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Risk model

Risk model

The Eurex Clearing Prisma methodology is based on the view of each member’s entire portfolio and has the advantage to account for hedging and cross-correlation effects through determining the margin requirement on a portfolio level as opposed to a product-by-product view. The elements in the concept are selected so that risk calculation is accurate and stable, ensuring that the concept withstands new shocks and changes to the financial markets and flexibly adapts to changes in the risk environment.


The new risk management approach integrates two kinds of margin components: a backward looking and an improved forward looking margin component.

Eurex Clearing Prisma permits cross margining between products as well as across markets cleared by Eurex Clearing. In particular, this is applied to interest rate derivatives cleared by Eurex Clearing, where cross margining concerns the allocation of positions of listed fixed income derivatives and OTC IRS derivatives in the same Liquidation Group, considering the sensitivities of the products to the general level of interest rates. This ensures that the reduced risk profile of interest rate hedged portfolios is adequately reflected by lower initial margin requirements.