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其中主要的结构是存在一个protection buyer和protection seller, 一般SPV是protection buyer,而市场投资者是protection seller,其中作为protection buyer的SPV需要每季度向投资者支付premium而作为protection seller的investor则像SPV提供protection,i.e. taking risk,一旦SPV的reference entity出现default,则investor要向SPV做settlement,such as physical settlement or cash settlement来compensate SPV的loss. 常见的CDO分类按照SPV是否反向做CDS可以分为synthetic CDO 和 cash CDO。作为入门级的文章refer to: Pricing Tranches of a CDO and a CDS Index:Recent Advances and Future Research by Dezhong Wang, Svetlozar T. Rachev, Frank J. Fabozzi |