Guide to Reference Data Services

This document is a guide to the reference data services available on the Turquoise Millennium Exchange platform. It outlines the purpose of the reference data service, which is to standardize the reference data model in accordance with other venues under the London Stock Exchange Group (LSEG). The guide specifies that files not listed will no longer be supported, thus providing critical information for Turquoise customers. It is particularly relevant for trading and technical staff within member firms, information vendors, and other market participants interested in accessing Turquoise reference data. The document also includes details on service parameters, access methods, and directory structures. Additionally, it provides information on customer testing and various data file layouts, including instrument and price tick file record layouts, ensuring that users can effectively utilize the reference data services offered.