The amendments are aimed in particular to:
- introduce the liquidity and concentration risk margin (LCRM) as part of the initial margin. Accordingly, the margin requirement in OTC trading will be calculated as the sum of the margin against the market price risk over the set time horizon and the add-on covering liquidity and concentration risk (LCRM). To determine the LCRM, clearing members will submit surveys using dedicated system messages;
- discontinue the determination of concentration levels following the introduction of the liquidity and concentration risk margin (LCRM);
- modify the model for calculating the margin requirement for market risk to include a component determined for a set of market stress scenarios (ES(ST)). Following this modification, the margin will be determined on the basis of two components:
- Expected Shortfall for historical scenarios generated using the filtered historical simulation method (ES(FHS)), and
- Expected Shortfall determined for a set of stress test scenarios (ES(ST)).