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Tokyo Electric Power 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+0.6%0.0%48%+20.6%14.7%
February2.3%0.5%44%+21.4%78.0%
March+2.5%0.8%41%+68.6%12.5%
April+1.8%+1.0%52%+44.7%25.4%
May0.3%+0.7%52%+20.8%18.3%
June+0.7%1.3%41%+33.4%19.9%
July+0.6%0.0%48%+31.3%16.5%
August2.7%2.6%46%+22.2%37.8%
September+0.7%+1.0%58%+19.2%14.4%
October+0.4%+0.6%50%+19.2%13.9%
November+1.5%0.3%46%+58.5%35.6%
December+0.1%0.0%50%+47.4%14.2%

By Calendar Year

YearReturn
2025+42.0%
202448.1%
2023+62.5%
2022+58.5%
202123.7%
20207.8%
201935.0%
2018+51.4%
2017+2.1%
201627.8%
2015+19.5%
2014+6.8%
2013+120.7%
2012+1.9%
201189.5%
201018.1%
200914.0%
2008+2.5%
200732.8%
2006+39.3%
2005+19.4%
2004+2.9%
2003+7.1%
200213.8%
2001+2.0%
2000+2.0%

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