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Astellas Pharma 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%+2.2%63%+21.3%12.9%
February2.2%1.9%26%+7.0%16.1%
March0.0%+0.1%56%+12.1%20.8%
April+0.3%+1.3%63%+14.7%14.0%
May+1.3%+0.9%56%+17.9%8.0%
June+0.9%+1.2%52%+11.4%11.2%
July+0.5%+2.6%56%+9.6%18.1%
August0.4%0.5%42%+11.8%14.2%
September+1.7%+0.4%50%+20.8%11.9%
October+1.6%+0.3%54%+22.0%13.0%
November+0.2%+0.5%54%+8.5%19.7%
December0.2%0.5%46%+20.1%13.4%

By Calendar Year

YearReturn
2025+41.6%
202412.2%
20239.8%
2022+3.4%
2021+9.3%
202013.2%
2019+21.2%
2018+11.8%
20174.9%
20168.3%
20159.8%
2014+43.0%
2013+37.4%
2012+48.7%
20110.2%
20106.1%
20092.9%
200825.4%
200710.1%
2006+5.8%
2005+28.6%
2004+12.2%
2003+7.7%
20021.0%
200126.4%
20008.9%

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