Research On Commercial Bank Credit Asset Securitization Product Rating Method And Quantitative Influencing Factors

Commercial banks are in an important position in China's financial market,and their credit assets status plays a decisive role in their healthy operation.At the present stage,there are many kinds of assets of commercial banks in China,but the most imp-ortant credit assets have obvious problems of insufficient liquidity,which effectively hinders the development of commercial banks in China.Through securitization of cre-dit assets,liquidity shortage can be effectively alleviated.At present,with the contin-uous development of the financial market,the major domestic commercial banks gra-dually focus on the securitization of credit assets,and the scale of securitization of d-omestic credit assets is also constantly expanding.And in the process of issuing the s-ecuritization of credit assets,it is also very important to rate the products facing inv estors in the end.From the point of view of the initiators of asset securitization,the promoters securitize the illiquid credit assets due to the lack of funds for the development of enterprises themselves or for the sake of quick gains.The higher the credit rating of the external rating agencies for their final products,the higher the demand for such products in the financial markets,and the promoters can quickly obtain income or achieve the goal of reducing the cost of financing.From the perspective of investors,it is sometimes difficult for investors to gain timely and comprehensive access to information and the limitations of data analysis,and the ratings of third-party external rating agencies on credit asset securitisation products can make up for the deficiencies of investors in this regard.At the same time,it also has a supervisory effect on the promoters.Based on this,this paper mainly discusses the rating method of credit asset securitization products by external rating agencies.This paper first discusses the development,principles and related literature of asset securitization,introduces the operation process of credit asset securitization,analyzes the credit risk of major players in the issuance process,and then develops a framework for global banks.A general introduction to the relevant content of the Basel Accord,followed by a description of the rating methods of third-party external rating agencies for domestic credit asset securitization.The external rating agencies have a wide range of analysis,but they can mainly consider credit risk.The same is true for the Basel Accord.Therefore,the credit assets of 10 commercial banks are selected to establish the KMV model to calculate the default probability,and compared with the actual rating results.The influencing factors of the probability of default,and then put forward corresponding countermeasures and suggestions.