Seasonal rise in euro, starting on August 11 and ending on October 17. The increase was observed in 25 of 31 years, resulting in an average profit of +4%. But there were also 6 years, where the price of the euro fell during this period of the year. The average loss then was -3.7%. The overall rise during all 31 years was +2.5% p.a.
Data from 4 Jan 1971 to 21 July 2006.