The present invention relates to a corporate chain default risk management system and a chain bankruptcy risk management method using the same. The present invention relates to a credit information database and a credit information database for storing credit information, such as information on financial, debt, And a contract information database for storing contract information including information on a contract amount between the contractor and the contractor, and a contract information database for contracting the member company by normalizing the credit information stored in the database module, And a service providing at least one of a normalized credit information and a chain bankruptcy risk index, and an information processing module for calculating a chain bankruptcy risk index indicating a possibility of bankruptcy of the member company due to the possibility of bankruptcy of at least one trading company in a transaction relationship Chain bankruptcy risk, including providing modules Li provide a system and provides a serial default risk management method using this system.
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