Gartner (IT) 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 | -16.9% | -25.0% | +0.7% | -6.2% | +9.2% | -8.6% | — | — | — | — | — | — |
| 2025 | +12.0% | -8.2% | -15.8% | +0.3% | +3.6% | -7.4% | -16.2% | -25.8% | +4.6% | -5.5% | -6.3% | +8.4% |
| 2024 | +1.4% | +1.8% | +2.4% | -13.4% | +1.7% | +7.0% | +11.6% | -1.8% | +3.0% | -0.8% | +3.1% | -6.5% |
| 2023 | +0.6% | -3.1% | -0.6% | -7.2% | +13.4% | +2.2% | +0.9% | -1.1% | -1.7% | -3.4% | +31.0% | +3.7% |
| 2022 | -12.1% | -4.6% | +6.1% | -2.3% | -9.7% | -7.8% | +9.8% | +7.5% | -3.0% | +9.1% | +16.0% | -4.1% |
| 2021 | -5.2% | +17.9% | +2.0% | +7.3% | +18.4% | +4.5% | +9.3% | +16.6% | -1.6% | +9.2% | -5.9% | +7.1% |
| 2020 | +4.3% | -19.5% | -23.0% | +19.3% | +2.4% | -0.3% | +2.7% | +4.2% | -3.8% | -3.9% | +26.6% | +5.4% |
| 2019 | +6.3% | +4.7% | +6.6% | +4.8% | -4.8% | +6.4% | -13.4% | -4.1% | +7.0% | +7.8% | +4.1% | -4.0% |
| 2018 | +12.7% | -18.3% | +3.7% | +3.1% | +9.4% | +0.1% | +1.9% | +10.6% | +5.8% | -6.9% | +3.8% | -16.5% |
| 2017 | -1.7% | +3.9% | +4.6% | +5.6% | +4.8% | +3.3% | +3.9% | -6.0% | +3.2% | +0.7% | -3.5% | +1.9% |
| 2016 | -3.1% | -6.2% | +8.4% | -2.4% | +16.6% | -4.1% | +2.9% | -9.2% | -2.8% | -2.7% | +19.5% | -1.7% |
| 2015 | +0.0% | -1.3% | +0.9% | -1.0% | +5.4% | -1.9% | +3.3% | -3.5% | -1.8% | +8.0% | +2.9% | -2.8% |
| 2014 | -1.0% | -1.1% | -0.2% | -0.7% | +3.1% | -0.8% | -3.0% | +9.0% | -1.5% | +9.9% | +5.9% | -1.5% |
| 2013 | +11.9% | -3.4% | +9.3% | +6.3% | -2.1% | +0.7% | +5.3% | -3.4% | +3.5% | -1.8% | +9.7% | +9.9% |
| 2012 | +9.0% | +6.2% | +5.9% | +2.7% | -7.1% | +5.8% | +3.1% | +11.3% | -6.7% | +0.7% | +3.2% | -3.9% |
| 2011 | +6.7% | +6.5% | +10.5% | +3.0% | -9.0% | +3.2% | -8.4% | -3.5% | -2.1% | +10.5% | -1.8% | -8.1% |
| 2010 | +18.6% | +11.2% | -6.5% | +8.3% | +2.8% | -6.1% | +8.3% | +13.9% | +2.6% | +7.6% | +1.5% | +3.2% |
| 2009 | -20.6% | -28.6% | +8.9% | +22.7% | +13.6% | -0.6% | +12.1% | -2.6% | +9.7% | +1.9% | +1.6% | -4.7% |
| 2008 | -15.5% | +27.5% | +2.3% | +18.5% | -4.9% | -4.9% | +17.6% | +8.4% | -14.1% | -18.9% | -16.5% | +16.1% |
| 2007 | +10.5% | -3.2% | +13.2% | +5.3% | +9.2% | -10.8% | -14.9% | +5.6% | +10.6% | -10.5% | -13.7% | -7.0% |
| 2006 | +6.7% | +2.3% | -0.9% | +0.5% | +11.6% | -9.3% | +0.3% | +9.5% | +12.8% | +5.7% | +3.7% | +2.6% |
| 2005 | -9.3% | -14.8% | -0.6% | -11.8% | +17.5% | +7.1% | -2.4% | +8.4% | +4.0% | +3.0% | +12.0% | -4.3% |
| 2004 | +0.5% | -0.6% | +3.1% | +2.5% | +2.6% | +7.9% | -5.1% | -4.8% | -2.2% | +1.8% | +0.0% | +4.7% |
| 2003 | -5.7% | -15.7% | -5.1% | +14.2% | -6.3% | +1.9% | +16.0% | +19.2% | +5.2% | +15.7% | +1.3% | -12.5% |
| 2002 | +0.2% | +0.9% | +9.2% | -9.3% | -2.1% | -11.9% | -23.3% | +21.4% | -13.9% | -1.2% | +22.1% | -5.8% |
| 2001 | +17.2% | +4.9% | -20.7% | +18.7% | +13.8% | +20.9% | +0.9% | -10.4% | -9.0% | +0.4% | +9.5% | +17.5% |
| 2000 | +2.0% | -8.0% | +10.1% | -14.3% | -1.4% | -9.8% | +17.8% | -5.3% | -13.1% | -18.3% | -10.5% | -18.7% |
| 1999 | +12.9% | -6.5% | +0.5% | -15.5% | +20.7% | -10.9% | +14.9% | -5.6% | -23.6% | -39.1% | +17.9% | +32.6% |
| 1998 | +0.2% | +6.9% | -6.3% | -11.4% | -0.2% | +5.8% | -12.5% | -24.5% | -9.7% | -4.8% | +9.5% | -2.3% |
| 1997 | -12.0% | -22.6% | -18.4% | +21.4% | +11.0% | +23.4% | -21.1% | -6.8% | +13.5% | -5.8% | +3.1% | +27.9% |
| 1996 | +15.4% | -2.0% | +12.7% | +12.3% | +4.4% | +2.5% | -10.9% | -4.2% | +8.8% | -9.6% | +18.7% | +6.7% |
| 1995 | -1.3% | +7.8% | +3.6% | -3.8% | +15.4% | +21.4% | +6.1% | -7.7% | +15.4% | +33.2% | -0.3% | +10.0% |
| 1994 | +20.4% | +1.2% | -19.0% | +2.7% | +12.1% | +14.1% | +9.9% | +4.3% | +11.1% | +13.7% | +5.0% | +14.7% |
| 1993 | — | — | — | — | — | — | — | — | — | — | +17.2% | +12.2% |
| Avg | +2.0% | -2.7% | +0.2% | +2.4% | +5.3% | +1.6% | +0.9% | +0.6% | +0.3% | +0.2% | +5.8% | +2.4% |
| Median | +0.6% | -1.3% | +2.3% | +2.7% | +4.4% | +1.3% | +2.8% | -2.2% | +0.6% | +0.6% | +3.7% | +1.9% |
| Last 5Y Avg | -3.0% | -7.8% | -1.4% | -5.8% | +3.7% | -0.3% | +3.1% | -0.9% | +0.3% | +1.7% | +7.6% | +1.7% |
| Std Dev (σ) | 10.5% | 12.0% | 9.8% | 10.6% | 8.5% | 9.2% | 11.2% | 11.0% | 9.1% | 12.4% | 11.0% | 11.3% |
| Consistency (μ/σ) | 0.19 | -0.22 | 0.02 | 0.23 | 0.62 | 0.17 | 0.08 | 0.06 | 0.03 | 0.01 | 0.52 | 0.22 |
| Win Rate (%) | 64% | 42% | 64% | 61% | 70% | 56% | 66% | 44% | 50% | 53% | 73% | 52% |
| Winning / Losing Months | ▲21▼12 | ▲14▼19 | ▲21▼12 | ▲20▼13 | ▲23▼10 | ▲18▼14 | ▲21▼11 | ▲14▼18 | ▲16▼16 | ▲17▼15 | ▲24▼9 | ▲17▼16 |
| Longest Win / Loss Streak | ▲5▼2 | ▲3▼4 | ▲5▼2 | ▲8▼3 | ▲5▼3 | ▲5▼5 | ▲5▼3 | ▲4▼7 | ▲4▼5 | ▲4▼5 | ▲5▼2 | ▲5▼3 |
| Best | +20.4%in January 1994 | +27.5%in February 2008 | +13.2%in March 2007 | +22.7%in April 2009 | +20.7%in May 1999 | +23.4%in June 1997 | +17.8%in July 2000 | +21.4%in August 2002 | +15.4%in September 1995 | +33.2%in October 1995 | +31.0%in November 2023 | +32.6%in December 1999 |
| Worst | -20.6%in January 2009 | -28.6%in February 2009 | -23.0%in March 2020 | -15.5%in April 1999 | -9.7%in May 2022 | -11.9%in June 2002 | -23.3%in July 2002 | -25.8%in August 2025 | -23.6%in September 1999 | -39.1%in October 1999 | -16.5%in November 2008 | -18.7%in December 2000 |
−39.1%+33.2%
2026
Jan-16.9%
Feb-25.0%
Mar+0.7%
Apr-6.2%
May+9.2%
Jun-8.6%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+12.0%
Feb-8.2%
Mar-15.8%
Apr+0.3%
May+3.6%
Jun-7.4%
Jul-16.2%
Aug-25.8%
Sep+4.6%
Oct-5.5%
Nov-6.3%
Dec+8.4%
2024
Jan+1.4%
Feb+1.8%
Mar+2.4%
Apr-13.4%
May+1.7%
Jun+7.0%
Jul+11.6%
Aug-1.8%
Sep+3.0%
Oct-0.8%
Nov+3.1%
Dec-6.5%
2023
Jan+0.6%
Feb-3.1%
Mar-0.6%
Apr-7.2%
May+13.4%
Jun+2.2%
Jul+0.9%
Aug-1.1%
Sep-1.7%
Oct-3.4%
Nov+31.0%
Dec+3.7%
2022
Jan-12.1%
Feb-4.6%
Mar+6.1%
Apr-2.3%
May-9.7%
Jun-7.8%
Jul+9.8%
Aug+7.5%
Sep-3.0%
Oct+9.1%
Nov+16.0%
Dec-4.1%
2021
Jan-5.2%
Feb+17.9%
Mar+2.0%
Apr+7.3%
May+18.4%
Jun+4.5%
Jul+9.3%
Aug+16.6%
Sep-1.6%
Oct+9.2%
Nov-5.9%
Dec+7.1%
2020
Jan+4.3%
Feb-19.5%
Mar-23.0%
Apr+19.3%
May+2.4%
Jun-0.3%
Jul+2.7%
Aug+4.2%
Sep-3.8%
Oct-3.9%
Nov+26.6%
Dec+5.4%
2019
Jan+6.3%
Feb+4.7%
Mar+6.6%
Apr+4.8%
May-4.8%
Jun+6.4%
Jul-13.4%
Aug-4.1%
Sep+7.0%
Oct+7.8%
Nov+4.1%
Dec-4.0%
2018
Jan+12.7%
Feb-18.3%
Mar+3.7%
Apr+3.1%
May+9.4%
Jun+0.1%
Jul+1.9%
Aug+10.6%
Sep+5.8%
Oct-6.9%
Nov+3.8%
Dec-16.5%
2017
Jan-1.7%
Feb+3.9%
Mar+4.6%
Apr+5.6%
May+4.8%
Jun+3.3%
Jul+3.9%
Aug-6.0%
Sep+3.2%
Oct+0.7%
Nov-3.5%
Dec+1.9%
2016
Jan-3.1%
Feb-6.2%
Mar+8.4%
Apr-2.4%
May+16.6%
Jun-4.1%
Jul+2.9%
Aug-9.2%
Sep-2.8%
Oct-2.7%
Nov+19.5%
Dec-1.7%
2015
Jan+0.0%
Feb-1.3%
Mar+0.9%
Apr-1.0%
May+5.4%
Jun-1.9%
Jul+3.3%
Aug-3.5%
Sep-1.8%
Oct+8.0%
Nov+2.9%
Dec-2.8%
2014
Jan-1.0%
Feb-1.1%
Mar-0.2%
Apr-0.7%
May+3.1%
Jun-0.8%
Jul-3.0%
Aug+9.0%
Sep-1.5%
Oct+9.9%
Nov+5.9%
Dec-1.5%
2013
Jan+11.9%
Feb-3.4%
Mar+9.3%
Apr+6.3%
May-2.1%
Jun+0.7%
Jul+5.3%
Aug-3.4%
Sep+3.5%
Oct-1.8%
Nov+9.7%
Dec+9.9%
2012
Jan+9.0%
Feb+6.2%
Mar+5.9%
Apr+2.7%
May-7.1%
Jun+5.8%
Jul+3.1%
Aug+11.3%
Sep-6.7%
Oct+0.7%
Nov+3.2%
Dec-3.9%
2011
Jan+6.7%
Feb+6.5%
Mar+10.5%
Apr+3.0%
May-9.0%
Jun+3.2%
Jul-8.4%
Aug-3.5%
Sep-2.1%
Oct+10.5%
Nov-1.8%
Dec-8.1%
2010
Jan+18.6%
Feb+11.2%
Mar-6.5%
Apr+8.3%
May+2.8%
Jun-6.1%
Jul+8.3%
Aug+13.9%
Sep+2.6%
Oct+7.6%
Nov+1.5%
Dec+3.2%
2009
Jan-20.6%
Feb-28.6%
Mar+8.9%
Apr+22.7%
May+13.6%
Jun-0.6%
Jul+12.1%
Aug-2.6%
Sep+9.7%
Oct+1.9%
Nov+1.6%
Dec-4.7%
2008
Jan-15.5%
Feb+27.5%
Mar+2.3%
Apr+18.5%
May-4.9%
Jun-4.9%
Jul+17.6%
Aug+8.4%
Sep-14.1%
Oct-18.9%
Nov-16.5%
Dec+16.1%
2007
Jan+10.5%
Feb-3.2%
Mar+13.2%
Apr+5.3%
May+9.2%
Jun-10.8%
Jul-14.9%
Aug+5.6%
Sep+10.6%
Oct-10.5%
Nov-13.7%
Dec-7.0%
2006
Jan+6.7%
Feb+2.3%
Mar-0.9%
Apr+0.5%
May+11.6%
Jun-9.3%
Jul+0.3%
Aug+9.5%
Sep+12.8%
Oct+5.7%
Nov+3.7%
Dec+2.6%
2005
Jan-9.3%
Feb-14.8%
Mar-0.6%
Apr-11.8%
May+17.5%
Jun+7.1%
Jul-2.4%
Aug+8.4%
Sep+4.0%
Oct+3.0%
Nov+12.0%
Dec-4.3%
2004
Jan+0.5%
Feb-0.6%
Mar+3.1%
Apr+2.5%
May+2.6%
Jun+7.9%
Jul-5.1%
Aug-4.8%
Sep-2.2%
Oct+1.8%
Nov+0.0%
Dec+4.7%
2003
Jan-5.7%
Feb-15.7%
Mar-5.1%
Apr+14.2%
May-6.3%
Jun+1.9%
Jul+16.0%
Aug+19.2%
Sep+5.2%
Oct+15.7%
Nov+1.3%
Dec-12.5%
2002
Jan+0.2%
Feb+0.9%
Mar+9.2%
Apr-9.3%
May-2.1%
Jun-11.9%
Jul-23.3%
Aug+21.4%
Sep-13.9%
Oct-1.2%
Nov+22.1%
Dec-5.8%
2001
Jan+17.2%
Feb+4.9%
Mar-20.7%
Apr+18.7%
May+13.8%
Jun+20.9%
Jul+0.9%
Aug-10.4%
Sep-9.0%
Oct+0.4%
Nov+9.5%
Dec+17.5%
2000
Jan+2.0%
Feb-8.0%
Mar+10.1%
Apr-14.3%
May-1.4%
Jun-9.8%
Jul+17.8%
Aug-5.3%
Sep-13.1%
Oct-18.3%
Nov-10.5%
Dec-18.7%
1999
Jan+12.9%
Feb-6.5%
Mar+0.5%
Apr-15.5%
May+20.7%
Jun-10.9%
Jul+14.9%
Aug-5.6%
Sep-23.6%
Oct-39.1%
Nov+17.9%
Dec+32.6%
1998
Jan+0.2%
Feb+6.9%
Mar-6.3%
Apr-11.4%
May-0.2%
Jun+5.8%
Jul-12.5%
Aug-24.5%
Sep-9.7%
Oct-4.8%
Nov+9.5%
Dec-2.3%
1997
Jan-12.0%
Feb-22.6%
Mar-18.4%
Apr+21.4%
May+11.0%
Jun+23.4%
Jul-21.1%
Aug-6.8%
Sep+13.5%
Oct-5.8%
Nov+3.1%
Dec+27.9%
1996
Jan+15.4%
Feb-2.0%
Mar+12.7%
Apr+12.3%
May+4.4%
Jun+2.5%
Jul-10.9%
Aug-4.2%
Sep+8.8%
Oct-9.6%
Nov+18.7%
Dec+6.7%
1995
Jan-1.3%
Feb+7.8%
Mar+3.6%
Apr-3.8%
May+15.4%
Jun+21.4%
Jul+6.1%
Aug-7.7%
Sep+15.4%
Oct+33.2%
Nov-0.3%
Dec+10.0%
1994
Jan+20.4%
Feb+1.2%
Mar-19.0%
Apr+2.7%
May+12.1%
Jun+14.1%
Jul+9.9%
Aug+4.3%
Sep+11.1%
Oct+13.7%
Nov+5.0%
Dec+14.7%
1993
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul—
Aug—
Sep—
Oct—
Nov+17.2%
Dec+12.2%
Avg
Jan+2.0%
Feb-2.7%
Mar+0.2%
Apr+2.4%
May+5.3%
Jun+1.6%
Jul+0.9%
Aug+0.6%
Sep+0.3%
Oct+0.2%
Nov+5.8%
Dec+2.4%
Median
Jan+0.6%
Feb-1.3%
Mar+2.3%
Apr+2.7%
May+4.4%
Jun+1.3%
Jul+2.8%
Aug-2.2%
Sep+0.6%
Oct+0.6%
Nov+3.7%
Dec+1.9%
Last 5Y Avg
Jan-3.0%
Feb-7.8%
Mar-1.4%
Apr-5.8%
May+3.7%
Jun-0.3%
Jul+3.1%
Aug-0.9%
Sep+0.3%
Oct+1.7%
Nov+7.6%
Dec+1.7%
Std Dev (σ)
Jan10.5%
Feb12.0%
Mar9.8%
Apr10.6%
May8.5%
Jun9.2%
Jul11.2%
Aug11.0%
Sep9.1%
Oct12.4%
Nov11.0%
Dec11.3%
Consistency (μ/σ)
Jan0.19
Feb-0.22
Mar0.02
Apr0.23
May0.62
Jun0.17
Jul0.08
Aug0.06
Sep0.03
Oct0.01
Nov0.52
Dec0.22
Win Rate (%)
Jan64%
Feb42%
Mar64%
Apr61%
May70%
Jun56%
Jul66%
Aug44%
Sep50%
Oct53%
Nov73%
Dec52%
Winning / Losing Months
Jan▲21▼12
Feb▲14▼19
Mar▲21▼12
Apr▲20▼13
May▲23▼10
Jun▲18▼14
Jul▲21▼11
Aug▲14▼18
Sep▲16▼16
Oct▲17▼15
Nov▲24▼9
Dec▲17▼16
Longest Win / Loss Streak
Jan▲5▼2
Feb▲3▼4
Mar▲5▼2
Apr▲8▼3
May▲5▼3
Jun▲5▼5
Jul▲5▼3
Aug▲4▼7
Sep▲4▼5
Oct▲4▼5
Nov▲5▼2
Dec▲5▼3
Best
Jan+20.4%1994
Feb+27.5%2008
Mar+13.2%2007
Apr+22.7%2009
May+20.7%1999
Jun+23.4%1997
Jul+17.8%2000
Aug+21.4%2002
Sep+15.4%1995
Oct+33.2%1995
Nov+31.0%2023
Dec+32.6%1999
Worst
Jan-20.6%2009
Feb-28.6%2009
Mar-23.0%2020
Apr-15.5%1999
May-9.7%2022
Jun-11.9%2002
Jul-23.3%2002
Aug-25.8%2025
Sep-23.6%1999
Oct-39.1%1999
Nov-16.5%2008
Dec-18.7%2000
−39.1%+33.2%
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