how do you do cumulative residuals what is the cumulative residual mean why are residuals mean reverting on index returns why are the cumulative residuals from the regression on stock and index returns mean reverting what does cumulative residual mean in a regression which is the correct definition of cumulative residuals why is the cumulative residuals from the regression on stock return mean reverting why is the cumulative sum of residuals referred to as mean reverting what is meant by cumulative residual why do cumulative residuals mean reverting? why do residuals mean reverting in regression why are cumulative residuals mean reverting? what is cumulative residual what is mean reverted in etf which of the following is the mean reverting process? why is the cumulative residuals of regression mean reverting? why are cumulative residuals mean reverting how do cumulative residuals work for regression does cumulative residuals mean mean return on stock why are residuals mean reverting