In: Statistics and Probability
Many investors believe that the stock market’s directional change in January signals the market’s direction for the remainder of the year. This so-called “January Indicator” is frequently cited in the popular press. But is this indicator valid? The accompanying table summarized the relevant changes in the Dow Jones Industrial Average for the period December 31st, 1927 to January 31st, 1981. Based on your analysis, do the data appear to confirm the validity of the January indicator?
Next 11 month change
Up Down
Up 25 10
January change
Down 9 9