The phase-five initial margin (IM) calculation period in the US is June-August 2019, and not March-May 2020 as in other jurisdictions. The US non-cleared margin regulations require an earlier calculation period than other jurisdictions to determine whether a party is in-scope for initial margin.
To assist market participants that may be subject to the phase-five IM requirements in the US, ISDA has prepared an informational document that summarizes and explains the requirements for calculating the average aggregate notional amount (AANA) for phase-five between June 1 and August 31, 2019 for a compliance date of September 1, 2020.
Documents (1) for Calculating Phase-Five AANA for US Regulations
Latest
ISDA/ASIFMA/GFXD Letter to RBI on INR-Denominated FX Derivatives Reporting
On March 9, 2026, ISDA, ASIFMA, and GFXD submitted a joint letter to the Reserve Bank of India (RBI) in response to the RBI’s Reporting Instructions for Authorised Dealer (AD) Category – I Banks draft directions to mandate the reporting...
IRD Trading Activity FY 2025 and Q4 2025
This report analyzes interest rate derivatives (IRD) trading activity reported in Europe. The analysis is based on transactions publicly reported by 30 European approved publication arrangements (APAs) and trading venues (TVs). Key highlights for the full year 2025 include: European...
A Financial Markets Revolution
Every financial center has its own unique features, but it was particularly fitting that ISDA’s recent Annual General Meeting (AGM) was held in Boston – not only a global hub for asset management and insurance, but also a city that...
ISDA AGM Studio: Nnamdi Okaeme & John Pucciarelli
Marking the 10‑year anniversary of the ISDA Standard Initial Margin Model (ISDA SIMM), Joel Clark, senior director, communications, at ISDA, speaks with Nnamdi Okaeme, ISDA’s head of SIMM, and John Pucciarelli, head of partnerships and director of industry engagement at...
