The average return in the Dow during that time for the year following a Mid Term Election Year has been an amazing 15.7%

Yearly Return of the Dow since 1943 following a Mid Term Election Year
Year

Return

1943 up 13.8 %

1947 up 2.2 %

1951 up 14.4 %

1955 up 20.8 %

1959 up 16.4 %

1963 up 17 %

1967 up 15.2 %

1971 up 6.7 %

1975 up 38.3 %

1979 up 4.2 %

1983 up 20.3%

1987 up 2.3 %

1991 up 20.3 %

1995 up 33.5 %

1999 up 25.2 %

2003 up 25.3 %