Intuitive Surgical (ISRG) 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 | -11.0% | -0.1% | -8.4% | -0.7% | -7.2% | -3.2% | — | — | — | — | — | — |
| 2025 | +9.6% | +0.2% | -13.6% | +4.1% | +7.1% | -1.6% | -11.5% | -1.6% | -5.5% | +19.5% | +7.3% | -1.2% |
| 2024 | +12.1% | +2.0% | +3.5% | -7.1% | +8.5% | +10.6% | -0.1% | +10.8% | -0.3% | +2.6% | +7.6% | -3.7% |
| 2023 | -7.4% | -6.6% | +11.4% | +17.9% | +2.2% | +11.1% | -5.1% | -3.6% | -6.5% | -10.3% | +18.5% | +8.5% |
| 2022 | -20.9% | +2.2% | +3.9% | -20.7% | -4.9% | -11.8% | +14.7% | -10.6% | -8.9% | +31.5% | +9.7% | -1.9% |
| 2021 | -8.6% | -1.4% | +0.3% | +17.1% | -2.6% | +9.2% | +7.8% | +6.3% | -5.6% | +9.0% | -10.2% | +10.8% |
| 2020 | -5.3% | -4.6% | -7.3% | +3.2% | +13.5% | -1.8% | +20.3% | +6.6% | -2.9% | -6.0% | +8.8% | +12.7% |
| 2019 | +9.3% | +4.6% | +4.2% | -10.5% | -9.0% | +12.8% | -1.0% | -1.6% | +5.6% | +2.4% | +7.2% | -0.3% |
| 2018 | +18.3% | -1.2% | -3.2% | +6.8% | +4.3% | +4.1% | +6.2% | +10.2% | +2.5% | -9.2% | +1.9% | -9.8% |
| 2017 | +9.2% | +6.4% | +4.0% | +9.1% | +9.4% | +2.3% | +0.3% | +7.1% | +4.1% | +7.7% | +6.5% | -8.7% |
| 2016 | -1.0% | +4.1% | +6.7% | +4.2% | +1.3% | +4.2% | +5.2% | -1.3% | +5.6% | -7.3% | -4.2% | -1.5% |
| 2015 | -6.5% | +1.1% | +1.0% | -1.8% | -1.7% | -0.7% | +10.1% | -4.2% | -10.1% | +8.1% | +4.7% | +5.0% |
| 2014 | +6.1% | +9.1% | -1.5% | -17.4% | +2.2% | +11.4% | +11.1% | +2.7% | -1.7% | +7.4% | +4.4% | +2.2% |
| 2013 | +17.1% | -11.2% | -3.7% | +0.2% | +1.1% | +1.7% | -23.3% | -0.4% | -2.7% | -1.3% | +1.5% | +1.9% |
| 2012 | -0.7% | +11.3% | +5.9% | +6.7% | -9.5% | +5.9% | -13.1% | +2.1% | +0.8% | +9.4% | -2.4% | -7.3% |
| 2011 | +25.3% | +1.6% | +1.7% | +4.9% | -0.2% | +6.6% | +7.6% | -4.8% | -4.5% | +19.1% | +0.1% | +6.6% |
| 2010 | +8.1% | +5.8% | +0.3% | +3.6% | -10.5% | -2.2% | +4.0% | -19.3% | +7.1% | -7.3% | -1.0% | -1.0% |
| 2009 | -18.7% | -11.9% | +4.8% | +50.7% | +4.1% | +9.3% | +38.9% | -2.0% | +17.7% | -6.1% | +13.9% | +8.1% |
| 2008 | -21.4% | +11.0% | +15.1% | -10.8% | +1.5% | -8.2% | +15.6% | -5.1% | -18.4% | -28.3% | -23.3% | -4.2% |
| 2007 | +2.5% | +12.9% | +9.5% | +6.7% | +6.1% | +0.9% | +53.2% | +4.1% | +3.9% | +42.1% | +0.2% | -1.4% |
| 2006 | +17.0% | -34.3% | +30.8% | +7.6% | -12.3% | +3.3% | -17.2% | -0.9% | +11.7% | -6.0% | +2.5% | -5.6% |
| 2005 | -0.4% | +18.3% | -3.6% | -5.5% | +15.3% | -5.8% | +48.8% | +7.3% | -1.6% | +21.1% | +25.9% | +5.0% |
| 2004 | +4.2% | +0.5% | -5.0% | -4.8% | +2.2% | +14.7% | +20.4% | +5.9% | +2.2% | +17.8% | +23.1% | +11.5% |
| 2003 | +3.6% | -41.2% | +72.3% | -4.9% | +42.3% | -14.9% | +0.6% | +0.6% | +10.1% | -13.0% | +5.6% | +11.8% |
| 2002 | -7.6% | -1.0% | +2.5% | +8.1% | -7.1% | -10.5% | -17.0% | +5.1% | +8.5% | -16.3% | +8.7% | -15.4% |
| 2001 | -1.6% | -13.4% | -32.9% | +36.1% | -2.7% | +109.8% | -32.0% | -1.0% | -31.2% | +46.8% | +3.9% | +5.2% |
| 2000 | — | — | — | — | — | — | +99.5% | -23.2% | -18.9% | +16.1% | -13.9% | -27.6% |
| Avg | +1.2% | -1.4% | +3.8% | +3.9% | +2.1% | +6.4% | +9.4% | -0.4% | -1.5% | +5.7% | +4.1% | -0.0% |
| Median | +1.0% | +0.8% | +2.1% | +3.9% | +1.4% | +3.3% | +5.7% | -0.6% | -0.9% | +5.0% | +4.6% | -0.6% |
| Last 5Y Avg | -3.5% | -0.5% | -0.7% | -1.3% | +1.1% | +3.5% | +1.2% | +0.2% | -5.4% | +10.4% | +6.6% | +2.5% |
| Std Dev (σ) | 12.2% | 13.1% | 17.8% | 15.0% | 10.9% | 23.0% | 27.2% | 8.0% | 10.4% | 17.7% | 10.4% | 9.2% |
| Consistency (μ/σ) | 0.10 | -0.11 | 0.21 | 0.26 | 0.19 | 0.28 | 0.34 | -0.05 | -0.14 | 0.32 | 0.40 | -0.00 |
| Win Rate (%) | 50% | 58% | 65% | 62% | 58% | 64% | 65% | 46% | 46% | 58% | 77% | 46% |
| Winning / Losing Months | ▲13▼13 | ▲15▼11 | ▲17▼9 | ▲16▼10 | ▲15▼11 | ▲16▼9 | ▲17▼9 | ▲12▼14 | ▲12▼14 | ▲15▼11 | ▲20▼6 | ▲12▼14 |
| Longest Win / Loss Streak | ▲3▼4 | ▲4▼3 | ▲7▼2 | ▲5▼3 | ▲3▼3 | ▲4▼2 | ▲5▼3 | ▲4▼4 | ▲4▼6 | ▲2▼3 | ▲7▼1 | ▲3▼4 |
| Best | +25.3%in January 2011 | +18.3%in February 2005 | +72.3%in March 2003 | +50.7%in April 2009 | +42.3%in May 2003 | +109.8%in June 2001 | +99.5%in July 2000 | +10.8%in August 2024 | +17.7%in September 2009 | +46.8%in October 2001 | +25.9%in November 2005 | +12.7%in December 2020 |
| Worst | -21.4%in January 2008 | -41.2%in February 2003 | -32.9%in March 2001 | -20.7%in April 2022 | -12.3%in May 2006 | -14.9%in June 2003 | -32.0%in July 2001 | -23.2%in August 2000 | -31.2%in September 2001 | -28.3%in October 2008 | -23.3%in November 2008 | -27.6%in December 2000 |
−41.2%+109.8%
2026
Jan-11.0%
Feb-0.1%
Mar-8.4%
Apr-0.7%
May-7.2%
Jun-3.2%
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+9.6%
Feb+0.2%
Mar-13.6%
Apr+4.1%
May+7.1%
Jun-1.6%
Jul-11.5%
Aug-1.6%
Sep-5.5%
Oct+19.5%
Nov+7.3%
Dec-1.2%
2024
Jan+12.1%
Feb+2.0%
Mar+3.5%
Apr-7.1%
May+8.5%
Jun+10.6%
Jul-0.1%
Aug+10.8%
Sep-0.3%
Oct+2.6%
Nov+7.6%
Dec-3.7%
2023
Jan-7.4%
Feb-6.6%
Mar+11.4%
Apr+17.9%
May+2.2%
Jun+11.1%
Jul-5.1%
Aug-3.6%
Sep-6.5%
Oct-10.3%
Nov+18.5%
Dec+8.5%
2022
Jan-20.9%
Feb+2.2%
Mar+3.9%
Apr-20.7%
May-4.9%
Jun-11.8%
Jul+14.7%
Aug-10.6%
Sep-8.9%
Oct+31.5%
Nov+9.7%
Dec-1.9%
2021
Jan-8.6%
Feb-1.4%
Mar+0.3%
Apr+17.1%
May-2.6%
Jun+9.2%
Jul+7.8%
Aug+6.3%
Sep-5.6%
Oct+9.0%
Nov-10.2%
Dec+10.8%
2020
Jan-5.3%
Feb-4.6%
Mar-7.3%
Apr+3.2%
May+13.5%
Jun-1.8%
Jul+20.3%
Aug+6.6%
Sep-2.9%
Oct-6.0%
Nov+8.8%
Dec+12.7%
2019
Jan+9.3%
Feb+4.6%
Mar+4.2%
Apr-10.5%
May-9.0%
Jun+12.8%
Jul-1.0%
Aug-1.6%
Sep+5.6%
Oct+2.4%
Nov+7.2%
Dec-0.3%
2018
Jan+18.3%
Feb-1.2%
Mar-3.2%
Apr+6.8%
May+4.3%
Jun+4.1%
Jul+6.2%
Aug+10.2%
Sep+2.5%
Oct-9.2%
Nov+1.9%
Dec-9.8%
2017
Jan+9.2%
Feb+6.4%
Mar+4.0%
Apr+9.1%
May+9.4%
Jun+2.3%
Jul+0.3%
Aug+7.1%
Sep+4.1%
Oct+7.7%
Nov+6.5%
Dec-8.7%
2016
Jan-1.0%
Feb+4.1%
Mar+6.7%
Apr+4.2%
May+1.3%
Jun+4.2%
Jul+5.2%
Aug-1.3%
Sep+5.6%
Oct-7.3%
Nov-4.2%
Dec-1.5%
2015
Jan-6.5%
Feb+1.1%
Mar+1.0%
Apr-1.8%
May-1.7%
Jun-0.7%
Jul+10.1%
Aug-4.2%
Sep-10.1%
Oct+8.1%
Nov+4.7%
Dec+5.0%
2014
Jan+6.1%
Feb+9.1%
Mar-1.5%
Apr-17.4%
May+2.2%
Jun+11.4%
Jul+11.1%
Aug+2.7%
Sep-1.7%
Oct+7.4%
Nov+4.4%
Dec+2.2%
2013
Jan+17.1%
Feb-11.2%
Mar-3.7%
Apr+0.2%
May+1.1%
Jun+1.7%
Jul-23.3%
Aug-0.4%
Sep-2.7%
Oct-1.3%
Nov+1.5%
Dec+1.9%
2012
Jan-0.7%
Feb+11.3%
Mar+5.9%
Apr+6.7%
May-9.5%
Jun+5.9%
Jul-13.1%
Aug+2.1%
Sep+0.8%
Oct+9.4%
Nov-2.4%
Dec-7.3%
2011
Jan+25.3%
Feb+1.6%
Mar+1.7%
Apr+4.9%
May-0.2%
Jun+6.6%
Jul+7.6%
Aug-4.8%
Sep-4.5%
Oct+19.1%
Nov+0.1%
Dec+6.6%
2010
Jan+8.1%
Feb+5.8%
Mar+0.3%
Apr+3.6%
May-10.5%
Jun-2.2%
Jul+4.0%
Aug-19.3%
Sep+7.1%
Oct-7.3%
Nov-1.0%
Dec-1.0%
2009
Jan-18.7%
Feb-11.9%
Mar+4.8%
Apr+50.7%
May+4.1%
Jun+9.3%
Jul+38.9%
Aug-2.0%
Sep+17.7%
Oct-6.1%
Nov+13.9%
Dec+8.1%
2008
Jan-21.4%
Feb+11.0%
Mar+15.1%
Apr-10.8%
May+1.5%
Jun-8.2%
Jul+15.6%
Aug-5.1%
Sep-18.4%
Oct-28.3%
Nov-23.3%
Dec-4.2%
2007
Jan+2.5%
Feb+12.9%
Mar+9.5%
Apr+6.7%
May+6.1%
Jun+0.9%
Jul+53.2%
Aug+4.1%
Sep+3.9%
Oct+42.1%
Nov+0.2%
Dec-1.4%
2006
Jan+17.0%
Feb-34.3%
Mar+30.8%
Apr+7.6%
May-12.3%
Jun+3.3%
Jul-17.2%
Aug-0.9%
Sep+11.7%
Oct-6.0%
Nov+2.5%
Dec-5.6%
2005
Jan-0.4%
Feb+18.3%
Mar-3.6%
Apr-5.5%
May+15.3%
Jun-5.8%
Jul+48.8%
Aug+7.3%
Sep-1.6%
Oct+21.1%
Nov+25.9%
Dec+5.0%
2004
Jan+4.2%
Feb+0.5%
Mar-5.0%
Apr-4.8%
May+2.2%
Jun+14.7%
Jul+20.4%
Aug+5.9%
Sep+2.2%
Oct+17.8%
Nov+23.1%
Dec+11.5%
2003
Jan+3.6%
Feb-41.2%
Mar+72.3%
Apr-4.9%
May+42.3%
Jun-14.9%
Jul+0.6%
Aug+0.6%
Sep+10.1%
Oct-13.0%
Nov+5.6%
Dec+11.8%
2002
Jan-7.6%
Feb-1.0%
Mar+2.5%
Apr+8.1%
May-7.1%
Jun-10.5%
Jul-17.0%
Aug+5.1%
Sep+8.5%
Oct-16.3%
Nov+8.7%
Dec-15.4%
2001
Jan-1.6%
Feb-13.4%
Mar-32.9%
Apr+36.1%
May-2.7%
Jun+109.8%
Jul-32.0%
Aug-1.0%
Sep-31.2%
Oct+46.8%
Nov+3.9%
Dec+5.2%
2000
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul+99.5%
Aug-23.2%
Sep-18.9%
Oct+16.1%
Nov-13.9%
Dec-27.6%
Avg
Jan+1.2%
Feb-1.4%
Mar+3.8%
Apr+3.9%
May+2.1%
Jun+6.4%
Jul+9.4%
Aug-0.4%
Sep-1.5%
Oct+5.7%
Nov+4.1%
Dec-0.0%
Median
Jan+1.0%
Feb+0.8%
Mar+2.1%
Apr+3.9%
May+1.4%
Jun+3.3%
Jul+5.7%
Aug-0.6%
Sep-0.9%
Oct+5.0%
Nov+4.6%
Dec-0.6%
Last 5Y Avg
Jan-3.5%
Feb-0.5%
Mar-0.7%
Apr-1.3%
May+1.1%
Jun+3.5%
Jul+1.2%
Aug+0.2%
Sep-5.4%
Oct+10.4%
Nov+6.6%
Dec+2.5%
Std Dev (σ)
Jan12.2%
Feb13.1%
Mar17.8%
Apr15.0%
May10.9%
Jun23.0%
Jul27.2%
Aug8.0%
Sep10.4%
Oct17.7%
Nov10.4%
Dec9.2%
Consistency (μ/σ)
Jan0.10
Feb-0.11
Mar0.21
Apr0.26
May0.19
Jun0.28
Jul0.34
Aug-0.05
Sep-0.14
Oct0.32
Nov0.40
Dec-0.00
Win Rate (%)
Jan50%
Feb58%
Mar65%
Apr62%
May58%
Jun64%
Jul65%
Aug46%
Sep46%
Oct58%
Nov77%
Dec46%
Winning / Losing Months
Jan▲13▼13
Feb▲15▼11
Mar▲17▼9
Apr▲16▼10
May▲15▼11
Jun▲16▼9
Jul▲17▼9
Aug▲12▼14
Sep▲12▼14
Oct▲15▼11
Nov▲20▼6
Dec▲12▼14
Longest Win / Loss Streak
Jan▲3▼4
Feb▲4▼3
Mar▲7▼2
Apr▲5▼3
May▲3▼3
Jun▲4▼2
Jul▲5▼3
Aug▲4▼4
Sep▲4▼6
Oct▲2▼3
Nov▲7▼1
Dec▲3▼4
Best
Jan+25.3%2011
Feb+18.3%2005
Mar+72.3%2003
Apr+50.7%2009
May+42.3%2003
Jun+109.8%2001
Jul+99.5%2000
Aug+10.8%2024
Sep+17.7%2009
Oct+46.8%2001
Nov+25.9%2005
Dec+12.7%2020
Worst
Jan-21.4%2008
Feb-41.2%2003
Mar-32.9%2001
Apr-20.7%2022
May-12.3%2006
Jun-14.9%2003
Jul-32.0%2001
Aug-23.2%2000
Sep-31.2%2001
Oct-28.3%2008
Nov-23.3%2008
Dec-27.6%2000
−41.2%+109.8%
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