Historically Thanksgiving week has shown some very strong tendencies. Last year in the 11/23/09 blog I broke down the returns by day of the week. I have updated that table below.
Monday and Tuesday before Thanksgiving don’t seem to carry a sizable edge. Monday’s total return was actually negative until 2008 when it posted a gain of over 6%. Wednesday and Friday surrounding Thanksgiving have shown strong upside tendencies and the Monday after has shown a sizable downside tendency.