Record layouts for APS, Edit, GPS, GUS, Large Trader, Settlement File, Trade Register file and Trex Record are listed here. Use  Adobe Acrobat Reader® to view these documents.

• BPS File Layout (PDF) (updated October 2005)
• CBOT Broker Listing File Layout (PDF) (updated September 2003)
• CBOT Firm Listing File Layout (PDF) (updated September 2003)
• CBOT Owner/Delegate Fee Tier Structure File Layout (PDF) (updated September 2003)
• CME Commodity Codes/Price Formats (PDF) (updated May 2002)
• Daily Adjustment History File Layout (updated September 06)
• Delivery Long Data File Layout (PDF) (updated September 2003)
• Edit File Layout (PDF) (updated April 2006)
• GPS Record File Layout (PDF) (updated June 2007)
• GUS API MQM Message Types (PDF) (updated September 2002)
• Larger Trader Record File Layout (PDF) (updated April 2006)
• Related Accounts & Member Accounts File Layout (PDF) (updated June 1991)
• Settlement Price Record File Layout (PDF) (updated September 2006)
• Trade Register Record File Layout (PDF) (updated June 2004)
• Trade Exchange (TREX) Record Layout Version 2.4.3 (PDF) (updated September 2006)