Analysis And Design Of Credit Rating System

Credit ratings are opinions about credit risk.published by a rating agency. They express opinions about the ability and willingness of an issuer, such as a corporation, state or city government, to meet its financial obligations in accordance with the terms of those obligations. Credit rating is a guide for capital investment and economic decision-making and is directly related to the pricing of financial products. It can also affect a country's interest rate and exchange rate, thus is closely related with the country's financial sovereignty and economic security. As the rapid development of China's bond market in recent years, bond issuance, trading volume increased doubly, and much more variety of bonds and issuer popped up, which greatly promoted the advance of bond credit rating industry. This also provides a rare opportunity for the business growth, technical improvement and market position's enhancement of rating agencies. However, due to the imperfection of rating systems and limitation of IT application compared to foreign rating agencies, domestic credit rating agencies always let out their rating results with weak consistency, which requires the establishment of a sound credit rating system to help the credit rating agencies for the measurement of enterprises'own credit risk, the comparison with peers, the scoring, the quantifying and modular management of the entire rating process. Therefore, we must proceed from reality, in accordance with the domestic bond market and the rating industry's business needs, use existing data sources and rating methodologies to develop credit rating software products with functions of data collection, data viewing, data computing, grading, rating model design, statistical analysis, etc..According to the actual situation of credit rating agencies'demand management and demand analysis, this rating system is using the. NET B / S architecture and SQL Server database technology as a development tool and can well applied to domestic credit rating agencies.The credit rating system is fully consistent with the business process of credit rating agencies. Its design ideas come from all aspects to make the system easy-operate, user-friendly, extensible, practical, safe and able to support the whole process of credit rating management. The system includes data collection, data adjustment, credit rating scoring, calculation template output, report output, system management and other modules. The practical applications in rating agencies have approved that the rating system designed in this thesis can meet the business management needs in credit rating agencies.This thesis introduces the development background, design ideas, functions and the development process of credit rating system while highlighting the design ideas, design framework, rating models, as well as the difficulties encountered in the development and the comprehensive solutions.