Dow Down Days

Graph of the 100 greatest single-day percent (%)
DROPS on the NYSE big board from 12/31/1914 to 10/20/2000.
Nearly 86 years containing 21,629 market days.
Each of the 12 months of the year is divided into 2
equal parts or 1/2 months making 24 parts total.


Down    During
 Day     this
Count   Period    Histogram
                                                           
  2    Jan  1-15  
  3    Jan 16-31  
  2    Feb  1-15  
  3    Feb 16-28  
  0    Mar  1-15
  4    Mar 16-31  
  3    Apr  1-15  
  2    Apr 16-30  
  4    May  1-15  
  6    May 16-31  
  4    Jun  1-15  
  4    Jun 16-30  
  2    Jul  1-15  
  6    Jul 16-31  
  3    Aug  1-15  
  1    Aug 16-31  
  9    Sep  1-15  
  9    Sep 16-30  
  8    Oct  1-15  
 13    Oct 16-31  
  5    Nov  1-15  
  3    Nov 16-30  
  2    Dec  1-15  
  2    Dec 16-31  
---
100 Down Days

Notice that the graph is a little light from December
through April (5 months) and heavy during September and October.

10/21/2000 By Jim Shook Home

Dow Jones & Company
The Wall Street Journal