THE SOFTWARE HORROR PICTURE SHOW
Vancouver Stock Exchange Index, 1983

The Vancouver Stock Exchange instituted a new index initialized to a value of 1000.000 in 1982. The index was updated after each transaction. Twenty two months later it had fallen to 520, which should have given a value of 1098.892.


Several Sources:

catless.ncl.ac.uk/Risks/3.41.html
www.csc.fi/math_topics/Mail/NANET99-4/msg00085.html
www.theregister.co.uk/2001/03/19/dow_jones_average_collapses/
ftp://thales.cs.umd.edu/pub/misc/roundtalk.ps
catless.ncl.ac.uk/Risks/21.28.html