Notice

3 Year Treasury Bond Future Tick Increment Change: Customer Testing

What's this about:
  • ASX 24 Market
  • Trading
  • Clearing
  • Settlement
  • Rates
  • Interest Rate Futures
  • Product
  • Operations
  • Rules
  • 3 Year
  • 3 Year Bond Futures
  • 3 Year Treasury Bond Futures
  • YT
  • Half-tick
  • half tick
  • 0.5 basis points
  • 0.5 bps
  • minimum price increment
Notice reference number: 0479.25.05
Date published: 19/05/25
Effective as of: 19/05/25
Last updated: 19/05/25

As per Notice 0281.25.03, ASX 24 Participants are advised that ASX will re-establish the minimum price increment (‘tick’ size) for the 3 Year Treasury Bond Futures contract at 0.005% or 0.5 basis points, from 0.01% or 1 basis point. Market participants and vendors are advised that the updated price increment will be available for testing on the Customer Development Environments (CDE and CDE+) from Friday 30 May 2025 at the commencement of the night session (for Trade Date Monday 2 June 2025). ASX is targeting an effective date for the change to be 5.10pm on 18 July 2025 (for Trade Date 21 July 2025), subject to participant readiness and regulatory clearance.

Draft Contract Specifications (subject to regulatory clearance)

The draft contract specifications for the 3 Year Treasury Bond Futures reflecting the decrease to the minimum price increment (‘tick’) are outlined here.

Testing Guidelines

Testing of the following functionality is recommended:

·       Minimum Price Increment configuration of the 3 Year Treasury Bond Futures

·       Minimum Price Increment configuration of the 3 Year Treasury Bond Futures Calendar Spreads

·       Minimum Price Increment configuration of the Inter-commodity spreads with the 3 Year Treasury Bond Futures

Detailed testing guidelines are available here.

What do I need to do by when?

Trading Participants and vendors can test the changed Minimum Price Increment configuration on the Customer Development Environments (CDE and CDE+) from Friday 30 May 2025 at the commencement of the night session (for Trade Date Monday 2 June 2025).

Need more information?

Issued by

Natasha van der Kolff, Product Manager, Rates

Contact information

Natasha van der Kolff
natasha.vanderkolff@asx.com.au

or

Investor Support
+61 (02) 9338 0000
www.asx.com.au/contact

Disclaimer