The Basel Committee permits firms to use a variety of methods to calculate regulatory capital on counterparty risk, including a simple approach – the constant exposure method or CEM – and a more sophisticated models-based approach known as EPE for expected positive exposure.
Documents (1) for A Note on the Impossibility of Correctly Calibrating the Current Exposure Method for Large OTC Derivatives Portfolios
Latest
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...
ISDA Response to FCA on Fund Tokenization
On November 21, ISDA responded to the Financial Conduct Authority’s (FCA) consultation paper CP25/28 on progressing fund tokenization. In the response, ISDA focuses on the use of tokenized assets as both cleared and non-cleared derivatives collateral. Tokenization presents a significant...