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Stock Seasonality for Intuitive Surgical (ISRG)

Intuitive Surgical (ISRG) historical monthly and quarterly returns. Dividend-adjusted performance data.

Intuitive Surgical (ISRG) seasonality heatmap

Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.

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

Jan1313
Feb1511
Mar179
Apr1610
May1511
Jun169
Jul179
Aug1214
Sep1214
Oct1511
Nov206
Dec1214

Longest Win / Loss Streak

Jan34
Feb43
Mar72
Apr53
May33
Jun42
Jul53
Aug44
Sep46
Oct23
Nov71
Dec34

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%

Frequently asked questions

Data & methodology