← PNL404 · Boston ScientificEnglish · 한국어 · 日本語

Boston Scientific Seasonality

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

Based on 35 calendar years of monthly closes, starting 1992.

By Month

MonthAverageMedian% PositiveBestWorst
January+5.2%+6.9%62%+30.4%10.7%
February0.1%+0.6%53%+17.7%20.9%
March+1.9%+0.3%56%+53.3%18.3%
April+1.6%+3.2%65%+24.3%21.9%
May+1.5%+2.0%59%+23.4%16.1%
June+0.1%0.3%49%+17.3%18.6%
July+2.1%+3.5%63%+17.8%24.5%
August+0.4%0.9%47%+22.0%16.3%
September2.5%3.1%38%+25.3%27.1%
October+0.1%0.4%47%+24.4%26.4%
November1.0%0.2%47%+17.0%31.7%
December+3.6%+3.2%76%+25.4%9.5%

By Calendar Year

YearReturn
2025+6.8%
2024+54.5%
2023+24.9%
2022+8.9%
2021+18.2%
202020.5%
2019+28.0%
2018+42.6%
2017+14.6%
2016+17.3%
2015+39.2%
2014+10.2%
2013+109.8%
2012+7.3%
201129.5%
201015.9%
2009+16.3%
200833.4%
200732.3%
200629.8%
200531.1%
20043.3%
2003+72.9%
2002+76.3%
2001+76.2%
200037.4%
199918.4%
1998+16.9%
199723.5%
1996+21.8%
1995+183.5%
1994+39.0%
199340.1%

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