November 15, 2016, ACI Suisse announced the termination of the TOIS fixing effective on December 29, 2017. The last TOIS fixing was therefore on December 29, 2017.
Attached are the TOIS–SARON Bilateral Amendment Agreement and FAQs on the transition.
Documents (2) for Information on the TOIS-SARON Transition
Latest
The CPI Quandary
The recent US government shutdown didn’t just create weeks of political drama – it also left inflation-linked swaps dealers with a major headache: how should they determine an initial value for new trades given the US Bureau of Labor Statistics...
ISDA Response to HMT, BoE on UK CCPs
On November 18, ISDA submitted its responses to the Bank of England (BoE) consultation on ensuring the resilience of central counterparties (CCPs) and the UK Treasury’s (HMT) two draft CCP statutory instruments (SIs). These consultations form part of the update...
Doubling Down on Appropriate Trading Book Capital
Throughout ISDA’s 40th anniversary year, we’ve been reflecting on the quest for greater consistency and efficiency that underpins everything we’ve achieved since 1985. It was at the heart of the original efforts to bring greater standardization to the nascent derivatives...
Determining Initial Reference Index for New Trades
On November 25, 2025, ISDA published a Market Practice Note (MPN) to recommend a specific methodology that market participants could elect to use for the purposes of determining the Initial Reference Index for certain new inflation derivative transactions given that...