This document sets out the client connectivity configuration specifications for Optiq® Order Entry Gateways (OEG). It describes the sources of data for connectivity, manner in which clients should attempt to connect to the OEGs. Additionally, this document contains the details of Cancel on Disconnect service, OEG Throttling, and High Availability & Business Continuity functionalities. This document is a supporting document to the interface technical specifications.

This document sets out the client connectivity configuration specifications for Optiq® Order Entry Gateways (OEG). It describes the sources of data for connectivity, manner in which clients should attempt to connect to the OEGs. Additionally, this document contains the details of Cancel on Disconnect service, OEG Throttling, and High Availability & Business Continuity functionalities. This document is a supporting document to the interface technical specifications.

This document sets out the client connectivity configuration specifications for Optiq® Order Entry Gateways (OEG). It describes the sources of data for connectivity, manner in which clients should attempt to connect to the OEGs. Additionally, this document contains the details of Cancel on Disconnect service, OEG Throttling, and High Availability & Business Continuity functionalities. This document is a supporting document to the interface technical specifications.

This document sets out the client connectivity configuration specifications for Optiq® Order Entry Gateways (OEG). It describes the sources of data for connectivity, manner in which clients should attempt to connect to the OEGs. Additionally, this document contains the details of Cancel on Disconnect service, OEG Throttling, and High Availability & Business Continuity functionalities. This document is a supporting document to the interface technical specifications.

This document provides Euronext customers with functional and technical details regarding the direct distribution of bonds on the occasion of an Initial Bond Offering (hereinafter the “Direct Distribution Service”) available on the Optiq® trading system, with reference to the Bond segment (Euronext Access Milan, MOT).

Fixed Income clearing migration - ISINs for client testing

This document provides Euronext customers with functional and technical details regarding the centralization of the retail demand through the Optiq® trading system on the occasion of an Initial Public Offer (hereinafter the “IPO Centralization”) on Euronext Paris and Euronext Growth Paris markets.

ISINs for Client Testing - Euronext European Offering

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to describe Cash Market Kinematics for Optiq Order Entry Gateway (OEG) and Market Data Gateway (MDG).

The purpose of this document is to describe Cash Market Kinematics for Optiq Order Entry Gateway (OEG) and Market Data Gateway (MDG).

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.370 

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

The purpose of this document is to detail the structure and the usage of each message that is produced by Drop Copy Third Party.

The purpose of this document is to detail the structure and the usage of each message that is produced by Drop Copy Third Party.

This document is about the Drop Copy Service that provides, nearly, a real-time copies of required information produced by Optiq under trade reports and order messages format.

This document is about the Drop Copy Service that provides, nearly, a real-time copies of required information produced by Optiq under trade reports and order messages format.

This document is about the Drop Copy Service that provides, nearly, a real-time copies of required information produced by Optiq under trade reports and order messages format.

This document is about the Drop Copy Service that provides, nearly, a real-time copies of required information produced by Optiq under trade reports and order messages format.

The purpose of this document is to describe the Euronext Stream Pro Solution.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

Euronext has developed a suite of reporting services to support clients to meet their obligations under the Markets in Financial Instruments Directive II and as amended and transposed into the laws of the United Kingdom pursuant to the European Union (Withdrawal) Act 2018 and the European Union (Withdrawal Agreement) Act 2020 (“UK MiFID II”).

Euronext has developed a suite of reporting services to support clients to meet their obligations under the Markets in Financial Instruments Directive II and as amended and transposed into the laws of the United Kingdom pursuant to the European Union (Withdrawal) Act 2018 and the European Union (Withdrawal Agreement) Act 2020 (“UK MiFID II”).

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.369

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe the Optiq Market Data Gateway.

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe Cash Market Kinematics for Optiq Order Entry Gateway (OEG) and Market Data Gateway (MDG).

The purpose of this document is to describe Cash Market Kinematics for Optiq Order Entry Gateway (OEG) and Market Data Gateway (MDG).

The purpose of this document is to describe all the files required for Trading on Optiq platform.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

Euronext Optiq Market Data Gateway MDG Lite Client Specifications - v1.3

Euronext Optiq Market Data Gateway MDG Lite Client Specifications - v1.3 + TC

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.366

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

This document sets out the client messages specifications for Optiq OEG using the SBE format. More specifically, it describes the contents of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to set out the client messages specification for Optiq OEG using FIX 5.0 format. More specifically, it describes the content of administrative and application messages and provides detailed field descriptions.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe the Optiq Market Data Gateway.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

The purpose of this document is to describe all the files required for Trading on Optiq platform.

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.365

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway Production and Disaster Recovery (DR)

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway Production and Disaster Recovery (DR)

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway External User Acceptance (EUA). Only shaped data is provided in the test environment. In order to ensure a Production-like test environment, separate IP addresses and ports are used to replicate the Production ‘shaped’ and ‘unshaped’ configuration.

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway External User Acceptance (EUA). Only shaped data is provided in the test environment. In order to ensure a Production-like test environment, separate IP addresses and ports are used to replicate the Production ‘shaped’ and ‘unshaped’ configuration.

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway External User Acceptance (EUA). Only shaped data is provided in the test environment. In order to ensure a Production-like test environment, separate IP addresses and ports are used to replicate the Production ‘shaped’ and ‘unshaped’ configuration.

This document provides all multicast addresses required to access the Euronext Optiq® Market Data Gateway External User Acceptance (EUA). Only shaped data is provided in the test environment. In order to ensure a Production-like test environment, separate IP addresses and ports are used to replicate the Production ‘shaped’ and ‘unshaped’ configuration.

optiq_ctp_gateway_equities_binary_sbe_input_370

optiq_ctp_gateway_bonds_binary_sbe_input_370

euronext_stream_pro_standard_binary_sbe_input_370

euronext_stream_pro_regulatory_binary_sbe_input_370

external_drop_copy_messages_binary_sbe_input_370

mdg_binary_sbe_input_370

oeg_binary_sbe_input_370

ETPs subject to Trading Group and Settlement System changes - Effective 24 September 2026

ETPs - Trading Group and Settlement System change on 21 September 2026
 

Equities - Trading Group and Settlement System change on 21 September 2026

ETPs on Paris market changing place of settlement as of 1 September 2026
 

optiq_ctp_gateway_equities_binary_sbe_input_369

optiq_ctp_gateway_bonds_binary_sbe_input_369

euronext_stream_pro_regulatory_binary_sbe_input_369

euronext_stream_pro_standard_binary_sbe_input_369

external_drop_copy_messages_binary_sbe_input_369

mdg_binary_sbe_input_369

oeg_binary_sbe_input_369

euronext_stream_pro_regulatory_binary_sbe_input_367

euronext_stream_pro_standard_binary_sbe_input_367

optiq_ctp_gateway_bonds_binary_sbe_input_367

optiq_ctp_gateway_equities_binary_sbe_input_367

external_drop_copy_messages_binary_sbe_input_367

mdg_binary_sbe_input_367

oeg_binary_sbe_input_367

optiq_ctp_gateway_bonds_binary_sbe_input_365

euronext_stream_pro_standard_binary_sbe_input_365

optiq_ctp_gateway_equities_binary_sbe_input_365

mdg_binary_sbe_input_365

oeg_binary_sbe_input_365

external_drop_copy_messages_binary_sbe_input_365 (1)

Derivatives Trading & Clearing projects roadmap 2026-Q1 2027, linked to the Info-Flash IF260327CADE

The purpose of this document is to provide Euronext clients with the agenda and the guidelines related to the Euronext 2025 Disaster Recovery Test.

Derivatives and ETF Trading & Clearing projects roadmap 2026-Q2 2027

EU T+1 Settlement High-level test strategy and readiness plan