Market DataCHX is pleased to announce the CHX Book Feed market data product is now available for subscription. The CHX Book Feed is a real-time low latency multicast broadcast of Matching System displayable orders and trade activity. Full depth of book prices, participant order attribution and system and stock event messages are also disseminated by the CHX Book Feed. How to Subscribe All subscribers must complete the following: CHX Book Feed RECEIPT & USE Agreement (for entities obtaining data directly from CHX) CHX Book Feed Subscriber Agreement (for entities obtaining data from any non-CHX source) Technical Specifications CHX Book Feed Interface (PDF) updated November 2007 Attribution and Anonymity Order Entry Options (PDF) updated November 2007 Contact Information Celeste Gianfrancisco
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