.9% | +12.9% | -2.9% | +3.3% | -2.9% | +1.1% | +10.6% |
| 1988 | +10.4% | +12.4% | +0.0% | +8.3% | +2.0% | +17.6% | -5.7% | +3.6% | +7.7% | +9.8% | -4.5% | +1.5% |
| 1987 | — | — | — | — | — | -1.3% | -9.5% | +3.8% | -8.6% | -11.1% | -7.1% | +2.8% |
| Avg | -0.2% | -0.8% | +2.0% | +1.4% | +1.6% | -0.1% | +0.4% | +1.5% | -1.2% | +1.0% | +2.0% | +2.6% |
| Median | +0.0% | -0.2% | +1.9% | +0.8% | +1.8% | +0.8% | +2.0% | +1.4% | +0.1% | +1.1% | +1.5% | +2.8% |
| Last 5Y Avg | -0.3% | +3.4% | +4.1% | -0.6% | -1.3% | -3.2% | +5.1% | -0.1% | -3.9% | +0.1% | +3.2% | +1.0% |
| Std Dev (σ) | 8.9% | 9.6% | 4.8% | 9.9% | 6.8% | 8.7% | 8.6% | 7.1% | 7.1% | 5.8% | 6.7% | 5.0% |
| Consistency (μ/σ) | -0.03 | -0.08 | 0.41 | 0.14 | 0.24 | -0.01 | 0.05 | 0.21 | -0.18 | 0.17 | 0.30 | 0.51 |
| Win Rate (%) | 49% | 49% | 62% | 54% | 56% | 51% | 56% | 59% | 51% | 69% | 59% | 69% |
| Winning / Losing Months | ▲19▼20 | ▲19▼20 | ▲24▼15 | ▲21▼18 | ▲22▼17 | ▲20▼19 | ▲22▼17 | ▲23▼16 | ▲20▼19 | ▲27▼12 | ▲23▼16 | ▲27▼12 |
| Longest Win / Loss Streak | ▲5▼6 | ▲3▼2 | ▲6▼4 | ▲9▼5 | ▲4▼2 | ▲4▼4 | ▲8▼4 | ▲10▼4 | ▲4▼3 | ▲12▼3 | ▲4▼3 | ▲6▼2 |
| Best | +16.3%in January 2009 | +15.3%in February 2005 | +13.1%in March 2021 | +41.0%in April 2003 | +27.3%in May 2003 | +17.6%in June 1988 | +15.5%in July 2000 | +32.7%in August 2002 | +10.5%in September 2003 | +10.3%in October 2003 | +29.9%in November 2002 | +13.9%in December 2000 |
| Worst | -39.9%in January 2003 | -43.3%in February 2000 | -8.0%in March 2006 | -28.4%in April 1992 | -9.2%in May 2013 | -39.2%in June 2002 | -26.0%in July 2002 | -10.7%in August 2001 | -23.8%in September 2002 | -17.8%in October 2008 | -8.9%in November 1999 | -7.3%in December 2025 |
−43.3%+41.0%
2026
Jan+2.2%
Feb+10.0%
Mar-0.6%
Apr-1.1%
May-5.4%
Jun+1.4%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan-1.0%
Feb+11.5%
Mar+2.8%
Apr-1.9%
May-3.9%
Jun-1.4%
Jul+6.5%
Aug-2.3%
Sep+2.4%
Oct+0.4%
Nov+3.4%
Dec-7.3%
2024
Jan-1.6%
Feb+1.3%
Mar+5.2%
Apr+0.5%
May+4.7%
Jun-5.4%
Jul+8.9%
Aug+5.5%
Sep+4.1%
Oct-1.5%
Nov+0.9%
Dec-4.4%
2023
Jan-0.2%
Feb-5.9%
Mar+4.1%
Apr+1.4%
May-6.1%
Jun+1.3%
Jul+3.9%
Aug-7.2%
Sep-5.5%
Oct+2.3%
Nov+5.4%
Dec+2.3%
2022
Jan-1.0%
Feb+0.1%
Mar+9.3%
Apr-1.8%
May+4.1%
Jun-5.0%
Jul+1.8%
Aug-1.1%
Sep-13.8%
Oct-2.0%
Nov+7.9%
Dec+3.7%
2021
Jan-6.8%
Feb-4.1%
Mar+13.1%
Apr+5.2%
May-1.9%
Jun-5.8%
Jul+4.6%
Aug+4.5%
Sep-6.9%
Oct+1.0%
Nov-1.8%
Dec+10.5%
2020
Jan+9.0%
Feb-11.3%
Mar-2.8%
Apr-2.8%
May+3.4%
Jun-0.3%
Jul+9.9%
Aug-5.1%
Sep+1.5%
Oct+3.1%
Nov-2.2%
Dec-0.9%
2019
Jan+5.8%
Feb+4.3%
Mar+2.1%
Apr+0.0%
May+1.7%
Jun+3.2%
Jul+0.5%
Aug+9.0%
Sep+1.4%
Oct+0.6%
Nov-4.1%
Dec+2.5%
2018
Jan-5.4%
Feb-4.3%
Mar+6.7%
Apr+4.2%
May-1.5%
Jun+2.5%
Jul+2.2%
Aug+2.7%
Sep-0.5%
Oct+1.1%
Nov+5.9%
Dec-4.7%
2017
Jan+3.2%
Feb+4.5%
Mar+0.5%
Apr+1.5%
May+5.2%
Jun-2.4%
Jul-0.0%
Aug+5.7%
Sep-4.6%
Oct+4.4%
Nov+3.9%
Dec-5.2%
2016
Jan+7.7%
Feb+2.5%
Mar+7.3%
Apr-4.1%
May+3.6%
Jun+9.7%
Jul-1.5%
Aug-6.5%
Sep+0.1%
Oct+0.3%
Nov-3.9%
Dec+3.5%
2015
Jan+8.6%
Feb-6.2%
Mar-0.6%
Apr-2.8%
May+1.5%
Jun-6.7%
Jul+7.6%
Aug-3.5%
Sep+7.8%
Oct+2.1%
Nov-2.2%
Dec+3.1%
2014
Jan+3.8%
Feb+3.3%
Mar+3.0%
Apr+4.5%
May-1.8%
Jun+4.7%
Jul-6.3%
Aug+5.6%
Sep-2.9%
Oct+10.1%
Nov+2.2%
Dec+4.9%
2013
Jan+5.4%
Feb+4.6%
Mar+5.0%
Apr+7.2%
May-9.2%
Jun+0.8%
Jul+4.0%
Aug-5.2%
Sep-0.8%
Oct+5.3%
Nov-3.3%
Dec+0.9%
2012
Jan-1.1%
Feb-0.9%
Mar+2.8%
Apr+4.5%
May+2.4%
Jun+0.9%
Jul+5.0%
Aug-5.5%
Sep+2.1%
Oct+4.3%
Nov+0.4%
Dec-0.2%
2011
Jan+4.8%
Feb-0.2%
Mar+1.9%
Apr+0.8%
May+1.8%
Jun-1.3%
Jul-2.8%
Aug+4.1%
Sep+0.5%
Oct+5.2%
Nov+1.5%
Dec+5.6%
2010
Jan-3.2%
Feb+1.6%
Mar+1.3%
Apr+5.1%
May-8.8%
Jun-0.2%
Jul+8.7%
Aug+10.9%
Sep+3.0%
Oct+2.0%
Nov-1.2%
Dec+3.6%
2009
Jan+16.3%
Feb-5.0%
Mar+7.2%
Apr+1.5%
May-4.7%
Jun+6.4%
Jul+7.2%
Aug+4.6%
Sep+0.0%
Oct-0.8%
Nov+8.0%
Dec+10.1%
2008
Jan-9.9%
Feb-7.7%
Mar-5.8%
Apr+7.6%
May+7.5%
Jun-4.4%
Jul-9.3%
Aug+1.2%
Sep-8.2%
Oct-17.8%
Nov+0.0%
Dec-0.5%
2007
Jan+0.0%
Feb+4.9%
Mar+2.0%
Apr+4.0%
May-1.2%
Jun-5.7%
Jul-6.1%
Aug+1.4%
Sep+3.0%
Oct+0.9%
Nov+3.0%
Dec-0.2%
2006
Jan-0.4%
Feb-2.7%
Mar-8.0%
Apr+2.9%
May-3.6%
Jun+0.9%
Jul+8.3%
Aug+4.5%
Sep-1.4%
Oct+3.1%
Nov+8.9%
Dec+3.0%
2005
Jan+0.7%
Feb+15.3%
Mar+7.5%
Apr-0.8%
May+2.3%
Jun+13.8%
Jul+5.3%
Aug+1.6%
Sep+2.2%
Oct-9.4%
Nov-6.2%
Dec+3.8%
2004
Jan+3.0%
Feb+4.8%
Mar-2.6%
Apr-7.2%
May+3.8%
Jun+5.8%
Jul-1.0%
Aug+6.3%
Sep-1.0%
Oct-1.6%
Nov+8.9%
Dec+2.5%
2003
Jan-39.9%
Feb-20.5%
Mar-2.0%
Apr+41.0%
May+27.3%
Jun+2.3%
Jul-19.8%
Aug+2.6%
Sep+10.5%
Oct+10.3%
Nov-3.0%
Dec+8.0%
2002
Jan-5.0%
Feb-3.0%
Mar+3.9%
Apr-14.5%
May-5.1%
Jun-39.2%
Jul-26.0%
Aug+32.7%
Sep-23.8%
Oct-2.8%
Nov+29.9%
Dec-5.2%
2001
Jan-6.9%
Feb+1.5%
Mar+0.1%
Apr+5.8%
May-4.1%
Jun-6.1%
Jul-4.3%
Aug-10.7%
Sep-14.8%
Oct+7.6%
Nov+8.9%
Dec+4.3%
2000
Jan-3.8%
Feb-43.3%
Mar+8.3%
Apr+6.8%
May+19.7%
Jun-2.7%
Jul+15.5%
Aug+3.6%
Sep+3.1%
Oct+1.6%
Nov+3.0%
Dec+13.9%
1999
Jan-10.9%
Feb-3.4%
Mar-2.7%
Apr+9.7%
May+6.1%
Jun-9.9%
Jul-9.9%
Aug+5.8%
Sep-13.4%
Oct+8.7%
Nov-8.9%
Dec-6.2%
1998
Jan-2.7%
Feb+4.0%
Mar+6.1%
Apr-6.3%
May-0.3%
Jun+1.0%
Jul-4.1%
Aug+1.1%
Sep+3.0%
Oct+1.9%
Nov+10.7%
Dec-0.7%
1997
Jan+0.4%
Feb-2.3%
Mar+0.5%
Apr-3.5%
May+6.9%
Jun+4.7%
Jul+5.9%
Aug-2.9%
Sep+3.0%
Oct-0.5%
Nov+7.9%
Dec+11.8%
1996
Jan+4.1%
Feb-1.6%
Mar-3.0%
Apr-1.2%
May-0.5%
Jun+7.4%
Jul-1.6%
Aug-0.8%
Sep+0.8%
Oct+4.9%
Nov+3.7%
Dec+3.5%
1995
Jan+2.7%
Feb+3.0%
Mar-2.5%
Apr-0.6%
May+4.7%
Jun+1.5%
Jul+2.0%
Aug-0.5%
Sep+6.6%
Oct+5.3%
Nov-0.5%
Dec+9.7%
1994
Jan-3.5%
Feb-5.5%
Mar-1.1%
Apr-1.1%
May+2.6%
Jun-7.7%
Jul+7.2%
Aug+1.3%
Sep-3.2%
Oct+5.7%
Nov-2.4%
Dec+2.9%
1993
Jan+6.0%
Feb+5.8%
Mar-3.6%
Apr+12.0%
May+7.4%
Jun+5.2%
Jul+6.0%
Aug+3.6%
Sep-2.4%
Oct+0.3%
Nov-4.3%
Dec-0.4%
1992
Jan+6.7%
Feb-2.5%
Mar+11.2%
Apr-28.4%
May+6.0%
Jun+0.0%
Jul+4.5%
Aug-3.1%
Sep+8.8%
Oct+0.7%
Nov+4.3%
Dec+1.4%
1991
Jan+5.5%
Feb+5.9%
Mar-3.2%
Apr-7.1%
May-4.5%
Jun-4.3%
Jul-13.8%
Aug-4.1%
Sep-9.0%
Oct-6.5%
Nov+2.2%
Dec+2.1%
1990
Jan-10.9%
Feb-1.9%
Mar-2.3%
Apr-9.2%
May-0.1%
Jun+9.0%
Jul-0.9%
Aug-7.1%
Sep-2.6%
Oct-7.5%
Nov+2.4%
Dec+3.7%
1989
Jan-1.5%
Feb-1.1%
Mar+5.4%
Apr+13.0%
May+2.6%
Jun+6.9%
Jul+12.9%
Aug-2.9%
Sep+3.3%
Oct-2.9%
Nov+1.1%
Dec+10.6%
1988
Jan+10.4%
Feb+12.4%
Mar+0.0%
Apr+8.3%
May+2.0%
Jun+17.6%
Jul-5.7%
Aug+3.6%
Sep+7.7%
Oct+9.8%
Nov-4.5%
Dec+1.5%
1987
Jan—
Feb—
Mar—
Apr—
May—
Jun-1.3%
Jul-9.5%
Aug+3.8%
Sep-8.6%
Oct-11.1%
Nov-7.1%
Dec+2.8%
Avg
Jan-0.2%
Feb-0.8%
Mar+2.0%
Apr+1.4%
May+1.6%
Jun-0.1%
Jul+0.4%
Aug+1.5%
Sep-1.2%
Oct+1.0%
Nov+2.0%
Dec+2.6%
Median
Jan+0.0%
Feb-0.2%
Mar+1.9%
Apr+0.8%
May+1.8%
Jun+0.8%
Jul+2.0%
Aug+1.4%
Sep+0.1%
Oct+1.1%
Nov+1.5%
Dec+2.8%
Last 5Y Avg
Jan-0.3%
Feb+3.4%
Mar+4.1%
Apr-0.6%
May-1.3%
Jun-3.2%
Jul+5.1%
Aug-0.1%
Sep-3.9%
Oct+0.1%
Nov+3.2%
Dec+1.0%
Std Dev (σ)
Jan8.9%
Feb9.6%
Mar4.8%
Apr9.9%
May6.8%
Jun8.7%
Jul8.6%
Aug7.1%
Sep7.1%
Oct5.8%
Nov6.7%
Dec5.0%
Consistency (μ/σ)
Jan-0.03
Feb-0.08
Mar0.41
Apr0.14
May0.24
Jun-0.01
Jul0.05
Aug0.21
Sep-0.18
Oct0.17
Nov0.30
Dec0.51
Win Rate (%)
Jan49%
Feb49%
Mar62%
Apr54%
May56%
Jun51%
Jul56%
Aug59%
Sep51%
Oct69%
Nov59%
Dec69%
Winning / Losing Months
Jan▲19▼20
Feb▲19▼20
Mar▲24▼15
Apr▲21▼18
May▲22▼17
Jun▲20▼19
Jul▲22▼17
Aug▲23▼16
Sep▲20▼19
Oct▲27▼12
Nov▲23▼16
Dec▲27▼12
Longest Win / Loss Streak
Jan▲5▼6
Feb▲3▼2
Mar▲6▼4
Apr▲9▼5
May▲4▼2
Jun▲4▼4
Jul▲8▼4
Aug▲10▼4
Sep▲4▼3
Oct▲12▼3
Nov▲4▼3
Dec▲6▼2
Best
Jan+16.3%2009
Feb+15.3%2005
Mar+13.1%2021
Apr+41.0%2003
May+27.3%2003
Jun+17.6%1988
Jul+15.5%2000
Aug+32.7%2002
Sep+10.5%2003
Oct+10.3%2003
Nov+29.9%2002
Dec+13.9%2000
Worst
Jan-39.9%2003
Feb-43.3%2000
Mar-8.0%2006
Apr-28.4%1992
May-9.2%2013
Jun-39.2%2002
Jul-26.0%2002
Aug-10.7%2001
Sep-23.8%2002
Oct-17.8%2008
Nov-8.9%1999
Dec-7.3%2025
−43.3%+41.0%
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