STERIS (STE) 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 | +3.6% | -3.7% | -12.4% | -1.9% | -1.9% | -2.4% | — | — | — | — | — | — |
| 2025 | +7.3% | -0.4% | +3.4% | -0.8% | +9.1% | -1.8% | -5.7% | +8.2% | +1.2% | -4.7% | +13.2% | -4.8% |
| 2024 | -0.4% | +6.6% | -3.5% | -9.0% | +9.0% | -1.3% | +8.8% | +1.0% | +0.8% | -8.5% | -1.0% | -6.2% |
| 2023 | +11.8% | -8.7% | +1.7% | -1.4% | +6.1% | +12.8% | +0.3% | +1.8% | -4.2% | -4.3% | -4.1% | +9.4% |
| 2022 | -7.8% | +7.2% | +0.7% | -7.3% | +1.9% | -9.5% | +9.5% | -10.8% | -17.2% | +3.8% | +7.9% | -0.6% |
| 2021 | -1.3% | -6.4% | +9.0% | +10.8% | -9.4% | +8.1% | +5.6% | -1.4% | -4.8% | +14.4% | -6.3% | +11.4% |
| 2020 | -1.1% | +5.5% | -11.8% | +1.8% | +16.4% | -7.3% | +4.0% | +0.3% | +10.4% | +0.6% | +9.6% | -2.2% |
| 2019 | +6.7% | +6.3% | +5.9% | +2.3% | +2.1% | +11.6% | -0.0% | +3.7% | -6.2% | -2.0% | +7.0% | +0.8% |
| 2018 | +4.0% | +0.8% | +2.3% | +1.2% | +9.9% | +1.4% | +9.0% | +0.3% | -0.0% | -4.4% | +9.3% | -10.3% |
| 2017 | +5.1% | -0.6% | -1.0% | +6.2% | +5.1% | +5.4% | +0.4% | +6.9% | +1.4% | +5.6% | -3.3% | -2.8% |
| 2016 | -8.1% | -6.7% | +10.4% | -0.5% | -1.7% | -0.6% | +3.2% | +0.0% | +3.4% | -8.6% | -1.4% | +2.7% |
| 2015 | +0.6% | -0.7% | +8.9% | -5.4% | +0.5% | -3.2% | +7.3% | -7.0% | +1.4% | +15.8% | +1.9% | -1.4% |
| 2014 | -4.5% | +1.0% | +3.5% | +0.6% | +11.4% | +0.3% | -4.9% | +11.1% | -4.1% | +14.5% | +3.5% | +1.7% |
| 2013 | +8.6% | +3.9% | +6.7% | -0.1% | +9.5% | -5.4% | +5.0% | -8.7% | +5.0% | +5.2% | +2.6% | +4.1% |
| 2012 | +0.8% | +4.9% | +0.8% | -0.6% | -4.9% | +5.6% | -3.9% | +14.3% | +3.6% | +0.4% | -3.5% | +1.6% |
| 2011 | -4.5% | -2.4% | +2.0% | +4.3% | +0.1% | -2.6% | +0.0% | -7.5% | -9.0% | +5.9% | -2.3% | -0.8% |
| 2010 | -6.8% | +21.6% | +6.5% | -1.1% | -4.0% | -2.4% | +2.3% | -9.1% | +15.5% | +3.0% | +1.0% | +6.0% |
| 2009 | +11.3% | -13.1% | +1.0% | +3.5% | -1.5% | +10.4% | +7.7% | +3.7% | +4.9% | -3.9% | +17.7% | -13.4% |
| 2008 | -14.1% | -0.4% | +9.0% | +3.3% | +9.4% | -4.9% | +18.8% | +7.9% | +2.2% | -9.4% | -18.6% | -13.6% |
| 2007 | +2.7% | +0.4% | +2.6% | -3.8% | +17.9% | +1.8% | -10.6% | +2.9% | -2.7% | +6.3% | -3.5% | +3.1% |
| 2006 | +7.9% | -8.1% | -0.4% | -6.7% | -1.1% | +0.5% | +1.4% | +2.8% | +1.2% | +1.3% | +5.8% | -2.2% |
| 2005 | +0.0% | +4.4% | +2.0% | -6.2% | +2.4% | +6.5% | +5.4% | -8.1% | -4.6% | -4.1% | +10.3% | -0.4% |
| 2004 | +11.9% | -0.4% | +2.5% | -14.1% | +3.6% | -1.7% | -8.9% | +11.3% | -4.1% | -5.5% | +10.3% | +3.7% |
| 2003 | -3.3% | +7.7% | +3.6% | -13.3% | -0.7% | +2.4% | -0.5% | +1.9% | -1.7% | -9.5% | +11.1% | -2.3% |
| 2002 | +0.7% | +11.6% | +1.6% | +6.2% | -4.5% | -9.6% | +9.3% | +9.3% | +9.1% | +6.5% | -14.3% | +6.7% |
| 2001 | +11.6% | +3.9% | -24.6% | +28.9% | -4.8% | +15.9% | +7.2% | +0.6% | -9.2% | +14.0% | -13.3% | -6.0% |
| 2000 | +2.4% | -7.8% | +5.8% | -12.3% | +0.6% | -2.0% | +1.4% | +14.0% | +17.0% | +25.0% | +0.0% | +7.6% |
| 1999 | +6.0% | +9.1% | -19.0% | -33.4% | -6.7% | +17.0% | -30.7% | -6.5% | +9.5% | -3.2% | -2.4% | -21.1% |
| 1998 | +8.5% | +13.0% | -8.8% | +9.0% | +6.3% | +1.8% | -4.1% | -21.7% | +18.3% | -18.6% | +16.6% | +6.0% |
| 1997 | -31.3% | -15.4% | -3.5% | +34.4% | +11.1% | +2.7% | +3.0% | -2.7% | +9.7% | -3.3% | +18.2% | +2.7% |
| 1996 | +1.5% | +4.6% | -12.4% | +8.4% | +5.4% | -6.5% | -9.4% | +6.1% | +10.2% | +11.4% | -7.3% | +24.3% |
| 1995 | -6.5% | -5.7% | +20.7% | -1.1% | +7.6% | +14.2% | +9.7% | +10.4% | +43.4% | -19.9% | +20.0% | -20.3% |
| 1994 | +26.8% | +16.7% | -15.3% | +19.1% | -26.7% | -5.7% | -5.7% | +23.3% | +17.9% | +5.0% | +11.3% | +21.0% |
| 1993 | +3.4% | -23.3% | +16.2% | -6.1% | +16.3% | +2.8% | +0.0% | +2.7% | +4.1% | +1.1% | -12.6% | +8.7% |
| 1992 | — | — | — | — | — | — | +10.8% | +9.7% | +4.9% | +27.2% | +4.4% | +12.7% |
| Avg | +1.6% | +0.7% | +0.4% | +0.4% | +2.7% | +1.7% | +1.3% | +2.1% | +3.7% | +1.7% | +2.6% | +0.8% |
| Median | +2.0% | +0.6% | +2.0% | -0.6% | +2.2% | +0.5% | +1.9% | +2.3% | +1.8% | +0.9% | +2.2% | +1.2% |
| Last 5Y Avg | +2.9% | +0.2% | -2.0% | -4.1% | +4.8% | +1.7% | +3.7% | -0.2% | -4.8% | +0.1% | +2.0% | +1.9% |
| Std Dev (σ) | 9.6% | 9.1% | 9.6% | 12.0% | 8.6% | 7.2% | 8.7% | 8.8% | 10.7% | 10.6% | 9.8% | 9.8% |
| Consistency (μ/σ) | 0.16 | 0.08 | 0.04 | 0.04 | 0.32 | 0.24 | 0.15 | 0.24 | 0.35 | 0.16 | 0.27 | 0.08 |
| Win Rate (%) | 62% | 53% | 68% | 44% | 65% | 55% | 65% | 71% | 65% | 56% | 56% | 53% |
| Winning / Losing Months | ▲21▼13 | ▲18▼16 | ▲23▼11 | ▲15▼19 | ▲22▼12 | ▲18▼15 | ▲22▼12 | ▲24▼10 | ▲22▼12 | ▲19▼15 | ▲19▼15 | ▲18▼16 |
| Longest Win / Loss Streak | ▲5▼3 | ▲3▼3 | ▲10▼4 | ▲5▼5 | ▲4▼3 | ▲3▼2 | ▲5▼2 | ▲5▼3 | ▲9▼3 | ▲6▼3 | ▲4▼4 | ▲3▼2 |
| Best | +26.8%in January 1994 | +21.6%in February 2010 | +20.7%in March 1995 | +34.4%in April 1997 | +17.9%in May 2007 | +17.0%in June 1999 | +18.8%in July 2008 | +23.3%in August 1994 | +43.4%in September 1995 | +27.2%in October 1992 | +20.0%in November 1995 | +24.3%in December 1996 |
| Worst | -31.3%in January 1997 | -23.3%in February 1993 | -24.6%in March 2001 | -33.4%in April 1999 | -26.7%in May 1994 | -9.6%in June 2002 | -30.7%in July 1999 | -21.7%in August 1998 | -17.2%in September 2022 | -19.9%in October 1995 | -18.6%in November 2008 | -21.1%in December 1999 |
−33.4%+43.4%
2026
Jan+3.6%
Feb-3.7%
Mar-12.4%
Apr-1.9%
May-1.9%
Jun-2.4%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+7.3%
Feb-0.4%
Mar+3.4%
Apr-0.8%
May+9.1%
Jun-1.8%
Jul-5.7%
Aug+8.2%
Sep+1.2%
Oct-4.7%
Nov+13.2%
Dec-4.8%
2024
Jan-0.4%
Feb+6.6%
Mar-3.5%
Apr-9.0%
May+9.0%
Jun-1.3%
Jul+8.8%
Aug+1.0%
Sep+0.8%
Oct-8.5%
Nov-1.0%
Dec-6.2%
2023
Jan+11.8%
Feb-8.7%
Mar+1.7%
Apr-1.4%
May+6.1%
Jun+12.8%
Jul+0.3%
Aug+1.8%
Sep-4.2%
Oct-4.3%
Nov-4.1%
Dec+9.4%
2022
Jan-7.8%
Feb+7.2%
Mar+0.7%
Apr-7.3%
May+1.9%
Jun-9.5%
Jul+9.5%
Aug-10.8%
Sep-17.2%
Oct+3.8%
Nov+7.9%
Dec-0.6%
2021
Jan-1.3%
Feb-6.4%
Mar+9.0%
Apr+10.8%
May-9.4%
Jun+8.1%
Jul+5.6%
Aug-1.4%
Sep-4.8%
Oct+14.4%
Nov-6.3%
Dec+11.4%
2020
Jan-1.1%
Feb+5.5%
Mar-11.8%
Apr+1.8%
May+16.4%
Jun-7.3%
Jul+4.0%
Aug+0.3%
Sep+10.4%
Oct+0.6%
Nov+9.6%
Dec-2.2%
2019
Jan+6.7%
Feb+6.3%
Mar+5.9%
Apr+2.3%
May+2.1%
Jun+11.6%
Jul-0.0%
Aug+3.7%
Sep-6.2%
Oct-2.0%
Nov+7.0%
Dec+0.8%
2018
Jan+4.0%
Feb+0.8%
Mar+2.3%
Apr+1.2%
May+9.9%
Jun+1.4%
Jul+9.0%
Aug+0.3%
Sep-0.0%
Oct-4.4%
Nov+9.3%
Dec-10.3%
2017
Jan+5.1%
Feb-0.6%
Mar-1.0%
Apr+6.2%
May+5.1%
Jun+5.4%
Jul+0.4%
Aug+6.9%
Sep+1.4%
Oct+5.6%
Nov-3.3%
Dec-2.8%
2016
Jan-8.1%
Feb-6.7%
Mar+10.4%
Apr-0.5%
May-1.7%
Jun-0.6%
Jul+3.2%
Aug+0.0%
Sep+3.4%
Oct-8.6%
Nov-1.4%
Dec+2.7%
2015
Jan+0.6%
Feb-0.7%
Mar+8.9%
Apr-5.4%
May+0.5%
Jun-3.2%
Jul+7.3%
Aug-7.0%
Sep+1.4%
Oct+15.8%
Nov+1.9%
Dec-1.4%
2014
Jan-4.5%
Feb+1.0%
Mar+3.5%
Apr+0.6%
May+11.4%
Jun+0.3%
Jul-4.9%
Aug+11.1%
Sep-4.1%
Oct+14.5%
Nov+3.5%
Dec+1.7%
2013
Jan+8.6%
Feb+3.9%
Mar+6.7%
Apr-0.1%
May+9.5%
Jun-5.4%
Jul+5.0%
Aug-8.7%
Sep+5.0%
Oct+5.2%
Nov+2.6%
Dec+4.1%
2012
Jan+0.8%
Feb+4.9%
Mar+0.8%
Apr-0.6%
May-4.9%
Jun+5.6%
Jul-3.9%
Aug+14.3%
Sep+3.6%
Oct+0.4%
Nov-3.5%
Dec+1.6%
2011
Jan-4.5%
Feb-2.4%
Mar+2.0%
Apr+4.3%
May+0.1%
Jun-2.6%
Jul+0.0%
Aug-7.5%
Sep-9.0%
Oct+5.9%
Nov-2.3%
Dec-0.8%
2010
Jan-6.8%
Feb+21.6%
Mar+6.5%
Apr-1.1%
May-4.0%
Jun-2.4%
Jul+2.3%
Aug-9.1%
Sep+15.5%
Oct+3.0%
Nov+1.0%
Dec+6.0%
2009
Jan+11.3%
Feb-13.1%
Mar+1.0%
Apr+3.5%
May-1.5%
Jun+10.4%
Jul+7.7%
Aug+3.7%
Sep+4.9%
Oct-3.9%
Nov+17.7%
Dec-13.4%
2008
Jan-14.1%
Feb-0.4%
Mar+9.0%
Apr+3.3%
May+9.4%
Jun-4.9%
Jul+18.8%
Aug+7.9%
Sep+2.2%
Oct-9.4%
Nov-18.6%
Dec-13.6%
2007
Jan+2.7%
Feb+0.4%
Mar+2.6%
Apr-3.8%
May+17.9%
Jun+1.8%
Jul-10.6%
Aug+2.9%
Sep-2.7%
Oct+6.3%
Nov-3.5%
Dec+3.1%
2006
Jan+7.9%
Feb-8.1%
Mar-0.4%
Apr-6.7%
May-1.1%
Jun+0.5%
Jul+1.4%
Aug+2.8%
Sep+1.2%
Oct+1.3%
Nov+5.8%
Dec-2.2%
2005
Jan+0.0%
Feb+4.4%
Mar+2.0%
Apr-6.2%
May+2.4%
Jun+6.5%
Jul+5.4%
Aug-8.1%
Sep-4.6%
Oct-4.1%
Nov+10.3%
Dec-0.4%
2004
Jan+11.9%
Feb-0.4%
Mar+2.5%
Apr-14.1%
May+3.6%
Jun-1.7%
Jul-8.9%
Aug+11.3%
Sep-4.1%
Oct-5.5%
Nov+10.3%
Dec+3.7%
2003
Jan-3.3%
Feb+7.7%
Mar+3.6%
Apr-13.3%
May-0.7%
Jun+2.4%
Jul-0.5%
Aug+1.9%
Sep-1.7%
Oct-9.5%
Nov+11.1%
Dec-2.3%
2002
Jan+0.7%
Feb+11.6%
Mar+1.6%
Apr+6.2%
May-4.5%
Jun-9.6%
Jul+9.3%
Aug+9.3%
Sep+9.1%
Oct+6.5%
Nov-14.3%
Dec+6.7%
2001
Jan+11.6%
Feb+3.9%
Mar-24.6%
Apr+28.9%
May-4.8%
Jun+15.9%
Jul+7.2%
Aug+0.6%
Sep-9.2%
Oct+14.0%
Nov-13.3%
Dec-6.0%
2000
Jan+2.4%
Feb-7.8%
Mar+5.8%
Apr-12.3%
May+0.6%
Jun-2.0%
Jul+1.4%
Aug+14.0%
Sep+17.0%
Oct+25.0%
Nov+0.0%
Dec+7.6%
1999
Jan+6.0%
Feb+9.1%
Mar-19.0%
Apr-33.4%
May-6.7%
Jun+17.0%
Jul-30.7%
Aug-6.5%
Sep+9.5%
Oct-3.2%
Nov-2.4%
Dec-21.1%
1998
Jan+8.5%
Feb+13.0%
Mar-8.8%
Apr+9.0%
May+6.3%
Jun+1.8%
Jul-4.1%
Aug-21.7%
Sep+18.3%
Oct-18.6%
Nov+16.6%
Dec+6.0%
1997
Jan-31.3%
Feb-15.4%
Mar-3.5%
Apr+34.4%
May+11.1%
Jun+2.7%
Jul+3.0%
Aug-2.7%
Sep+9.7%
Oct-3.3%
Nov+18.2%
Dec+2.7%
1996
Jan+1.5%
Feb+4.6%
Mar-12.4%
Apr+8.4%
May+5.4%
Jun-6.5%
Jul-9.4%
Aug+6.1%
Sep+10.2%
Oct+11.4%
Nov-7.3%
Dec+24.3%
1995
Jan-6.5%
Feb-5.7%
Mar+20.7%
Apr-1.1%
May+7.6%
Jun+14.2%
Jul+9.7%
Aug+10.4%
Sep+43.4%
Oct-19.9%
Nov+20.0%
Dec-20.3%
1994
Jan+26.8%
Feb+16.7%
Mar-15.3%
Apr+19.1%
May-26.7%
Jun-5.7%
Jul-5.7%
Aug+23.3%
Sep+17.9%
Oct+5.0%
Nov+11.3%
Dec+21.0%
1993
Jan+3.4%
Feb-23.3%
Mar+16.2%
Apr-6.1%
May+16.3%
Jun+2.8%
Jul+0.0%
Aug+2.7%
Sep+4.1%
Oct+1.1%
Nov-12.6%
Dec+8.7%
1992
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul+10.8%
Aug+9.7%
Sep+4.9%
Oct+27.2%
Nov+4.4%
Dec+12.7%
Avg
Jan+1.6%
Feb+0.7%
Mar+0.4%
Apr+0.4%
May+2.7%
Jun+1.7%
Jul+1.3%
Aug+2.1%
Sep+3.7%
Oct+1.7%
Nov+2.6%
Dec+0.8%
Median
Jan+2.0%
Feb+0.6%
Mar+2.0%
Apr-0.6%
May+2.2%
Jun+0.5%
Jul+1.9%
Aug+2.3%
Sep+1.8%
Oct+0.9%
Nov+2.2%
Dec+1.2%
Last 5Y Avg
Jan+2.9%
Feb+0.2%
Mar-2.0%
Apr-4.1%
May+4.8%
Jun+1.7%
Jul+3.7%
Aug-0.2%
Sep-4.8%
Oct+0.1%
Nov+2.0%
Dec+1.9%
Std Dev (σ)
Jan9.6%
Feb9.1%
Mar9.6%
Apr12.0%
May8.6%
Jun7.2%
Jul8.7%
Aug8.8%
Sep10.7%
Oct10.6%
Nov9.8%
Dec9.8%
Consistency (μ/σ)
Jan0.16
Feb0.08
Mar0.04
Apr0.04
May0.32
Jun0.24
Jul0.15
Aug0.24
Sep0.35
Oct0.16
Nov0.27
Dec0.08
Win Rate (%)
Jan62%
Feb53%
Mar68%
Apr44%
May65%
Jun55%
Jul65%
Aug71%
Sep65%
Oct56%
Nov56%
Dec53%
Winning / Losing Months
Jan▲21▼13
Feb▲18▼16
Mar▲23▼11
Apr▲15▼19
May▲22▼12
Jun▲18▼15
Jul▲22▼12
Aug▲24▼10
Sep▲22▼12
Oct▲19▼15
Nov▲19▼15
Dec▲18▼16
Longest Win / Loss Streak
Jan▲5▼3
Feb▲3▼3
Mar▲10▼4
Apr▲5▼5
May▲4▼3
Jun▲3▼2
Jul▲5▼2
Aug▲5▼3
Sep▲9▼3
Oct▲6▼3
Nov▲4▼4
Dec▲3▼2
Best
Jan+26.8%1994
Feb+21.6%2010
Mar+20.7%1995
Apr+34.4%1997
May+17.9%2007
Jun+17.0%1999
Jul+18.8%2008
Aug+23.3%1994
Sep+43.4%1995
Oct+27.2%1992
Nov+20.0%1995
Dec+24.3%1996
Worst
Jan-31.3%1997
Feb-23.3%1993
Mar-24.6%2001
Apr-33.4%1999
May-26.7%1994
Jun-9.6%2002
Jul-30.7%1999
Aug-21.7%1998
Sep-17.2%2022
Oct-19.9%1995
Nov-18.6%2008
Dec-21.1%1999
−33.4%+43.4%
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