Tariff rout lifts required IM by $51bn

- By Joshua Walker
- 29 May 2025

Required initial margin for cleared interest rate swaps (IRSs), futures and credit default swaps (CDSs) surged by $51.4 billion in April – the biggest monthly increase since March 2022 – amid heightened volatility triggered by triggered by the slate of tariffs unveiled on April 2.

The spike brought total required margin across major clearing houses to a record $766.1 billion, according to data

Only users who have a paid subscription or are part of a corporate subscription are able to print or copy content.

To access these options, along with all other subscription benefits, please contact info@risk.net or view our subscription options here: http://subscriptions.risk.net/subscribe

You are currently unable to print this content. Please contact info@risk.net to find out more.

You are currently unable to copy this content. Please contact info@risk.net to find out more.

As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (point 2.4), printing is limited to a single copy.

If you would like to purchase additional rights please email info@risk.net

You may share this content using our article tools. As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (clause 2.4), an Authorised User may only make one copy of the materials for their own personal use. You must also comply with the restrictions in clause 2.5.

If you would like to purchase additional rights please email info@risk.net