The CCP supervisory stress testing framework is designed to support tests conducted by one or more authorities that examine the potential macro-level impact of a common stress event affecting multiple CCPs. Among other things, such supervisory stress tests could help authorities better understand the scope and magnitude of the interdependencies between markets, CCPs and other entities such as participants, liquidity providers and custodians. This type of supervisory stress test is different from, yet may complement, other stress testing activities conducted by authorities seeking to evaluate the resilience of individual CCPs.
	In June 2017, the CPMI  and IOSCO  published the Consultative report: Framework for supervisory stress testing of central counterparties (CCPs). During the consultation period, they held an industry workshop with representatives from various market sectors and authorities from different jurisdictions. The comments received emphasised the importance of: (i) seeking feedback from different stakeholders on the design and operational aspects of a supervisory stress test; (ii) managing the resource burden associated with these tests; (iii) protecting data; and (iv) promoting the transparency of test methodology and results as much as possible.
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