F5 (FFIV) 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 | +8.0% | -1.5% | +6.6% | +11.9% | +18.4% | +3.3% | — | — | — | — | — | — |
| 2025 | +18.2% | -1.6% | -8.9% | -0.6% | +7.8% | +3.1% | +6.5% | -0.1% | +3.2% | -21.7% | -5.5% | +6.7% |
| 2024 | +2.6% | +1.9% | +1.3% | -12.8% | +2.2% | +1.9% | +18.2% | -0.2% | +8.4% | +6.2% | +7.0% | +0.4% |
| 2023 | +2.9% | -3.2% | +1.9% | -7.8% | +9.8% | -0.9% | +8.2% | +3.4% | -1.5% | -5.9% | +12.9% | +4.6% |
| 2022 | -15.2% | -3.3% | +4.0% | -19.9% | -2.6% | -6.1% | +9.4% | -6.2% | -7.9% | -1.3% | +8.2% | -7.2% |
| 2021 | +11.4% | -3.0% | +9.8% | -10.5% | -0.7% | +0.7% | +10.6% | -1.4% | -2.4% | +6.2% | +7.8% | +7.5% |
| 2020 | -12.6% | -1.8% | -11.1% | +30.6% | +4.1% | -3.8% | -2.6% | -2.6% | -7.2% | +8.3% | +22.5% | +8.1% |
| 2019 | -0.7% | +4.5% | -6.7% | -0.0% | -15.8% | +10.3% | +0.7% | -12.3% | +9.1% | +2.6% | +1.1% | -4.2% |
| 2018 | +10.2% | +2.8% | -2.6% | +12.8% | +6.1% | -0.4% | -0.6% | +10.4% | +5.4% | -12.1% | -1.9% | -5.8% |
| 2017 | -7.4% | +6.9% | -0.5% | -9.4% | -0.8% | -0.8% | -5.0% | -1.1% | +1.0% | +0.6% | +10.7% | -2.2% |
| 2016 | -3.3% | +2.5% | +10.1% | -1.0% | +5.2% | +3.3% | +8.4% | -0.6% | +1.6% | +10.9% | +1.8% | +2.8% |
| 2015 | -14.4% | +5.8% | -2.7% | +6.2% | +3.0% | -4.2% | +11.5% | -9.5% | -4.6% | -4.8% | -6.5% | -5.9% |
| 2014 | +17.8% | +5.0% | -5.1% | -1.4% | +3.2% | +2.7% | +1.0% | +10.3% | -4.4% | +3.6% | +5.0% | +1.0% |
| 2013 | +8.0% | -10.0% | -5.7% | -14.2% | +8.9% | -17.3% | +27.6% | -5.0% | +2.9% | -5.0% | +0.9% | +10.5% |
| 2012 | +12.8% | +4.4% | +8.0% | -0.8% | -22.7% | -3.8% | -6.2% | +4.4% | +7.3% | -21.1% | +13.4% | +3.7% |
| 2011 | -16.7% | +8.9% | -13.1% | -1.2% | +12.1% | -2.9% | -15.2% | -12.7% | -12.9% | +46.3% | +8.7% | -6.1% |
| 2010 | -6.7% | +12.9% | +10.4% | +11.0% | +2.8% | -2.5% | +28.1% | -0.5% | +18.7% | +13.4% | +12.0% | -1.3% |
| 2009 | -3.0% | -9.8% | +4.8% | +30.2% | +16.5% | +9.0% | +7.3% | -7.1% | +14.9% | +13.3% | +4.8% | +12.6% |
| 2008 | -17.5% | -5.8% | -18.0% | +24.5% | +32.8% | -5.4% | +2.6% | +17.0% | -31.5% | +6.2% | +0.3% | -8.2% |
| 2007 | -3.7% | +1.7% | -8.2% | +15.1% | +5.8% | -0.8% | +7.5% | -19.3% | +6.3% | -3.1% | -26.7% | +7.9% |
| 2006 | +13.0% | +4.9% | +6.9% | -19.2% | -17.1% | +10.2% | -13.4% | +8.1% | +7.2% | +23.2% | +13.0% | -0.8% |
| 2005 | -1.6% | +14.9% | -8.3% | -15.3% | +19.7% | -7.7% | -10.8% | -2.1% | +5.3% | +19.6% | +1.8% | +7.9% |
| 2004 | +35.5% | -2.9% | +2.5% | -24.6% | +16.4% | -10.8% | -1.1% | -6.2% | +23.9% | +31.2% | +7.8% | +13.1% |
| 2003 | +20.7% | +7.9% | -9.6% | +9.0% | +25.7% | -4.0% | +12.9% | +4.6% | -1.9% | +30.0% | +3.2% | -2.8% |
| 2002 | +8.5% | -6.5% | +6.3% | -44.0% | -9.2% | -17.3% | +28.0% | -0.2% | -39.5% | +24.3% | +49.1% | -23.4% |
| 2001 | +78.9% | -59.1% | -23.3% | +40.4% | +49.9% | +56.4% | -16.8% | +8.2% | -41.3% | +62.7% | +47.9% | -3.6% |
| 2000 | -17.5% | -4.3% | -24.7% | -31.1% | -30.9% | +69.1% | -17.2% | +28.4% | -41.4% | -8.8% | -19.7% | -61.8% |
| 1999 | — | — | — | — | — | — | +22.0% | +35.6% | +0.3% | +104.1% | -18.5% | +0.8% |
| Avg | +4.7% | -1.0% | -2.8% | -0.8% | +5.6% | +3.0% | +4.5% | +1.6% | -3.0% | +12.2% | +6.0% | -1.7% |
| Median | +2.6% | +1.7% | -2.6% | -1.0% | +5.2% | -0.9% | +6.5% | -0.5% | +1.0% | +6.2% | +5.0% | +0.4% |
| Last 5Y Avg | +3.3% | -1.5% | +1.0% | -5.8% | +7.1% | -0.3% | +10.6% | -0.9% | -0.0% | -3.3% | +6.1% | +2.4% |
| Std Dev (σ) | 20.0% | 13.2% | 9.9% | 19.6% | 16.7% | 18.9% | 13.3% | 11.8% | 17.1% | 26.5% | 16.3% | 14.3% |
| Consistency (μ/σ) | 0.24 | -0.08 | -0.28 | -0.04 | 0.33 | 0.16 | 0.34 | 0.14 | -0.18 | 0.46 | 0.37 | -0.12 |
| Win Rate (%) | 52% | 52% | 44% | 37% | 70% | 38% | 63% | 37% | 56% | 67% | 78% | 52% |
| Winning / Losing Months | ▲14▼13 | ▲14▼13 | ▲12▼15 | ▲10▼17 | ▲19▼8 | ▲10▼16 | ▲17▼10 | ▲10▼17 | ▲15▼12 | ▲18▼9 | ▲21▼6 | ▲14▼13 |
| Longest Win / Loss Streak | ▲4▼5 | ▲6▼4 | ▲4▼4 | ▲4▼5 | ▲5▼2 | ▲2▼4 | ▲5▼3 | ▲3▼4 | ▲4▼4 | ▲6▼2 | ▲7▼2 | ▲3▼4 |
| Best | +78.9%in January 2001 | +14.9%in February 2005 | +10.4%in March 2010 | +40.4%in April 2001 | +49.9%in May 2001 | +69.1%in June 2000 | +28.1%in July 2010 | +35.6%in August 1999 | +23.9%in September 2004 | +104.1%in October 1999 | +49.1%in November 2002 | +13.1%in December 2004 |
| Worst | -17.5%in January 2000 | -59.1%in February 2001 | -24.7%in March 2000 | -44.0%in April 2002 | -30.9%in May 2000 | -17.3%in June 2013 | -17.2%in July 2000 | -19.3%in August 2007 | -41.4%in September 2000 | -21.7%in October 2025 | -26.7%in November 2007 | -61.8%in December 2000 |
−61.8%+104.1%
2026
Jan+8.0%
Feb-1.5%
Mar+6.6%
Apr+11.9%
May+18.4%
Jun+3.3%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+18.2%
Feb-1.6%
Mar-8.9%
Apr-0.6%
May+7.8%
Jun+3.1%
Jul+6.5%
Aug-0.1%
Sep+3.2%
Oct-21.7%
Nov-5.5%
Dec+6.7%
2024
Jan+2.6%
Feb+1.9%
Mar+1.3%
Apr-12.8%
May+2.2%
Jun+1.9%
Jul+18.2%
Aug-0.2%
Sep+8.4%
Oct+6.2%
Nov+7.0%
Dec+0.4%
2023
Jan+2.9%
Feb-3.2%
Mar+1.9%
Apr-7.8%
May+9.8%
Jun-0.9%
Jul+8.2%
Aug+3.4%
Sep-1.5%
Oct-5.9%
Nov+12.9%
Dec+4.6%
2022
Jan-15.2%
Feb-3.3%
Mar+4.0%
Apr-19.9%
May-2.6%
Jun-6.1%
Jul+9.4%
Aug-6.2%
Sep-7.9%
Oct-1.3%
Nov+8.2%
Dec-7.2%
2021
Jan+11.4%
Feb-3.0%
Mar+9.8%
Apr-10.5%
May-0.7%
Jun+0.7%
Jul+10.6%
Aug-1.4%
Sep-2.4%
Oct+6.2%
Nov+7.8%
Dec+7.5%
2020
Jan-12.6%
Feb-1.8%
Mar-11.1%
Apr+30.6%
May+4.1%
Jun-3.8%
Jul-2.6%
Aug-2.6%
Sep-7.2%
Oct+8.3%
Nov+22.5%
Dec+8.1%
2019
Jan-0.7%
Feb+4.5%
Mar-6.7%
Apr-0.0%
May-15.8%
Jun+10.3%
Jul+0.7%
Aug-12.3%
Sep+9.1%
Oct+2.6%
Nov+1.1%
Dec-4.2%
2018
Jan+10.2%
Feb+2.8%
Mar-2.6%
Apr+12.8%
May+6.1%
Jun-0.4%
Jul-0.6%
Aug+10.4%
Sep+5.4%
Oct-12.1%
Nov-1.9%
Dec-5.8%
2017
Jan-7.4%
Feb+6.9%
Mar-0.5%
Apr-9.4%
May-0.8%
Jun-0.8%
Jul-5.0%
Aug-1.1%
Sep+1.0%
Oct+0.6%
Nov+10.7%
Dec-2.2%
2016
Jan-3.3%
Feb+2.5%
Mar+10.1%
Apr-1.0%
May+5.2%
Jun+3.3%
Jul+8.4%
Aug-0.6%
Sep+1.6%
Oct+10.9%
Nov+1.8%
Dec+2.8%
2015
Jan-14.4%
Feb+5.8%
Mar-2.7%
Apr+6.2%
May+3.0%
Jun-4.2%
Jul+11.5%
Aug-9.5%
Sep-4.6%
Oct-4.8%
Nov-6.5%
Dec-5.9%
2014
Jan+17.8%
Feb+5.0%
Mar-5.1%
Apr-1.4%
May+3.2%
Jun+2.7%
Jul+1.0%
Aug+10.3%
Sep-4.4%
Oct+3.6%
Nov+5.0%
Dec+1.0%
2013
Jan+8.0%
Feb-10.0%
Mar-5.7%
Apr-14.2%
May+8.9%
Jun-17.3%
Jul+27.6%
Aug-5.0%
Sep+2.9%
Oct-5.0%
Nov+0.9%
Dec+10.5%
2012
Jan+12.8%
Feb+4.4%
Mar+8.0%
Apr-0.8%
May-22.7%
Jun-3.8%
Jul-6.2%
Aug+4.4%
Sep+7.3%
Oct-21.1%
Nov+13.4%
Dec+3.7%
2011
Jan-16.7%
Feb+8.9%
Mar-13.1%
Apr-1.2%
May+12.1%
Jun-2.9%
Jul-15.2%
Aug-12.7%
Sep-12.9%
Oct+46.3%
Nov+8.7%
Dec-6.1%
2010
Jan-6.7%
Feb+12.9%
Mar+10.4%
Apr+11.0%
May+2.8%
Jun-2.5%
Jul+28.1%
Aug-0.5%
Sep+18.7%
Oct+13.4%
Nov+12.0%
Dec-1.3%
2009
Jan-3.0%
Feb-9.8%
Mar+4.8%
Apr+30.2%
May+16.5%
Jun+9.0%
Jul+7.3%
Aug-7.1%
Sep+14.9%
Oct+13.3%
Nov+4.8%
Dec+12.6%
2008
Jan-17.5%
Feb-5.8%
Mar-18.0%
Apr+24.5%
May+32.8%
Jun-5.4%
Jul+2.6%
Aug+17.0%
Sep-31.5%
Oct+6.2%
Nov+0.3%
Dec-8.2%
2007
Jan-3.7%
Feb+1.7%
Mar-8.2%
Apr+15.1%
May+5.8%
Jun-0.8%
Jul+7.5%
Aug-19.3%
Sep+6.3%
Oct-3.1%
Nov-26.7%
Dec+7.9%
2006
Jan+13.0%
Feb+4.9%
Mar+6.9%
Apr-19.2%
May-17.1%
Jun+10.2%
Jul-13.4%
Aug+8.1%
Sep+7.2%
Oct+23.2%
Nov+13.0%
Dec-0.8%
2005
Jan-1.6%
Feb+14.9%
Mar-8.3%
Apr-15.3%
May+19.7%
Jun-7.7%
Jul-10.8%
Aug-2.1%
Sep+5.3%
Oct+19.6%
Nov+1.8%
Dec+7.9%
2004
Jan+35.5%
Feb-2.9%
Mar+2.5%
Apr-24.6%
May+16.4%
Jun-10.8%
Jul-1.1%
Aug-6.2%
Sep+23.9%
Oct+31.2%
Nov+7.8%
Dec+13.1%
2003
Jan+20.7%
Feb+7.9%
Mar-9.6%
Apr+9.0%
May+25.7%
Jun-4.0%
Jul+12.9%
Aug+4.6%
Sep-1.9%
Oct+30.0%
Nov+3.2%
Dec-2.8%
2002
Jan+8.5%
Feb-6.5%
Mar+6.3%
Apr-44.0%
May-9.2%
Jun-17.3%
Jul+28.0%
Aug-0.2%
Sep-39.5%
Oct+24.3%
Nov+49.1%
Dec-23.4%
2001
Jan+78.9%
Feb-59.1%
Mar-23.3%
Apr+40.4%
May+49.9%
Jun+56.4%
Jul-16.8%
Aug+8.2%
Sep-41.3%
Oct+62.7%
Nov+47.9%
Dec-3.6%
2000
Jan-17.5%
Feb-4.3%
Mar-24.7%
Apr-31.1%
May-30.9%
Jun+69.1%
Jul-17.2%
Aug+28.4%
Sep-41.4%
Oct-8.8%
Nov-19.7%
Dec-61.8%
1999
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul+22.0%
Aug+35.6%
Sep+0.3%
Oct+104.1%
Nov-18.5%
Dec+0.8%
Avg
Jan+4.7%
Feb-1.0%
Mar-2.8%
Apr-0.8%
May+5.6%
Jun+3.0%
Jul+4.5%
Aug+1.6%
Sep-3.0%
Oct+12.2%
Nov+6.0%
Dec-1.7%
Median
Jan+2.6%
Feb+1.7%
Mar-2.6%
Apr-1.0%
May+5.2%
Jun-0.9%
Jul+6.5%
Aug-0.5%
Sep+1.0%
Oct+6.2%
Nov+5.0%
Dec+0.4%
Last 5Y Avg
Jan+3.3%
Feb-1.5%
Mar+1.0%
Apr-5.8%
May+7.1%
Jun-0.3%
Jul+10.6%
Aug-0.9%
Sep-0.0%
Oct-3.3%
Nov+6.1%
Dec+2.4%
Std Dev (σ)
Jan20.0%
Feb13.2%
Mar9.9%
Apr19.6%
May16.7%
Jun18.9%
Jul13.3%
Aug11.8%
Sep17.1%
Oct26.5%
Nov16.3%
Dec14.3%
Consistency (μ/σ)
Jan0.24
Feb-0.08
Mar-0.28
Apr-0.04
May0.33
Jun0.16
Jul0.34
Aug0.14
Sep-0.18
Oct0.46
Nov0.37
Dec-0.12
Win Rate (%)
Jan52%
Feb52%
Mar44%
Apr37%
May70%
Jun38%
Jul63%
Aug37%
Sep56%
Oct67%
Nov78%
Dec52%
Winning / Losing Months
Jan▲14▼13
Feb▲14▼13
Mar▲12▼15
Apr▲10▼17
May▲19▼8
Jun▲10▼16
Jul▲17▼10
Aug▲10▼17
Sep▲15▼12
Oct▲18▼9
Nov▲21▼6
Dec▲14▼13
Longest Win / Loss Streak
Jan▲4▼5
Feb▲6▼4
Mar▲4▼4
Apr▲4▼5
May▲5▼2
Jun▲2▼4
Jul▲5▼3
Aug▲3▼4
Sep▲4▼4
Oct▲6▼2
Nov▲7▼2
Dec▲3▼4
Best
Jan+78.9%2001
Feb+14.9%2005
Mar+10.4%2010
Apr+40.4%2001
May+49.9%2001
Jun+69.1%2000
Jul+28.1%2010
Aug+35.6%1999
Sep+23.9%2004
Oct+104.1%1999
Nov+49.1%2002
Dec+13.1%2004
Worst
Jan-17.5%2000
Feb-59.1%2001
Mar-24.7%2000
Apr-44.0%2002
May-30.9%2000
Jun-17.3%2013
Jul-17.2%2000
Aug-19.3%2007
Sep-41.4%2000
Oct-21.7%2025
Nov-26.7%2007
Dec-61.8%2000
−61.8%+104.1%
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