Storage medium on which program for lease transaction of, e.g., financial product is recorded and system for lease transaction of, e.g., financial product

摘要

The present invention is a computer-readable storage medium storing a lease transaction program for financial and/or related instruments, and a lease transaction system for financial and/or related instruments, in which lease transaction markets for financial instruments and/or quasi-financial instruments are created via computer networks and users can conclude lease transactions between and/or among themselves.