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Microsoft Seasonality

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

Based on 41 calendar years of monthly closes, starting 1986.

By Month

MonthAverageMedian% PositiveBestWorst
January+5.1%+3.1%65%+51.6%16.2%
February1.0%1.2%43%+13.6%16.6%
March+2.9%+2.2%65%+26.1%16.2%
April+3.5%+4.7%68%+32.5%34.4%
May+2.9%+2.3%66%+25.9%15.5%
June+1.9%+1.9%56%+27.9%17.2%
July+0.3%+0.7%54%+24.6%15.9%
August+1.5%+1.9%60%+26.3%16.0%
September+0.6%+1.1%57%+16.6%13.6%
October+4.9%+4.1%65%+37.2%24.9%
November+2.4%+2.8%60%+28.4%16.7%
December+1.5%+1.1%57%+28.2%24.4%

By Calendar Year

YearReturn
2025+14.7%
2024+12.1%
2023+56.8%
202228.7%
2021+51.2%
2020+41.0%
2019+55.3%
2018+18.7%
2017+37.7%
2016+12.0%
2015+19.4%
2014+24.2%
2013+40.1%
2012+2.9%
20117.0%
20108.4%
2009+56.8%
200845.4%
2007+19.2%
2006+14.2%
20052.1%
20042.4%
2003+5.9%
200222.0%
2001+52.7%
200062.8%
1999+68.4%
1998+114.6%
1997+56.4%
1996+88.3%
1995+43.6%
1994+51.6%
19935.6%
1992+15.1%
1991+121.8%
1990+73.0%
1989+63.4%
19881.8%
1987+124.9%

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