METHOD/SYSTEM FOR SELLING AND BUYING CALL OPTION AND PUT OPTION, AND STORAGE MEDIUM WITH SELLING/BUYING PROGRAM STORED THEREON

摘要

PROBLEM TO BE SOLVED: To provide a system for transferring the right of a lease contractor to buy a leasing object at a set residual price, to a third person. ;SOLUTION: The contents of a call option having at least information for specifying the leasing object and information by which the set residual price and a lease finishing date can be confirmed are obtained and registered in a database. Furthermore, the selling price of the call option registered in the database is obtained and registered assigned to the call option. Then, the contents of the call option registered in the database and its buying price are presented to an applicant for purchase.;COPYRIGHT: (C)2001,JPO