Tomorow will be the last trading day (LTD) of April.
As explained in the 2014 edition of the Almanac the LTDs of months used to be stronger than average, but in recent years they have been weak.
Since 1984 the index average return on the April LTD has been 0.17%. From 2000 the index average return on this day has been weaker at 0.09%.
The following chart shows the FTSE 100 Index returns for every April LTD since 1984.