http://www.dbc.com/cgi-bin/htx.exe/forms/future.html?source=core/dbc Website
Futures Symbols Use a year-code digit at the end of each symbol. Example: Cocoa, September, 1996 is "CC=U6".For cash index symbols, always use ZERO as the year-code. Example: S&P 500, Cash is "IN=X0"
added by dja on 2007-04-09 08:34:51