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Technical Documents

CHX Book Feed Interface CHX Book Feed Interface - updated 09-Jul-2015

CHX FIX Interface Specification CHX FIX Interface Specification - updated 03-May-2017

CHX Limit Order Reconciliation User Guide CHX Limit Order Reconciliation User Guide - updated 01-Aug-2007

CHX Risk Management Tools Technical UI Guide CHX Risk Management Tools Technical UI Guide - updated 15-Oct-2014

CHX Risk Management Web Interface Protocol CHX Risk Management Web Interface Protocol - updated 01-Nov-2013

DAS Interface Specification DAS Interface Specification - updated 03-May-2017

FIX Designated Routing FIX Designated Routing - updated 01-Jun-2007

FIX Interface – Drop Copy Execution FIX Interface – Drop Copy Execution - updated 01-Aug-2007

FIX Interface -- Vendor Layoff Specification FIX Interface -- Vendor Layoff Specification - updated 01-Jul-2012

Off-Exchange Market Maker Open Order & Corporate Action Submission Guide Off-Exchange Market Maker Open Order & Corporate Action Submission Guide - updated 01-Oct-2007

Routing Users' Guide Routing Users' Guide - updated 01-Dec-2007