Chicago Mercantile Exchange Inc.

SPAN® Information Pages

updated 08 August 2002

These pages contain certain technical information about SPAN and PC-SPAN® such as SPAN file formats.

Contents:

• PC-SPAN version 4 -- everthing about PC-SPAN, including:
   
  • Complete online documentation for PC-SPAN
     
  • Ordering PC-SPAN
     
  • PC-SPAN Software Distribution website -- for registered users to download the latest release
     
  • Using PC-SPAN version 4.02 for TRAKRS^SM (August 8, 2002)
     
  • Using PC-SPAN version 4 for the Paris markets (September 24, 2001)
     
• File formats:
   
  • SPAN risk parameter files -- "flat" files -- record layouts for the SPAN files composed of fixed-length records -- the unpacked format, the packed format, the expanded-unpacked format, and the Paris-expanded format
     
  • XML-based SPAN risk parameter files -- complete documentation for the new-and-improved XML-based SPAN file format -- updated
     
  • Daily Adjustment History files -- "flat" file format, and XML-based format
     
  • PC-SPAN position files -- "flat" file formats  -- for the original format and the expanded format-- record layouts for the position files for loading position data into PC-SPAN
     
  • XML-based PC-SPAN position files -- documentation for the new-and-improved XML-based PC-SPAN position file format
     
  • Other XML formats recognized by PC-SPAN  

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