Ok, maybe it is not fair to call years ending in seven a curse. But years ending in seven have had a checkered record. Since 1830, the Dow Jones Industrials (DJI) has recorded nine up years and nine down years ending in seven. Years ending in seven have the second worst year record for the DJI. The leader or, in this case, the biggest loser is years ending in three. Its record is nine up years and ten down years. As to the biggest winner, well, that honour goes to years ending in five with a record of sixteen up years vs. three down years.
Years ending in seven are the leader in one category. They have the most losses totalling 20% or more. The total is four. 1857 saw the DJI lose 31%, in 1907 the DJI was down 37.7%, in 1917 the DJI dropped 21.7%, and finally in 1937 the DJI fell 32.8%. Years ending in seven have also been, overwhelmingly, associated with stock market panics and crashes. Note the following: