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Konami Seasonality

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

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

By Month

MonthAverageMedian% PositiveBestWorst
January0.3%+3.0%52%+27.8%29.2%
February+0.6%+1.0%56%+21.6%28.7%
March+0.8%0.8%44%+17.3%9.6%
April+1.7%+3.5%59%+23.1%28.9%
May+1.2%1.4%44%+17.5%15.3%
June+0.3%1.5%48%+16.8%12.8%
July+4.9%+3.8%67%+38.8%32.2%
August+0.6%+0.1%50%+38.1%23.9%
September0.7%2.1%38%+33.5%34.1%
October+2.1%+1.5%58%+34.4%19.0%
November+2.2%+0.9%62%+22.0%13.8%
December2.8%3.7%38%+23.6%19.7%

By Calendar Year

YearReturn
2025+56.9%
2024+56.9%
2023+43.3%
2022+3.9%
20214.2%
2020+50.9%
201915.4%
201819.7%
2017+38.1%
2016+63.4%
2015+25.2%
201410.3%
2013+27.2%
20123.7%
2011+22.5%
2010+9.8%
200918.4%
200842.8%
2007+0.6%
2006+19.8%
2005+15.2%
200420.9%
2003+15.7%
200226.1%
200151.2%
200022.3%

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