IT Documentation by type

The intended audience of this document is any client of trading activities (Trading Member Firm, ASP, ESP, ISV, Data Vendor)¹ on the:

- Legacy Euronext markets: already connected to Optiq® for the other markets operated by Euronext - Italian markets: connected to Borsa Italiana markets and moving to Optiq®, TCS and/or Saturn (reporting) features

¹ Please note that dedicated migration guidelines for issuers will also be issued.

This specification document is related to the Euronext Saturn Web Services, part of Euronext’s Reporting Services. Saturn offers a REST API which is used to access the services of the gateway. The purpose of this document is to describe the technology and the supported messages.

This specification document is related to the Euronext Saturn Web Services, part of Euronext’s Reporting Services. Saturn offers a REST API which is used to access the services of the gateway. The purpose of this document is to describe the technology and the supported messages.

Euronext Saturn MIFID II Commodities Positions Reporting v1.14

Template of the Position Holder Form

The purpose of this document is to provide customers with a description of all the reporting types authorized by Euronext’s reporting tool, Saturn, and an explanation of all the possible error codes received.

The APA/ARM sections of this document complIes with the UK DRSP regulatory framework governance.

This specification document is related to the Euronext Saturn Web Services, part of Euronext’s Reporting Services. Saturn offers a REST API which is used to access the services of the gateway. The purpose of this document is to describe the technology and the supported messages.

This specification document is related to the Euronext Saturn Web Services, part of Euronext’s Reporting Services. Saturn offers a REST API which is used to access the services of the gateway. The purpose of this document is to describe the technology and the supported messages. (Track Changes included)

This document should be read by clients who have subscribed to one of the following EU and UK MiFID II Euronext Reporting Services: ■ Transaction Reporting on Euronext Markets conducted directly by Euronext Members; ■ Transaction Reporting on Euronext Markets conducted by Euronext Members not Subject to EU and UK MiFID II; ■ ARM transaction reporting service; ■ APA Post-Trade publication service; ■ APA Pre-Trade publication for a SI (Systematic Internaliser) ; ■ OBOE (Off Book On Exchange) services (Track Changes included)

This document should be read by clients who have subscribed to one of the following EU and UK MiFID II Euronext Reporting Services: ■ Transaction Reporting on Euronext Markets conducted directly by Euronext Members; ■ Transaction Reporting on Euronext Markets conducted by Euronext Members not Subject to EU and UK MiFID II; ■ ARM transaction reporting service; ■ APA Post-Trade publication service; ■ APA Pre-Trade publication for a SI (Systematic Internaliser) ; ■ OBOE (Off Book On Exchange) services

This document should be read by clients who have subscribed to one of the following EU and UK MiFID II Euronext Reporting Services: ■ Transaction Reporting on Euronext Markets conducted directly by Euronext Members; ■ Transaction Reporting on Euronext Markets conducted by Euronext Members not Subject to EU and UK MiFID II; ■ ARM transaction reporting service; ■ APA Post-Trade publication service; ■ APA Pre-Trade publication for a SI (Systematic Internaliser) ; ■ OBOE (Off Book On Exchange) services

The purpose of this document is to provide a support and examples on Webservices usage for SATURN application, more specifically on the API (Application Programming Interface) setup with XML format.

The purpose of this document is to introduce the Short Long Code (SLC) Manager GUI and API as well as data requirements for the submission of a mapping between short codes and long codes for Euronext Cash and Derivative Markets, Euronext Synapse, Euronext Block MTF, Sigma-X and Bourse de Luxembourg.

This document is intended for all clients who use Saturn services.

This document describes the Euronext Dublin & Oslo On Exchange Off Book trade reporting facility. The objective is to give an overview of the functionality as well as the main system rules associated to these facilities.

This client specification document is related to the Euronext Saturn Web Services, part of the Euronext Global Reporting Solution dedicated to answer the MiFID II reporting and publication requirements. Saturn offers a REST API which can be used to access the reporting services. The purpose of this document is to describe the technology and the supported messages for Commodity Position Reporting requirements under MiFID II

Euronext informs customers that a new version of the Saturn Regulatory Reporting Solution is available in P-EUA with the production released in July 2019.
This release of Saturn covers the new “Transaction Recovery” functionality.

Short and long code mapping submission process to Euronext Saturn for purposes of Order Storage
under MiFID II

Sample file for Saturn OBOE upload file

Sample file for Saturn APA ARM upload file

This document describes the Euronext Global Reporting Solution concerning the Euronext APA/ARM Services as well as the transaction modalities for Euronext Members not subject to MIFIR and the Cleared OTC Trade Facility. The objective is to give an overview of the services and functionalities. For more detailed information Market participants have to refer to the related documentation described below.

Euronext Data Centre - Migration Guidelines v2.3

Euronext Secure Communications Standards v1.0

The purpose of this document is to provide clients with a description of the Saturn conformance test.

The intended audience of this document is any client intending to connect to and trade on the Oslo Børs markets using Optiq® and or Saturn features.

The second Oslo Optiq Technical User Group presentation that was held as a webcast.

This document details the Euronext policy and accompanying procedures for
(i) any party involved in developing, testing or deploying in-house or ISV (independent software vendor) trading applications that interoperate with the Euronext Trading Platform;
(ii) ISVs who develop, test and deploy trading applications that interoperate with the Euronext Trading Platform;
(iii) Application Service Providers (ASP) and hosted solutions that enable use of the Euronext Trading Platform; and
(iv) any party involved in using algorithms for trading purposes.

Note: The APA/ARM sections of this document complies with the UK DRSP regulatory framework governance.

The first Oslo Optiq Technical User Group presentation that was held in Oslo, Stockholm, and London.

The Oslo Optiq Technical User Group presentation that was held as a webcast for Conformance testing.