Click here to view the SONIA reform frequently asked questions (FAQ) document, or download the attached PDF.
These FAQs, which may be updated from time to time, comprise information on the SONIA benchmark reforms and the derivatives industry’s implementation of the relevant changes.
Click here to view Supplement 55 to the 2006 ISDA Definitions or download the attached PDF.
Documents (2) for SONIA reform FAQs and publication of GBP-SONIA-Compound
Latest
U.S. Federal Holidays on December 24 and 26, 2025
Pursuant to an Executive Order of the President of the United States, December 24 and December 26 have been designated as federal holidays for U.S. federal government purposes. The designation of such dates as U.S. federal holidays is not expected to affect...
ISDA Publishes SPS Matrix Version 1.02
On December 19, 2025, ISDA published an updated version (v1.02) of the ISDA Digital Asset Derivative Definitions Settlement Price Source Matrix (‘SPS Matrix”). The SPS Matrix contains a list of Settlement Price Sources (SPSs) and related terms that parties can...
From Milestone to Modernization
We’re coming to the end of an exceptionally busy year at ISDA, in which we celebrated our 40th anniversary and doubled down on our enduring commitment to safe and efficient derivatives markets. Reflecting on ISDA’s achievements since 1985, it’s clear...
Response on ASIC Derivative Transaction Rules
On December 3, ISDA submitted a response to the Australian Securities and Investments Commission (ASIC) consultation on the remake of the ASIC Derivative Transaction Rules (Clearing) 2015, which are due to sunset on April 1, 2026. ASIC proposed to remake...