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MongoDB Seasonality

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

Based on 10 calendar years of monthly closes, starting 2017.

By Month

MonthAverageMedian% PositiveBestWorst
January+2.0%+2.9%56%+24.5%23.5%
February+1.8%2.2%44%+18.8%11.5%
March1.6%10.5%44%+44.8%34.4%
April0.6%+1.8%56%+18.7%20.0%
May+7.7%+9.7%56%+43.2%35.4%
June+11.3%+8.4%89%+39.9%2.5%
July+4.6%+1.2%78%+20.4%5.8%
August+12.6%+7.8%90%+33.0%9.9%
September5.6%4.3%25%+20.3%38.5%
October+2.9%0.0%50%+15.9%7.8%
November+5.4%+1.7%56%+25.8%16.6%
December+5.6%+4.0%67%+28.9%27.8%

By Calendar Year

YearReturn
2025+80.3%
202443.1%
2023+107.7%
202262.8%
2021+47.4%
2020+172.8%
2019+57.2%
2018+182.1%

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