A computer-readable storage medium storing a financial transaction program, wherein any one or more jobs selected from the group consisting of processing of bundling a plurality of standardized products to create at least one hybrid product, processing of unbundling at least one hybrid product to create a plurality of standardized products, processing of bundling a plurality of hybrid products to create at least one other hybrid product, and processing of unbundling at least one hybrid product to create a plurality of hybrid products, can appropriately be executed with respect to financial instruments.