S&P 500: the January Effect
Can the performance of the S&P 500 in January set the tone for the rest of the year? The first month of the year has often been viewed as a bellwether for the following 11 months in a phenomenon known as the “January Effect” or “January Barometer.”
This chart reveals a trend going back to 1929, showing that a positive January often leads to a yearly gain of 13.2 per cent. Conversely, a negative January typically precedes an annual loss of 1.8 per cent. The rise of 1.6 per cent in January this year hints at a strong 2024, with a six per cent increase surpassing the average improvement when the S&P 500 is in positive territory.