IT Documentation by type

This document describes the functional and technical requirements related to the implementation of the Large in Scale features on the Central Order Book.

Euronext is introducing new Large-in-Scale (LiS) features on the Central Order Book. The service will create more opportunities to execute LIS orders, leveraging existing liquidity in the central order book. As soon as market participants implement the necessary modifications required to use the model, including conformance tests, they will immediately be able to benefit from the existing invisible liquidity. The new service is now available for testing on the External User Acceptance (P-EUA) test platform. The launch in Production is planned for the first quarter of 2019.

This document provides you the exhaustive list of changes introduced by the implementation of the SBE Template 116 (versus SBE template version 109) on OEG and MDG messages, fields and values as well as the standing data files.