UPDATED Advisory for IRS Margin Model Parameter Change in NR

Please be advised that the New Release deployment of modifications to CME Interest Rate Swap (IRS) log return parameters scheduled for Wednesday, July 16th has been delayed. CME will communicate a new deployment date once one is determined. Below is a summary of the previously communicated parameter change:

Please note CME Clearing will be deploying modifications to CME Interest Rate Swap (IRS) log return parameters in the New Release (NR) environment. The changes will apply to all IRS currencies and will be in effect as of July 16 in NR. Data for each currency will shift by 4% before computing the log returns. This mirrors the already-implemented shifted log approach for Singapore Dollar (SGD)-denominated IRS (see Clearing House Advisory 13-444, dated 9/26/13) and reflects a robust, long-term approach that yields more desirable outcomes in both low and high interest rate regimes.

Additionally, CME Clearing is updating the IRS volatility floors for all currencies. The Production date for shifted log and impact to the production portfolios will be communicated in advance of migration to production.

If you have questions, please contact the Risk Research team at QRT@cmegroup.com or call 312-338-2069.

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