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Equity Market Working Group

Purpose

The ASX Equity Market Working Group is the primary forum for engagement with stakeholders for the ASX equities market and the ASX Trade platform.

Responsibilities

  • To provide updates to enable stakeholders to efficiently plan and allocate resources.
  • Feedback from stakeholders plays a pivotal role in defining and shaping industry-wide readiness activities.

FAQs

We appreciate your queries. Please see below for responses to frequently asked questions.
 

Updated as at 16 April 2025

Explainer videos

ASX has published two videos to explain the following changes:

  • Removing the staggered opening rotation and support a single opening time
  • New post close trading session 

Latest updates

Friday 14 March 2025

The fourth Equity Market Working Group provides an update on:

  • CDE+ roadmap inc. capacity testing
  • FIX Drop Copy onboarding & conformance testing
  • industry wide testing
  • SR15 connectivity and post close trading fees
  • resume timers for price sensitive announcements
  • ASX Operating Rule Procedures and Appendices.

Friday 8 November 2024

ASX has published target Industry Wide Testing and Go Live dates for SR 15.

For full details, please refer to the ASX Market Notice here.

EventDate
IWT 1Saturday 12 April 2025
IWT 2 - ASX Trade BCP weekendSaturday 3 May 2025
IWT 3 - Go live readinessWednesday 21 June 2025
Go-liveFriday 23 June 2025

Friday 27 September 2024

The third Equity Market Working Group provides an update on:

  • CDE+ roadmap
  • open single price auction review
  • FIX & MDF functionality
  • network infrastructure changes.

Friday 14 June 2024

The second Equity Market Working Group provides updates on SR14 & SR15 scope & timeline.

  • CDE+ Roadmap updates with specific updates for Drop 2 (SR15).
  • Functional updates related to Self Matched Prevention, Trading Halts and other proposed changes.
  • Overview of supported FIX functionality.
  • Overview of Market Data Feed (MDF) functionality.

Friday 1 March 2024

Service Release 15 (SR15) - will deliver a number of functional and non-functional enhancements including:

  • Removing the opening auction stagger with a single random open time for equities and ETFs, aligning ASX with other global exchanges and reduce the window of volatility.
  • Introduction of a post close trading session that provides participants an opportunity to trade additional liquidity at the closing auction price.
  • Simplifying reporting of block & late trade reportings, removing complexity.
  • Introduction of a FIX gateway service for order entry and drop copy.
  • Protocol replacement for OMNet users  ITCH + for ASX market data providing information not included in standard ITCH. This will assist some customers looking to retire OMNet.

Project documentation

NameDate of publication
ASX Trade FIX Drop Copy Specification14 May 2025
ASX Trade OUCH Message Specification30 April 2025
SR15 OMNet and OUCH Changes30 April 2025
ASX Trade –Second Industry Wide Test (IWT) for Service Release 15 and BCP – Saturday 3 May 202528 April 2025
ASX Trade Service Release 15 – Update16 April 2025
ASX Trade – First Industry Wide Test (IWT) for Service Release 15 – Saturday 12 April 202512 April 2025
Amendments to the ASX Operating Rule Procedures – ASX Service Release 159 April 2025
SR 15 bug fixes and known issues9 April 2025
Post close trading session guide24 March 2025
ASX Trade – First Industry Wide Test (IWT) for Service Release 1525 February 2025
ASX Trade ITCH Message Specification17 December 2024
SR15 FIX Drop Copy CDE+ Connectivity Guide5 December 2024
SR15 FIX Features and Comparison with OMNet and OUCH18 November 2024
Block and Late Trade Reporting Guide1 November 2024
ASX Trade Markets, Instruments Groups and Trade Condition Codes28 October 2024
Trading halt improvements guide19 June 2024
Removal of staggered opening rotation9 April 2024