Ticker League

Amgen (AMGN) seasonality heatmap

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

2026

Jan+4.5%
Feb+14.3%
Mar-9.4%
Apr-1.6%
May-2.7%
Jun+5.5%
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan+9.5%
Feb+8.8%
Mar+1.1%
Apr-6.6%
May-0.1%
Jun-3.1%
Jul+5.7%
Aug-1.7%
Sep-1.9%
Oct+5.7%
Nov+16.6%
Dec-5.3%

2024

Jan+9.1%
Feb-12.2%
Mar+3.8%
Apr-3.6%
May+12.4%
Jun+2.2%
Jul+6.4%
Aug+1.1%
Sep-3.5%
Oct-0.6%
Nov-10.9%
Dec-7.9%

2023

Jan-3.9%
Feb-7.4%
Mar+4.4%
Apr-0.8%
May-7.1%
Jun+0.6%
Jul+5.5%
Aug+10.4%
Sep+4.8%
Oct-4.9%
Nov+6.3%
Dec+6.8%

2022

Jan+1.0%
Feb+0.6%
Mar+6.8%
Apr-3.6%
May+11.0%
Jun-5.2%
Jul+1.7%
Aug-2.1%
Sep-6.2%
Oct+19.9%
Nov+6.7%
Dec-8.3%

2021

Jan+5.0%
Feb-6.1%
Mar+10.6%
Apr-3.7%
May-0.0%
Jun+2.4%
Jul-0.9%
Aug-5.9%
Sep-5.7%
Oct-2.7%
Nov-3.1%
Dec+13.1%

2020

Jan-10.4%
Feb-6.9%
Mar+1.5%
Apr+18.0%
May-3.3%
Jun+2.7%
Jul+3.7%
Aug+4.2%
Sep+0.3%
Oct-14.6%
Nov+3.0%
Dec+3.5%

2019

Jan-3.9%
Feb+2.4%
Mar-0.1%
Apr-5.6%
May-6.2%
Jun+10.5%
Jul+1.3%
Aug+12.6%
Sep-7.2%
Oct+10.2%
Nov+10.8%
Dec+2.7%

2018

Jan+7.0%
Feb-0.5%
Mar-7.2%
Apr+2.3%
May+3.7%
Jun+2.8%
Jul+6.5%
Aug+2.3%
Sep+3.7%
Oct-7.0%
Nov+8.8%
Dec-6.5%

2017

Jan+7.2%
Feb+13.5%
Mar-7.1%
Apr-0.5%
May-4.3%
Jun+10.9%
Jul+1.3%
Aug+2.6%
Sep+4.9%
Oct-6.0%
Nov+0.9%
Dec-1.0%

2016

Jan-5.9%
Feb-6.2%
Mar+5.4%
Apr+5.6%
May+0.4%
Jun-3.7%
Jul+13.1%
Aug-0.6%
Sep-1.9%
Oct-15.4%
Nov+2.8%
Dec+1.5%

2015

Jan-4.4%
Feb+4.1%
Mar+1.4%
Apr-1.2%
May-0.6%
Jun-1.8%
Jul+15.0%
Aug-13.6%
Sep-8.9%
Oct+14.4%
Nov+2.4%
Dec+0.8%

2014

Jan+4.3%
Feb+4.8%
Mar-0.5%
Apr-9.4%
May+4.4%
Jun+2.0%
Jul+7.6%
Aug+9.9%
Sep+0.8%
Oct+15.5%
Nov+2.3%
Dec-3.6%

2013

Jan-0.8%
Feb+7.7%
Mar+12.0%
Apr+1.7%
May-3.1%
Jun-1.9%
Jul+9.8%
Aug+1.0%
Sep+2.7%
Oct+3.8%
Nov-1.4%
Dec+0.0%

2012

Jan+5.8%
Feb+0.7%
Mar-0.1%
Apr+4.6%
May-1.7%
Jun+4.9%
Jul+13.3%
Aug+2.0%
Sep+0.4%
Oct+2.6%
Nov+3.1%
Dec-2.9%

2011

Jan+0.3%
Feb-6.8%
Mar+4.1%
Apr+6.4%
May+6.5%
Jun-3.6%
Jul-6.3%
Aug+1.8%
Sep-0.8%
Oct+4.2%
Nov+1.6%
Dec+10.9%

2010

Jan+3.4%
Feb-3.2%
Mar+5.7%
Apr-4.2%
May-9.6%
Jun+1.6%
Jul+3.7%
Aug-6.4%
Sep+8.0%
Oct+3.8%
Nov-7.9%
Dec+4.2%

2009

Jan-5.0%
Feb-10.8%
Mar+1.2%
Apr-2.1%
May+3.0%
Jun+6.0%
Jul+17.7%
Aug-4.1%
Sep+0.8%
Oct-11.0%
Nov+5.1%
Dec+0.4%

2008

Jan+0.3%
Feb-2.3%
Mar-8.2%
Apr+0.2%
May+5.2%
Jun+7.1%
Jul+32.8%
Aug+0.4%
Sep-5.7%
Oct+1.0%
Nov-7.3%
Dec+4.0%

2007

Jan+3.0%
Feb-8.7%
Mar-13.0%
Apr+14.8%
May-12.0%
Jun-2.0%
Jul-2.8%
Aug-6.8%
Sep+12.9%
Oct+2.7%
Nov-4.9%
Dec-15.9%

2006

Jan-7.6%
Feb+3.6%
Mar-3.6%
Apr-6.9%
May-0.2%
Jun-3.5%
Jul+6.9%
Aug-2.4%
Sep+5.1%
Oct+6.1%
Nov-6.4%
Dec-3.8%

2005

Jan-3.0%
Feb-1.0%
Mar-5.5%
Apr+0.0%
May+7.5%
Jun-3.4%
Jul+32.0%
Aug+0.2%
Sep-0.3%
Oct-5.1%
Nov+7.0%
Dec-2.6%

2004

Jan+4.7%
Feb-1.8%
Mar-8.5%
Apr-3.0%
May-3.0%
Jun-0.2%
Jul+4.2%
Aug+4.2%
Sep-4.2%
Oct+0.0%
Nov+5.7%
Dec+6.8%

2003

Jan+5.4%
Feb+7.2%
Mar+5.3%
Apr+6.5%
May+5.6%
Jun+1.8%
Jul+5.3%
Aug-5.0%
Sep-2.2%
Oct-4.3%
Nov-6.7%
Dec+7.2%

2002

Jan-1.7%
Feb+4.5%
Mar+2.9%
Apr-11.4%
May-9.9%
Jun-12.1%
Jul+9.0%
Aug-1.3%
Sep-7.4%
Oct+11.7%
Nov+1.4%
Dec+2.4%

2001

Jan+10.0%
Feb+2.5%
Mar-16.5%
Apr+1.6%
May+8.6%
Jun-8.6%
Jul+3.4%
Aug+2.5%
Sep-8.6%
Oct-3.3%
Nov+16.9%
Dec-15.0%

2000

Jan+6.1%
Feb+7.1%
Mar-10.0%
Apr-8.8%
May+13.6%
Jun+10.4%
Jul-7.6%
Aug+16.7%
Sep-7.9%
Oct-17.0%
Nov+9.8%
Dec+0.5%

1999

Jan+22.2%
Feb-2.3%
Mar+19.9%
Apr-18.0%
May+3.0%
Jun-3.8%
Jul+26.3%
Aug+8.2%
Sep-2.0%
Oct-2.1%
Nov+14.2%
Dec+31.8%

1998

Jan-7.5%
Feb+6.1%
Mar+14.7%
Apr-2.0%
May+1.5%
Jun+7.9%
Jul+12.4%
Aug-17.1%
Sep+24.1%
Oct+4.0%
Nov-4.2%
Dec+39.0%

1997

Jan+3.7%
Feb+8.5%
Mar-8.6%
Apr+5.4%
May+13.6%
Jun-13.1%
Jul+1.2%
Aug-15.8%
Sep-3.2%
Oct+2.7%
Nov+3.8%
Dec+5.8%

1996

Jan+1.3%
Feb-0.6%
Mar-2.8%
Apr-1.0%
May+3.5%
Jun-9.3%
Jul+1.2%
Aug+6.6%
Sep+8.4%
Oct-2.9%
Nov-0.7%
Dec-10.8%

1995

Jan+7.8%
Feb+8.6%
Mar-2.4%
Apr+7.9%
May-0.3%
Jun+10.9%
Jul+5.9%
Aug+12.5%
Sep+4.2%
Oct-3.8%
Nov+3.4%
Dec+19.5%

1994

Jan-1.7%
Feb-14.3%
Mar-8.5%
Apr+5.9%
May+15.2%
Jun-7.9%
Jul+15.7%
Aug+6.2%
Sep+1.1%
Oct+4.7%
Nov+4.7%
Dec+1.0%

1993

Jan-12.2%
Feb-41.6%
Mar+4.2%
Apr+6.0%
May-11.2%
Jun+3.0%
Jul-4.2%
Aug+5.7%
Sep+4.5%
Oct+18.0%
Nov-0.8%
Dec+9.4%

1992

Jan-7.0%
Feb-7.4%
Mar-4.3%
Apr-10.2%
May+8.9%
Jun-0.2%
Jul+7.6%
Aug-3.2%
Sep-1.1%
Oct+6.4%
Nov+15.1%
Dec-8.0%

1991

Jan+18.9%
Feb+23.6%
Mar+44.0%
Apr-3.5%
May-3.6%
Jun-3.5%
Jul+25.6%
Aug+8.2%
Sep+3.5%
Oct+8.6%
Nov-6.5%
Dec+35.2%

1990

Jan-4.5%
Feb+23.2%
Mar+7.5%
Apr+3.1%
May+9.8%
Jun+11.4%
Jul+10.9%
Aug+4.9%
Sep-1.6%
Oct+5.6%
Nov+23.3%
Dec+6.7%

1989

Jan+11.8%
Feb+0.0%
Mar+8.6%
Apr-2.4%
May+0.3%
Jun+7.8%
Jul+0.6%
Aug-10.3%
Sep+7.7%
Oct+37.1%
Nov-2.5%
Dec-12.8%

1988

Jan+4.8%
Feb+2.3%
Mar-3.0%
Apr-9.3%
May-3.4%
Jun-4.4%
Jul+5.6%
Aug+10.5%
Sep+4.0%
Oct-3.1%
Nov-0.8%
Dec+7.1%

1987

Jan+18.1%
Feb+44.0%
Mar+2.3%
Apr+3.2%
May+2.2%
Jun-5.8%
Jul-22.2%
Aug+7.6%
Sep+2.3%
Oct-18.3%
Nov-20.6%
Dec+45.9%

1986

Jan+5.6%
Feb+5.3%
Mar+23.3%
Apr+11.5%
May+24.9%
Jun-3.4%
Jul-10.0%
Aug-2.8%
Sep-19.0%
Oct+28.4%
Nov+5.5%
Dec-7.3%

1985

Jan+40.0%
Feb-21.4%
Mar+0.0%
Apr+11.4%
May+26.5%
Jun+3.2%
Jul-9.4%
Aug+5.2%
Sep+4.9%
Oct+31.3%
Nov+7.1%
Dec+20.0%

1984

Jan+6.9%
Feb-22.6%
Mar+0.0%
Apr-10.4%
May+0.0%
Jun+7.0%
Jul-17.4%
Aug+7.9%
Sep-2.4%
Oct-10.0%
Nov-2.8%
Dec+14.3%

1983

Jan
Feb
Mar
Apr
May
Jun
Jul-11.5%
Aug-27.2%
Sep+1.5%
Oct-23.5%
Nov+5.8%
Dec+5.5%

Avg

Jan+3.4%
Feb+0.4%
Mar+1.7%
Apr-0.3%
May+2.5%
Jun+0.4%
Jul+5.3%
Aug+0.7%
Sep+0.2%
Oct+2.2%
Nov+2.5%
Dec+4.5%

Median

Jan+3.7%
Feb+0.6%
Mar+1.1%
Apr-1.0%
May+0.4%
Jun+0.2%
Jul+5.5%
Aug+1.8%
Sep+0.3%
Oct+2.6%
Nov+2.8%
Dec+2.4%

Last 5Y Avg

Jan+4.0%
Feb+0.8%
Mar+1.3%
Apr-3.3%
May+2.7%
Jun-0.6%
Jul+3.7%
Aug+0.3%
Sep-2.5%
Oct+3.5%
Nov+3.1%
Dec-0.3%

Std Dev (σ)

Jan9.4%
Feb13.4%
Mar10.6%
Apr7.3%
May8.5%
Jun6.3%
Jul11.5%
Aug8.7%
Sep6.9%
Oct12.7%
Nov8.2%
Dec13.7%

Consistency (μ/σ)

Jan0.37
Feb0.03
Mar0.16
Apr-0.04
May0.30
Jun0.06
Jul0.46
Aug0.08
Sep0.03
Oct0.17
Nov0.30
Dec0.33

Win Rate (%)

Jan65%
Feb51%
Mar51%
Apr42%
May53%
Jun50%
Jul77%
Aug60%
Sep51%
Oct53%
Nov63%
Dec63%

Winning / Losing Months

Jan2815
Feb2221
Mar2221
Apr1825
May2320
Jun2121
Jul3310
Aug2617
Sep2221
Oct2320
Nov2716
Dec2716

Longest Win / Loss Streak

Jan63
Feb45
Mar65
Apr36
May63
Jun54
Jul95
Aug42
Sep47
Oct63
Nov73
Dec43

Best

Jan+40.0%1985
Feb+44.0%1987
Mar+44.0%1991
Apr+18.0%2020
May+26.5%1985
Jun+11.4%1990
Jul+32.8%2008
Aug+16.7%2000
Sep+24.1%1998
Oct+37.1%1989
Nov+23.3%1990
Dec+45.9%1987

Worst

Jan-12.2%1993
Feb-41.6%1993
Mar-16.5%2001
Apr-18.0%1999
May-12.0%2007
Jun-13.1%1997
Jul-22.2%1987
Aug-27.2%1983
Sep-19.0%1986
Oct-23.5%1983
Nov-20.6%1987
Dec-15.9%2007
−41.6%+45.9%

Frequently asked questions

Data & methodology