← PNL404 · CowayEnglish · 한국어 · 日本語

Coway Seasonality

Historical month-by-month and year-by-year returns

Based on 27 calendar years of monthly closes, starting 2000.

By Month

MonthAverageMedian% PositiveBestWorst
January+2.5%+0.1%50%+74.6%21.5%
February+1.2%+0.1%52%+23.8%16.1%
March+2.0%+2.2%56%+19.3%20.3%
April+0.8%+1.1%56%+35.5%28.3%
May+1.4%+0.5%56%+19.3%11.6%
June+2.3%+3.3%67%+26.3%18.0%
July+1.3%0.3%48%+13.6%13.7%
August2.2%2.5%35%+24.4%21.7%
September+0.1%+1.2%54%+29.1%19.0%
October+3.0%+0.3%50%+28.1%14.7%
November+1.8%+0.8%65%+30.1%20.4%
December+5.5%+1.5%50%+48.5%13.4%

By Calendar Year

YearReturn
2025+7.9%
2024+39.8%
20230.9%
202219.7%
20210.3%
202020.6%
2019+5.3%
201812.4%
2017+8.8%
201610.3%
2015+11.0%
2014+26.5%
2013+46.7%
2012+16.4%
2011+16.5%
20102.4%
2009+39.6%
200818.7%
2007+28.8%
20068.9%
2005+86.5%
2004+97.3%
20030.0%
2002+23.7%
2001+218.9%
200038.3%

These are historical patterns, not a forecast — past calendar-month performance does not predict future returns.