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Stock Seasonality for CoStar Group (CSGP)

CoStar Group (CSGP) historical monthly and quarterly returns. Dividend-adjusted performance data.

CoStar Group (CSGP) seasonality heatmap

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

2026

Jan-8.5%
Feb-27.4%
Mar-9.6%
Apr-14.2%
May-7.0%
Jun+2.0%
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan+7.0%
Feb-0.5%
Mar+3.9%
Apr-6.4%
May-0.8%
Jun+9.3%
Jul+18.4%
Aug-6.0%
Sep-5.7%
Oct-18.4%
Nov-0.0%
Dec-2.3%

2024

Jan-4.5%
Feb+4.3%
Mar+11.0%
Apr-5.2%
May-14.6%
Jun-5.2%
Jul+5.2%
Aug-0.9%
Sep-2.4%
Oct-3.5%
Nov+11.7%
Dec-12.0%

2023

Jan+0.8%
Feb-9.3%
Mar-2.6%
Apr+11.8%
May+3.2%
Jun+12.1%
Jul-5.7%
Aug-2.4%
Sep-6.2%
Oct-4.5%
Nov+13.1%
Dec+5.2%

2022

Jan-11.2%
Feb-13.0%
Mar+9.2%
Apr-4.5%
May-4.2%
Jun-0.9%
Jul+20.2%
Aug-4.1%
Sep+0.0%
Oct+18.8%
Nov-2.0%
Dec-4.6%

2021

Jan-2.7%
Feb-8.4%
Mar-0.2%
Apr+4.0%
May-0.0%
Jun-3.0%
Jul+7.3%
Aug-4.6%
Sep+1.6%
Oct-0.0%
Nov-9.6%
Dec+1.6%

2020

Jan+9.1%
Feb+2.2%
Mar-12.0%
Apr+10.4%
May+1.3%
Jun+8.2%
Jul+19.6%
Aug-0.1%
Sep-0.0%
Oct-2.9%
Nov+10.6%
Dec+1.5%

2019

Jan+15.8%
Feb+17.1%
Mar+1.9%
Apr+6.4%
May+2.7%
Jun+8.7%
Jul+11.1%
Aug-0.1%
Sep-3.5%
Oct-7.4%
Nov+11.5%
Dec-2.4%

2018

Jan+16.5%
Feb-1.2%
Mar+6.0%
Apr+1.1%
May+4.0%
Jun+8.2%
Jul+0.8%
Aug+6.3%
Sep-4.8%
Oct-14.1%
Nov+2.2%
Dec-8.7%

2017

Jan+7.2%
Feb+0.5%
Mar+2.0%
Apr+16.3%
May+8.6%
Jun+0.8%
Jul+4.6%
Aug+4.0%
Sep-6.4%
Oct+10.2%
Nov+3.1%
Dec-2.6%

2016

Jan-15.1%
Feb+1.0%
Mar+6.3%
Apr+4.8%
May+4.7%
Jun+5.9%
Jul-4.9%
Aug-0.3%
Sep+4.4%
Oct-13.6%
Nov+2.1%
Dec-1.4%

2015

Jan+0.5%
Feb+8.0%
Mar-0.7%
Apr+3.3%
May+2.2%
Jun-3.6%
Jul+0.0%
Aug-12.1%
Sep-2.2%
Oct+17.3%
Nov+3.0%
Dec-1.2%

2014

Jan-6.8%
Feb+16.9%
Mar-7.1%
Apr-13.8%
May-1.4%
Jun-0.3%
Jul-9.2%
Aug+0.8%
Sep+7.4%
Oct+3.6%
Nov+5.7%
Dec+7.8%

2013

Jan+4.9%
Feb+7.4%
Mar+8.7%
Apr-1.0%
May+3.1%
Jun+15.5%
Jul+21.3%
Aug-5.2%
Sep+13.1%
Oct+5.4%
Nov+5.2%
Dec-0.9%

2012

Jan-15.0%
Feb+5.8%
Mar+15.2%
Apr+5.5%
May+1.4%
Jun+9.9%
Jul+1.6%
Aug-1.5%
Sep+0.2%
Oct+1.7%
Nov+4.8%
Dec+2.9%

2011

Jan-2.3%
Feb+0.7%
Mar+10.6%
Apr+8.5%
May-7.2%
Jun-6.0%
Jul-0.8%
Aug-12.9%
Sep+1.6%
Oct+18.3%
Nov+8.1%
Dec+0.3%

2010

Jan-3.3%
Feb-2.5%
Mar+5.3%
Apr+5.8%
May-7.1%
Jun-4.9%
Jul+12.9%
Aug-5.7%
Sep+17.9%
Oct+2.1%
Nov+6.0%
Dec+9.3%

2009

Jan-10.0%
Feb-13.9%
Mar+18.8%
Apr+22.4%
May-3.8%
Jun+11.8%
Jul-8.0%
Aug+3.3%
Sep+8.7%
Oct-5.8%
Nov+2.3%
Dec+5.3%

2008

Jan-10.4%
Feb-1.9%
Mar+3.6%
Apr+11.6%
May-2.3%
Jun-5.1%
Jul+12.1%
Aug+5.8%
Sep-14.0%
Oct-20.7%
Nov-9.4%
Dec+0.9%

2007

Jan-11.4%
Feb-1.3%
Mar-4.7%
Apr+9.2%
May+11.3%
Jun-2.6%
Jul-3.6%
Aug+7.8%
Sep-2.7%
Oct+7.5%
Nov-16.2%
Dec-2.1%

2006

Jan+15.7%
Feb+3.2%
Mar+0.6%
Apr+8.9%
May-5.5%
Jun+12.0%
Jul-27.4%
Aug-7.1%
Sep+2.5%
Oct+14.8%
Nov+4.0%
Dec+8.7%

2005

Jan-6.9%
Feb-14.4%
Mar+0.3%
Apr+7.3%
May+1.5%
Jun+8.5%
Jul+8.9%
Aug-1.5%
Sep-0.2%
Oct+2.8%
Nov-2.3%
Dec-7.9%

2004

Jan-1.0%
Feb-5.6%
Mar-5.4%
Apr+6.8%
May+5.1%
Jun+10.9%
Jul-7.4%
Aug-0.5%
Sep+16.3%
Oct-17.9%
Nov+8.4%
Dec+5.5%

2003

Jan+9.2%
Feb+2.0%
Mar+7.3%
Apr+0.9%
May+26.5%
Jun+5.3%
Jul+2.0%
Aug-1.7%
Sep-12.1%
Oct+43.5%
Nov+11.7%
Dec-0.7%

2002

Jan-2.9%
Feb-22.7%
Mar+26.7%
Apr+4.4%
May-10.9%
Jun-3.3%
Jul+2.4%
Aug+14.8%
Sep-25.3%
Oct-8.9%
Nov+9.8%
Dec+2.8%

2001

Jan+19.9%
Feb-36.7%
Mar+6.7%
Apr+22.0%
May+7.7%
Jun+4.8%
Jul+3.0%
Aug-7.7%
Sep-28.0%
Oct+2.8%
Nov+4.9%
Dec+23.7%

2000

Jan-10.0%
Feb+12.7%
Mar+1.4%
Apr-35.0%
May-12.9%
Jun+20.1%
Jul+46.2%
Aug-24.8%
Sep+34.1%
Oct-15.4%
Nov-28.8%
Dec+5.8%

1999

Jan+86.5%
Feb-15.7%
Mar+48.0%
Apr+33.8%
May-7.4%
Jun+19.8%
Jul-12.0%
Aug-25.1%
Sep-16.7%
Oct+2.9%
Nov-6.5%
Dec+56.1%

1998

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug-38.7%
Sep+17.0%
Oct+8.1%
Nov+7.5%
Dec+40.0%

Avg

Jan+2.5%
Feb-3.3%
Mar+5.4%
Apr+4.5%
May-0.1%
Jun+5.1%
Jul+4.4%
Aug-4.3%
Sep-0.2%
Oct+0.9%
Nov+2.2%
Dec+4.7%

Median

Jan-2.5%
Feb-0.8%
Mar+3.8%
Apr+5.6%
May+0.6%
Jun+5.9%
Jul+2.4%
Aug-1.6%
Sep-0.1%
Oct+1.9%
Nov+4.4%
Dec+1.2%

Last 5Y Avg

Jan-3.3%
Feb-9.2%
Mar+2.4%
Apr-3.7%
May-4.7%
Jun+2.5%
Jul+9.1%
Aug-3.6%
Sep-2.6%
Oct-1.5%
Nov+2.6%
Dec-2.4%

Std Dev (σ)

Jan19.2%
Feb12.6%
Mar11.8%
Apr12.8%
May8.2%
Jun7.8%
Jul13.9%
Aug10.8%
Sep13.0%
Oct14.0%
Nov9.4%
Dec14.1%

Consistency (μ/σ)

Jan0.13
Feb-0.26
Mar0.46
Apr0.35
May-0.01
Jun0.65
Jul0.32
Aug-0.40
Sep-0.02
Oct0.07
Nov0.23
Dec0.33

Win Rate (%)

Jan43%
Feb46%
Mar71%
Apr75%
May50%
Jun63%
Jul63%
Aug25%
Sep46%
Oct54%
Nov71%
Dec57%

Winning / Losing Months

Jan1216
Feb1315
Mar208
Apr217
May1414
Jun1710
Jul1710
Aug721
Sep1315
Oct1513
Nov208
Dec1612

Longest Win / Loss Streak

Jan46
Feb74
Mar62
Apr123
May64
Jun52
Jul63
Aug37
Sep64
Oct64
Nov122
Dec55

Best

Jan+86.5%1999
Feb+17.1%2019
Mar+48.0%1999
Apr+33.8%1999
May+26.5%2003
Jun+20.1%2000
Jul+46.2%2000
Aug+14.8%2002
Sep+34.1%2000
Oct+43.5%2003
Nov+13.1%2023
Dec+56.1%1999

Worst

Jan-15.1%2016
Feb-36.7%2001
Mar-12.0%2020
Apr-35.0%2000
May-14.6%2024
Jun-6.0%2011
Jul-27.4%2006
Aug-38.7%1998
Sep-28.0%2001
Oct-20.7%2008
Nov-28.8%2000
Dec-12.0%2024
−38.7%+86.5%

Frequently asked questions

Data & methodology