COMPUTER-READABLE RECORDING MEDIUM STORING TRANSACTION PROGRAM, TRANSACTION METHOD, AND TRANSACTION DEVICE

摘要

A non-transitory computer-readable recording medium stores a transaction program for causing a computer to execute processing including: acquiring a selling limit and buying limit for each contract; creating, on the basis of a difference between the acquired selling limit and a next transaction price and a difference between the next transaction price and the acquired buying limit, a dissatisfaction function that represents dissatisfaction of an investor for each contract with the next transaction price as a variable; mating a total dissatisfaction function for all contracts on the basis of the dissatisfaction function created for each contract; and determining the next transaction price on the basis of a value of the created total dissatisfaction function.