Ticker League

FactSet (FDS) seasonality heatmap

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

2026

Jan-12.3%
Feb-14.3%
Mar+0.1%
Apr+4.9%
May+7.9%
Jun-1.8%
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan-1.2%
Feb-2.4%
Mar-1.5%
Apr-4.9%
May+6.3%
Jun-2.4%
Jul-9.9%
Aug-7.1%
Sep-23.3%
Oct-6.9%
Nov+4.3%
Dec+4.7%

2024

Jan-0.2%
Feb-2.6%
Mar-1.8%
Apr-8.3%
May-2.8%
Jun+1.0%
Jul+1.2%
Aug+2.6%
Sep+8.8%
Oct-1.3%
Nov+8.3%
Dec-2.1%

2023

Jan+5.4%
Feb-1.8%
Mar+0.1%
Apr-0.8%
May-6.3%
Jun+4.1%
Jul+8.6%
Aug+0.5%
Sep+0.2%
Oct-1.2%
Nov+5.2%
Dec+5.2%

2022

Jan-13.2%
Feb-3.5%
Mar+6.9%
Apr-7.1%
May-5.2%
Jun+0.7%
Jul+11.7%
Aug+1.1%
Sep-7.7%
Oct+6.3%
Nov+8.6%
Dec-13.0%

2021

Jan-9.1%
Feb+0.8%
Mar+1.5%
Apr+9.0%
May-0.3%
Jun+0.4%
Jul+6.5%
Aug+6.7%
Sep+3.8%
Oct+12.4%
Nov+5.8%
Dec+3.7%

2020

Jan+6.6%
Feb-6.8%
Mar-2.0%
Apr+5.5%
May+12.1%
Jun+6.8%
Jul+5.4%
Aug+1.4%
Sep-4.4%
Oct-8.5%
Nov+9.2%
Dec-0.4%

2019

Jan+9.2%
Feb+7.9%
Mar+5.6%
Apr+11.1%
May+1.1%
Jun+3.0%
Jul-3.2%
Aug-1.6%
Sep-10.7%
Oct+4.3%
Nov+2.7%
Dec+3.3%

2018

Jan+4.1%
Feb+1.5%
Mar-1.9%
Apr-5.2%
May+6.6%
Jun-1.4%
Jul+1.6%
Aug+14.2%
Sep-2.5%
Oct+0.0%
Nov+5.1%
Dec-14.7%

2017

Jan+5.9%
Feb+3.1%
Mar-7.3%
Apr-1.0%
May+1.8%
Jun+0.3%
Jul+0.6%
Aug-5.7%
Sep+14.6%
Oct+5.4%
Nov+5.6%
Dec-3.6%

2016

Jan-7.3%
Feb+0.2%
Mar+0.7%
Apr-0.5%
May+5.8%
Jun+1.5%
Jul+6.5%
Aug+3.8%
Sep-8.9%
Oct-4.6%
Nov+3.9%
Dec+2.0%

2015

Jan+2.0%
Feb+8.6%
Mar+2.3%
Apr-1.1%
May+5.2%
Jun-1.6%
Jul+1.9%
Aug-4.4%
Sep+1.2%
Oct+9.6%
Nov-2.9%
Dec-4.1%

2014

Jan-2.6%
Feb-0.1%
Mar+2.4%
Apr-1.2%
May+1.0%
Jun+12.3%
Jul-0.1%
Aug+6.4%
Sep-4.6%
Oct+8.2%
Nov+4.6%
Dec+2.7%

2013

Jan+5.1%
Feb+5.5%
Mar-4.8%
Apr+1.6%
May+4.8%
Jun+3.8%
Jul+7.1%
Aug-5.9%
Sep+6.6%
Oct-0.1%
Nov+4.0%
Dec-3.9%

2012

Jan+1.2%
Feb-0.7%
Mar+13.3%
Apr+5.9%
May+0.8%
Jun-11.9%
Jul+0.0%
Aug-0.4%
Sep+4.5%
Oct-6.1%
Nov+2.4%
Dec-4.7%

2011

Jan+7.5%
Feb+4.3%
Mar-0.1%
Apr+4.5%
May+1.6%
Jun-7.7%
Jul-10.0%
Aug-4.2%
Sep+1.2%
Oct+11.7%
Nov-5.9%
Dec-6.4%

2010

Jan-4.4%
Feb+5.4%
Mar+10.8%
Apr+2.5%
May-9.2%
Jun-1.6%
Jul+11.9%
Aug-1.6%
Sep+10.3%
Oct+8.2%
Nov+1.3%
Dec+5.7%

2009

Jan-10.0%
Feb-2.7%
Mar+29.7%
Apr+7.2%
May-0.9%
Jun-5.7%
Jul+13.7%
Aug-2.6%
Sep+20.3%
Oct-3.3%
Nov+13.3%
Dec-8.9%

2008

Jan+0.6%
Feb-5.8%
Mar+2.3%
Apr+11.4%
May+8.1%
Jun-12.9%
Jul+2.3%
Aug+9.0%
Sep-16.7%
Oct-25.8%
Nov+3.6%
Dec+10.6%

2007

Jan+2.8%
Feb+4.9%
Mar+3.3%
Apr-2.1%
May+4.0%
Jun+7.1%
Jul-3.4%
Aug-9.0%
Sep+14.4%
Oct+2.9%
Nov-10.9%
Dec-11.1%

2006

Jan-3.1%
Feb-1.7%
Mar+13.3%
Apr-0.4%
May+1.9%
Jun+5.3%
Jul-7.2%
Aug+0.6%
Sep+10.1%
Oct+4.8%
Nov+4.0%
Dec+6.8%

2005

Jan-8.6%
Feb-7.2%
Mar+0.1%
Apr-15.9%
May+15.5%
Jun+12.0%
Jul+2.3%
Aug-4.5%
Sep+0.7%
Oct-0.5%
Nov+10.5%
Dec+6.3%

2004

Jan-0.3%
Feb-3.1%
Mar+15.6%
Apr-6.5%
May+10.0%
Jun+8.1%
Jul-8.7%
Aug+3.4%
Sep+8.2%
Oct+3.4%
Nov+3.8%
Dec+13.3%

2003

Jan-3.8%
Feb-5.7%
Mar+26.8%
Apr+7.2%
May+10.8%
Jun+14.4%
Jul+4.4%
Aug+5.7%
Sep-8.6%
Oct-1.6%
Nov-4.9%
Dec-7.8%

2002

Jan+10.7%
Feb-11.4%
Mar+17.8%
Apr-13.7%
May-6.2%
Jun-8.6%
Jul-12.5%
Aug-4.6%
Sep+7.1%
Oct+3.0%
Nov+13.1%
Dec-8.5%

2001

Jan+1.0%
Feb-16.6%
Mar-3.2%
Apr+17.6%
May+13.1%
Jun-11.0%
Jul-7.1%
Aug-23.4%
Sep-4.3%
Oct+2.0%
Nov+21.3%
Dec+16.6%

2000

Jan-15.9%
Feb-10.0%
Mar-10.2%
Apr+6.3%
May-10.3%
Jun+9.6%
Jul+15.5%
Aug+4.9%
Sep+10.0%
Oct+0.7%
Nov-15.2%
Dec+15.5%

1999

Jan+19.8%
Feb-15.4%
Mar+3.7%
Apr+7.7%
May-8.2%
Jun+32.5%
Jul-11.9%
Aug-7.1%
Sep+22.8%
Oct+17.0%
Nov-6.7%
Dec+28.4%

1998

Jan-8.9%
Feb+6.7%
Mar+19.7%
Apr-2.1%
May-7.3%
Jun+0.2%
Jul+13.3%
Aug-12.4%
Sep-1.8%
Oct-5.2%
Nov+35.3%
Dec+51.9%

1997

Jan-1.9%
Feb-11.9%
Mar+7.1%
Apr+4.2%
May-3.7%
Jun+25.7%
Jul+12.1%
Aug+0.0%
Sep+9.3%
Oct-11.1%
Nov-5.5%
Dec+21.7%

1996

Jan
Feb
Mar
Apr
May
Jun
Jul+0.0%
Aug+1.2%
Sep-5.5%
Oct+25.3%
Nov-1.9%
Dec-10.7%

Avg

Jan-0.7%
Feb-2.5%
Mar+5.0%
Apr+1.2%
May+1.9%
Jun+2.9%
Jul+1.8%
Aug-1.1%
Sep+1.8%
Oct+1.6%
Nov+4.1%
Dec+3.3%

Median

Jan-0.3%
Feb-2.1%
Mar+2.3%
Apr+0.6%
May+1.7%
Jun+1.0%
Jul+1.8%
Aug-0.2%
Sep+1.2%
Oct+1.4%
Nov+4.0%
Dec+2.4%

Last 5Y Avg

Jan-4.3%
Feb-4.9%
Mar+0.8%
Apr-3.2%
May-0.0%
Jun+0.8%
Jul+3.6%
Aug+0.8%
Sep-3.6%
Oct+1.9%
Nov+6.4%
Dec-0.3%

Std Dev (σ)

Jan7.9%
Feb7.0%
Mar9.5%
Apr7.4%
May7.0%
Jun10.2%
Jul8.1%
Aug7.1%
Sep10.5%
Oct9.3%
Nov9.5%
Dec13.9%

Consistency (μ/σ)

Jan-0.09
Feb-0.36
Mar0.52
Apr0.16
May0.28
Jun0.28
Jul0.22
Aug-0.15
Sep0.18
Oct0.18
Nov0.43
Dec0.24

Win Rate (%)

Jan47%
Feb37%
Mar70%
Apr50%
May63%
Jun66%
Jul63%
Aug47%
Sep60%
Oct57%
Nov73%
Dec53%

Winning / Losing Months

Jan1416
Feb1119
Mar219
Apr1515
May1911
Jun1910
Jul1911
Aug1416
Sep1812
Oct1713
Nov228
Dec1614

Longest Win / Loss Streak

Jan44
Feb58
Mar92
Apr65
May104
Jun65
Jul52
Aug55
Sep53
Oct43
Nov102
Dec53

Best

Jan+19.8%1999
Feb+8.6%2015
Mar+29.7%2009
Apr+17.6%2001
May+15.5%2005
Jun+32.5%1999
Jul+15.5%2000
Aug+14.2%2018
Sep+22.8%1999
Oct+25.3%1996
Nov+35.3%1998
Dec+51.9%1998

Worst

Jan-15.9%2000
Feb-16.6%2001
Mar-10.2%2000
Apr-15.9%2005
May-10.3%2000
Jun-12.9%2008
Jul-12.5%2002
Aug-23.4%2001
Sep-23.3%2025
Oct-25.8%2008
Nov-15.2%2000
Dec-14.7%2018
−25.8%+51.9%

Frequently asked questions

Data & methodology