On Feb. 14, 2025, Cboe AST said reference data files will include additional fields for auctions and corporate actions to indicate eligible symbols from Mar. 17, 2025.
The updates will be reflected in production environment versions of CXATSL, CXALSL.
On May 2, Cboe AST issued notices on post-only, multi-day order.
Cboe AST published technical and compliance notices re expected new functionality (which is subject to regulatory clearance) throughout 2024 and beyond, including the introduction of post-only orders, multi-day orders and actions on CXA symbols.
Follows Cboe AST May 2, 2024 issued consultation paper re post only order, #210722.
Post-Only Order
On May 2, 2024, Cboe AST proposed post-only optional order attribute to provide participants with surety of lit orders resting on entry, see further #210722.
Review the draft FIX & BOE specifications & consultation paper 02/2024 re the order.
BOE users should review the changes to the order acknowledgement message .
The post only order attribute will be deployed to the Cboe tech certification environment from May 20, 2024; further details will be provided in due course.
It is expected to be available from Jun. 24, 2024, subject to regulatory clearance.
Multi-Day Order, Auctions
Multi-day orders (GTC and GTD) on Cboe AST symbols are optional order time-In-force attributes available to participants who require multi-day orders.
Auctions on Cboe AST symbols will be introduced for opening and closing liquidity events as part of the planned launch of a corporate listing function for Cboe AST.
Cboe AST issued consultation paper 01/2024 re listings for further information on the multi-day orders and auctions proposals including proposed revision to operating rules.
Additional information
2024 roadmap overview includes a target timeline for the new functionality and a matrix clarifying which technical interfaces are impacted by which functionality.
Product description documents of post-only orders, multi-day orders and auctions.
Updated technical specifications of FIX order entry and drop copies, BOE order entry, multicast depth of book (PITCH) specification, TOP market data, reference data files.
Jul. 2024 Availability
On Jul. 3, 2024, Cboe AST issued notice outlining implementation of multi-day order for Cboe AST symbols; to be available in certification environment from Jul. 15, 2024.
Participants are advised to test the optional order in certification environment, are encouraged to upgrade to the new versions of these messages as soon as practicable.
Aug. 2024 Technical Notice on New Functionalities
On Aug. 15, 2024, Cboe AST issued technical notice re new functionalities; new multi-day orders are expected to be available from Sep. 23, 2024, subject to approval.
Updates to relevant documentation have been made to reflect these changes.
Target dates have been provided for Cboe Tech Certification, availability in production environment for auctions on CXA symbols, also subject to regulatory approval.
BOE messaging updates include transition from BOE V1 messages to V2 by Feb. 2025.
FIX specification updates include ability to amend the ExpireDate of GTD orders; new specifications for handling system-purged multi-day orders and their amendments.
Sep. 10, 2024 Additional Technical Notice
On Sep. 10, 2024, Cboe AST explained that the GTC as well as GTD orders on Cboe AST symbols will be available in the production environment from Sep. 30, 2024.
Operating rule procedures will be revised, notice re same will be issued Sep. 23, 2024.
Cboe AST informed that the 2024 roadmap overview has been revised as well.
This technical notice (of Sep. 10) includes details of clarifications to specifications.
Complete rule framework for multi-day orders now published, majority of rule framework for auctions introduced, with minor changes to support future listings.
Cboe AST to continue engagement, technical development for auction functionality.
New rules and procedures come into force from commencement of business, Sep. 23.
Sep. 27, 2024 Available Orders
On Sep. 27, 2024, Cboe AST said multi-day orders for Cboe Australia quoted symbols will be available in the production environment from Sep. 30, 2024.
From Sep. 30, the additional fields for multi-day orders in reference data files will be included in the production environment versions of the CXA securities list report (CXATSL) and extended securities list report (CXALSL) files that are published.
Certification environment versions have included these additional fields since Aug. 19.
Nov. 2024 Auctions for Quoted Symbols
On Nov. 14, 2024, Cboe AST said Cboe AST quoted symbol auctions are expected to be available in certification environment from Nov. 18, pending regulatory approval.
Clients need to review, test updated PITCH, TOP specifications to prepare for auctions.
Technical updates for auctions include changes to FIX order entry; BOE order entry; PITCH, TOP market data; Cboe global cloud feed, with updates shown in red.
Cboe AST also plans to sunset legacy BOE V1 messages in Mar. 2025, aligning with auctions launch; clients are encouraged to migrate to BOE V2 message formats ASAP.
In Dec. 2024, Cboe AST issued roadmap re 2025 functionality rollouts, see #236762.
Feb. 2025 Confirmation of Quoted Symbols
On Feb. 14, 2025, Cboe AST said reference data files will include additional fields for auctions and corporate actions to indicate eligible symbols from Mar. 17, 2025.
The updates will be reflected in production environment versions of CXATSL, CXALSL.
Regulators
Cboe AST
Entity Types
B/D; Corp; Exch
Reference
Nt 0003/25, 2/14/2025; Nt 0025/24, 11/14/2024; Nt 0020/24, 9/27/2024; Nt 0006/24, 9/23/2024; Nt 0019/24, 9/10/2024; Nt 0017/24, 8/15/2024; Nt 0014/24, 7/3/2024; Nt 0002/24, 0003/24, 0005/24, 5/2/2024
