Type: Functional Overview
Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.370.0 + TC Optiq Order Entry

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.

Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.370.0 Optiq Order Entry

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.

Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.369.1 + TC Optiq Order Entry

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.

Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.369.1 Optiq Order Entry

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.

Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.363.0 Optiq Order Entry

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.

Optiq OEG Service - Euronext Cash and Derivatives Markets - Interface Specification - External - v6.363.0 + TC Optiq Order Entry

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.

Type: Specifications
Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 + TC Optiq Order Entry

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.

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 + TC Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 Optiq Order Entry

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 Optiq Order Entry

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 + TC Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 Optiq Market Data
Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 + TC Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.370.0 Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.3 + TC Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.3 Optiq Market Data

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.369 Optiq Order Entry

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

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.1 + TC Optiq Order Entry

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.

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.1 Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.1 + TC Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.1 Optiq Order Entry

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 MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.2 + TC Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.369.2 Optiq Market Data
Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 + TC Optiq Order Entry

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.

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 + TC Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External – v6.367.1 Optiq Order Entry

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 MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 + TC Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 Optiq Market Data
Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 + TC Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.367.1 Optiq Market Data

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

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.3 Optiq Order Entry

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.

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.3 + TC Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.2 Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.2 + TC Optiq Order Entry

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 MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.3 Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.3 + TC Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.0 + TC Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.365.0 Optiq Market Data

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

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.2 Optiq Market Data, Optiq Order Entry

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

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.2 + TC Optiq Market Data, Optiq Order Entry

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

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.1 Optiq Market Data, Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.1 + TC Optiq Market Data, Optiq Order Entry

PURPOSE 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 Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.364.0 Optiq Market Data

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

Optiq OEG TCS Error List - Technical Specifiations - Euronext Cash and Derivatives Markets - External - v.364 Optiq Order Entry

Optiq OEG TCS Error List - Technical Specifiations - Euronext Cash and Derivatives Markets - External - v.364

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.1 Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.0 + TC Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.0 Optiq Order Entry

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 MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.3 + TC Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.3 Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.3 Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.3 + TC Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.2 Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.2 + TC Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.0 Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.0 + TC Optiq Market Data
Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.1 Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.363.1 + TC Optiq Market Data

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.6.363 Optiq Order Entry

Optiq OEG TCS Error List - Technical Specifiations - Euronext Cash and Derivatives Markets - External - v.6.363

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.6.362 Optiq Market Data, Optiq Order Entry

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.6.362

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.0 Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.0 + TC Optiq Market Data
Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.0 + TC Optiq Order Entry

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.

Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.0 Optiq Order Entry

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.

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.362.0 Optiq Order Entry

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 Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 Optiq Market Data

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

Optiq Files - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Market Data

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

Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 Optiq Market Data
Optiq MDG Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Market Data
Optiq OEG SBE Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Market Data, Optiq Order Entry

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.

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.6.361 Optiq Order Entry

Optiq OEG TCS Error List - Technical Specifications - Euronext Cash and Derivatives Markets - External - v.6.361

Optiq OEG MDG - Kinematics Specification - Euronext Cash Markets - External - v6.361.0 + TC Optiq Market Data, Optiq Order Entry

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

Optiq OEG FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 Optiq Order Entry

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 FIX 5.0 Messages - Interface Specification - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Order Entry

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.

Type: Connectivity Documents
Optiq MDG Production Connectivity - Euronext Cash and Derivatives Markets - External - v6.370.0 + TC Optiq Market Data

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

Optiq MDG Production Connectivity - Euronext Cash and Derivatives Markets - External - v6.370.0 Optiq Market Data

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

Optiq MDG Production Connectivity - Euronext Cash and Derivatives Markets - External - v6.361.0 Optiq Market Data

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

Optiq MDG Production Connectivity - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Market Data

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

Optiq MDG EUA Connectivity - Euronext Cash and Derivatives Markets - External - v6.361.0 Optiq Market Data

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 MDG EUA Connectivity - Euronext Cash and Derivatives Markets - External - v6.361.0 + TC Optiq Market Data

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

Type: Sample Files
external_drop_copy_messages_binary_sbe_input_370 Optiq Market Data
mdg_binary_sbe_input_370 Optiq Market Data
oeg_binary_sbe_input_370 Optiq Order Entry
external_drop_copy_messages_binary_sbe_input_369 Optiq Market Data
mdg_binary_sbe_input_369 Optiq Market Data
oeg_binary_sbe_input_369 Optiq Order Entry
mdg_binary_sbe_input_367 Optiq Market Data
oeg_binary_sbe_input_365 Optiq Order Entry
external_drop_copy_messages_binary_sbe_input_364 Optiq Market Data
oeg_binary_sbe_input_364 Optiq Order Entry
mdg_binary_sbe_input_364 Optiq Market Data
oeg_binary_sbe_input_363 Optiq Order Entry
external_drop_copy_messages_binary_sbe_input_362 Optiq Market Data
mdg_binary_sbe_input_362 Optiq Market Data
oeg_binary_sbe_input_362 Optiq Order Entry
external_drop_copy_messages_binary_sbe_input_361 Optiq Market Data
mdg_binary_sbe_input_361 Optiq Market Data
oeg_binary_sbe_input_361 Optiq Order Entry
Type: Dress Rehearsal Documents
Euronext Disaster Recovery Test 24 October 2026 - Guidelines for Participants Data Centre Services, Optiq Market Data, Optiq Order Entry

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