The monthly seasonality for June reminds us of the wisdom of the famous market aphorism, ‘Sell in May and Go Away’.
The chart below shows the average month’s performance since 1950 compared to the average monthly performance of the Dow Jones Industrial (grey horizontal line).
Source: Chart of the Day
With the exception of July, the summer tends to be a difficult time for the stock market. June is one of only two months where the Dow has an average negative performance. The other month is September.
The chart below shows the daily seasonality within June for the S&P 500 index: