General Motors (GM) 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 | +3.3% | -6.3% | -5.1% | +3.2% | +8.3% | -2.1% | — | — | — | — | — | — |
| 2025 | -7.1% | -0.7% | -4.0% | -3.8% | +9.7% | -0.5% | +8.4% | +9.9% | +4.3% | +13.3% | +6.4% | +10.8% |
| 2024 | +8.0% | +5.9% | +10.7% | -1.8% | +1.0% | +3.5% | -4.6% | +12.3% | -9.7% | +13.2% | +9.5% | -4.0% |
| 2023 | +16.9% | -1.5% | -5.1% | -9.9% | -1.9% | +19.3% | -0.5% | -12.4% | -1.6% | -14.5% | +12.3% | +13.7% |
| 2022 | -10.1% | -11.4% | -6.4% | -13.3% | +2.0% | -17.9% | +14.2% | +5.6% | -16.0% | +22.3% | +3.3% | -16.9% |
| 2021 | +21.7% | +1.3% | +11.9% | -0.4% | +3.6% | -0.2% | -3.9% | -13.8% | +7.5% | +3.3% | +6.3% | +1.3% |
| 2020 | -8.8% | -8.7% | -31.0% | +7.2% | +16.1% | -2.2% | -1.6% | +19.1% | -0.1% | +16.7% | +26.9% | -5.0% |
| 2019 | +16.7% | +1.2% | -5.1% | +5.0% | -14.4% | +16.8% | +4.7% | -8.1% | +2.1% | -0.9% | -3.1% | +2.7% |
| 2018 | +3.5% | -7.2% | -6.7% | +1.1% | +16.2% | -6.9% | -3.8% | -4.9% | -5.6% | +8.6% | +3.7% | -10.9% |
| 2017 | +5.1% | +0.6% | -3.1% | -2.0% | -2.1% | +4.1% | +3.0% | +1.6% | +11.6% | +6.4% | +0.3% | -4.0% |
| 2016 | -12.9% | -0.7% | +8.1% | +1.2% | -1.7% | -8.4% | +11.5% | +1.2% | +0.7% | -0.6% | +9.3% | +2.0% |
| 2015 | -6.5% | +14.4% | +1.4% | -6.5% | +2.6% | -6.4% | -5.5% | -6.6% | +3.2% | +16.3% | +3.7% | -5.1% |
| 2014 | -11.7% | +0.3% | -4.1% | +0.2% | +0.3% | +5.9% | -6.8% | +2.9% | -7.4% | -1.7% | +6.5% | +5.3% |
| 2013 | -2.6% | -3.3% | +2.4% | +10.9% | +9.9% | -1.7% | +7.7% | -5.0% | +5.6% | +2.7% | +4.8% | +5.6% |
| 2012 | +18.5% | +8.3% | -1.4% | -10.3% | -3.5% | -11.1% | -0.1% | +8.3% | +6.5% | +12.1% | +1.5% | +11.4% |
| 2011 | -1.0% | -8.1% | -7.5% | +3.4% | -0.9% | -4.6% | -8.8% | -13.2% | -16.0% | +28.1% | -17.7% | -4.7% |
| 2010 | — | — | — | — | — | — | — | — | — | — | — | +7.8% |
| Avg | +2.1% | -1.0% | -2.8% | -1.0% | +2.8% | -0.7% | +0.9% | -0.2% | -1.0% | +8.4% | +4.9% | +0.6% |
| Median | +1.2% | -0.7% | -4.1% | -0.1% | +1.5% | -1.7% | -0.5% | +1.2% | +0.7% | +8.6% | +4.8% | +1.6% |
| Last 5Y Avg | +2.2% | -2.8% | -2.0% | -5.1% | +3.8% | +0.8% | +2.7% | +0.3% | -3.1% | +7.5% | +7.6% | +1.0% |
| Std Dev (σ) | 11.6% | 6.7% | 9.8% | 6.6% | 7.8% | 9.8% | 7.0% | 10.0% | 8.4% | 10.8% | 9.3% | 8.5% |
| Consistency (μ/σ) | 0.18 | -0.15 | -0.29 | -0.15 | 0.36 | -0.07 | 0.13 | -0.02 | -0.12 | 0.78 | 0.53 | 0.07 |
| Win Rate (%) | 50% | 44% | 31% | 50% | 63% | 33% | 40% | 53% | 53% | 73% | 87% | 56% |
| Winning / Losing Months | ▲8▼8 | ▲7▼9 | ▲5▼11 | ▲8▼8 | ▲10▼6 | ▲5▼10 | ▲6▼9 | ▲8▼7 | ▲8▼7 | ▲11▼4 | ▲13▼2 | ▲9▼7 |
| Longest Win / Loss Streak | ▲3▼4 | ▲2▼2 | ▲2▼4 | ▲3▼5 | ▲3▼2 | ▲2▼3 | ▲2▼2 | ▲2▼2 | ▲3▼3 | ▲3▼1 | ▲7▼1 | ▲3▼2 |
| Best | +21.7%in January 2021 | +14.4%in February 2015 | +11.9%in March 2021 | +10.9%in April 2013 | +16.2%in May 2018 | +19.3%in June 2023 | +14.2%in July 2022 | +19.1%in August 2020 | +11.6%in September 2017 | +28.1%in October 2011 | +26.9%in November 2020 | +13.7%in December 2023 |
| Worst | -12.9%in January 2016 | -11.4%in February 2022 | -31.0%in March 2020 | -13.3%in April 2022 | -14.4%in May 2019 | -17.9%in June 2022 | -8.8%in July 2011 | -13.8%in August 2021 | -16.0%in September 2022 | -14.5%in October 2023 | -17.7%in November 2011 | -16.9%in December 2022 |
−31.0%+28.1%
2026
Jan+3.3%
Feb-6.3%
Mar-5.1%
Apr+3.2%
May+8.3%
Jun-2.1%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan-7.1%
Feb-0.7%
Mar-4.0%
Apr-3.8%
May+9.7%
Jun-0.5%
Jul+8.4%
Aug+9.9%
Sep+4.3%
Oct+13.3%
Nov+6.4%
Dec+10.8%
2024
Jan+8.0%
Feb+5.9%
Mar+10.7%
Apr-1.8%
May+1.0%
Jun+3.5%
Jul-4.6%
Aug+12.3%
Sep-9.7%
Oct+13.2%
Nov+9.5%
Dec-4.0%
2023
Jan+16.9%
Feb-1.5%
Mar-5.1%
Apr-9.9%
May-1.9%
Jun+19.3%
Jul-0.5%
Aug-12.4%
Sep-1.6%
Oct-14.5%
Nov+12.3%
Dec+13.7%
2022
Jan-10.1%
Feb-11.4%
Mar-6.4%
Apr-13.3%
May+2.0%
Jun-17.9%
Jul+14.2%
Aug+5.6%
Sep-16.0%
Oct+22.3%
Nov+3.3%
Dec-16.9%
2021
Jan+21.7%
Feb+1.3%
Mar+11.9%
Apr-0.4%
May+3.6%
Jun-0.2%
Jul-3.9%
Aug-13.8%
Sep+7.5%
Oct+3.3%
Nov+6.3%
Dec+1.3%
2020
Jan-8.8%
Feb-8.7%
Mar-31.0%
Apr+7.2%
May+16.1%
Jun-2.2%
Jul-1.6%
Aug+19.1%
Sep-0.1%
Oct+16.7%
Nov+26.9%
Dec-5.0%
2019
Jan+16.7%
Feb+1.2%
Mar-5.1%
Apr+5.0%
May-14.4%
Jun+16.8%
Jul+4.7%
Aug-8.1%
Sep+2.1%
Oct-0.9%
Nov-3.1%
Dec+2.7%
2018
Jan+3.5%
Feb-7.2%
Mar-6.7%
Apr+1.1%
May+16.2%
Jun-6.9%
Jul-3.8%
Aug-4.9%
Sep-5.6%
Oct+8.6%
Nov+3.7%
Dec-10.9%
2017
Jan+5.1%
Feb+0.6%
Mar-3.1%
Apr-2.0%
May-2.1%
Jun+4.1%
Jul+3.0%
Aug+1.6%
Sep+11.6%
Oct+6.4%
Nov+0.3%
Dec-4.0%
2016
Jan-12.9%
Feb-0.7%
Mar+8.1%
Apr+1.2%
May-1.7%
Jun-8.4%
Jul+11.5%
Aug+1.2%
Sep+0.7%
Oct-0.6%
Nov+9.3%
Dec+2.0%
2015
Jan-6.5%
Feb+14.4%
Mar+1.4%
Apr-6.5%
May+2.6%
Jun-6.4%
Jul-5.5%
Aug-6.6%
Sep+3.2%
Oct+16.3%
Nov+3.7%
Dec-5.1%
2014
Jan-11.7%
Feb+0.3%
Mar-4.1%
Apr+0.2%
May+0.3%
Jun+5.9%
Jul-6.8%
Aug+2.9%
Sep-7.4%
Oct-1.7%
Nov+6.5%
Dec+5.3%
2013
Jan-2.6%
Feb-3.3%
Mar+2.4%
Apr+10.9%
May+9.9%
Jun-1.7%
Jul+7.7%
Aug-5.0%
Sep+5.6%
Oct+2.7%
Nov+4.8%
Dec+5.6%
2012
Jan+18.5%
Feb+8.3%
Mar-1.4%
Apr-10.3%
May-3.5%
Jun-11.1%
Jul-0.1%
Aug+8.3%
Sep+6.5%
Oct+12.1%
Nov+1.5%
Dec+11.4%
2011
Jan-1.0%
Feb-8.1%
Mar-7.5%
Apr+3.4%
May-0.9%
Jun-4.6%
Jul-8.8%
Aug-13.2%
Sep-16.0%
Oct+28.1%
Nov-17.7%
Dec-4.7%
2010
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul—
Aug—
Sep—
Oct—
Nov—
Dec+7.8%
Avg
Jan+2.1%
Feb-1.0%
Mar-2.8%
Apr-1.0%
May+2.8%
Jun-0.7%
Jul+0.9%
Aug-0.2%
Sep-1.0%
Oct+8.4%
Nov+4.9%
Dec+0.6%
Median
Jan+1.2%
Feb-0.7%
Mar-4.1%
Apr-0.1%
May+1.5%
Jun-1.7%
Jul-0.5%
Aug+1.2%
Sep+0.7%
Oct+8.6%
Nov+4.8%
Dec+1.6%
Last 5Y Avg
Jan+2.2%
Feb-2.8%
Mar-2.0%
Apr-5.1%
May+3.8%
Jun+0.8%
Jul+2.7%
Aug+0.3%
Sep-3.1%
Oct+7.5%
Nov+7.6%
Dec+1.0%
Std Dev (σ)
Jan11.6%
Feb6.7%
Mar9.8%
Apr6.6%
May7.8%
Jun9.8%
Jul7.0%
Aug10.0%
Sep8.4%
Oct10.8%
Nov9.3%
Dec8.5%
Consistency (μ/σ)
Jan0.18
Feb-0.15
Mar-0.29
Apr-0.15
May0.36
Jun-0.07
Jul0.13
Aug-0.02
Sep-0.12
Oct0.78
Nov0.53
Dec0.07
Win Rate (%)
Jan50%
Feb44%
Mar31%
Apr50%
May63%
Jun33%
Jul40%
Aug53%
Sep53%
Oct73%
Nov87%
Dec56%
Winning / Losing Months
Jan▲8▼8
Feb▲7▼9
Mar▲5▼11
Apr▲8▼8
May▲10▼6
Jun▲5▼10
Jul▲6▼9
Aug▲8▼7
Sep▲8▼7
Oct▲11▼4
Nov▲13▼2
Dec▲9▼7
Longest Win / Loss Streak
Jan▲3▼4
Feb▲2▼2
Mar▲2▼4
Apr▲3▼5
May▲3▼2
Jun▲2▼3
Jul▲2▼2
Aug▲2▼2
Sep▲3▼3
Oct▲3▼1
Nov▲7▼1
Dec▲3▼2
Best
Jan+21.7%2021
Feb+14.4%2015
Mar+11.9%2021
Apr+10.9%2013
May+16.2%2018
Jun+19.3%2023
Jul+14.2%2022
Aug+19.1%2020
Sep+11.6%2017
Oct+28.1%2011
Nov+26.9%2020
Dec+13.7%2023
Worst
Jan-12.9%2016
Feb-11.4%2022
Mar-31.0%2020
Apr-13.3%2022
May-14.4%2019
Jun-17.9%2022
Jul-8.8%2011
Aug-13.8%2021
Sep-16.0%2022
Oct-14.5%2023
Nov-17.7%2011
Dec-16.9%2022
−31.0%+28.1%
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