The Halloween Effect

Ghosts, ghouls, goblins, and spooky math

The Halloween Effect might just be more of a trick than a treat — think less chocolate and more witch’s brew. The last day of October/beginning of November marks the start of a six-month period (November 1-April 30) during which, historical evidence shows, stocks worldwide have performed better when compared with the other six months of the year (May 1-October…