Technical Documents

CHX FIX Interface (PDF) updated January 2008

DAS Interface (PDF) updated January 2008

FIX Interface – Drop Copy Execution (PDF) updated August 2007

FIX Designated Routing (PDF) updated June 2007

CMS Designated Routing (PDF) updated June 2007

Link CMS Specification (PDF) updated January 2008

CHX Book Feed Interface (PDF) updated November 2007

Routing Users' Guide (PDF) updated December 2007

Off-Exchange Market Maker Open Order & Corporate Action Submission User Guide (PDF) updated October 2007

CHX Limit Order Reconciliation User Guide (PDF) updated August 2007

Attribution and Anonymity Order Entry Options (PDF) updated November 2007

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