Abstract: [PROBLEMS] A theoretical stock price computing device and so forth for automatically computing an objective theoretical stock price based on the result obtained by synthetically evaluating a company according to company evaluation indexes including intellectual property related indexes are provided.

Abstract: Provided is a device for automatically selecting a more preferable stock portfolio based on the results upon performing a comprehensive valuation of companies using a corporate valuation index containing an intellectual asset related index. Upon selecting the stock portfolio, a plurality of corporate valuation index related data containing an intellectual asset related index is acquired (steps S1 to S6), analysis is performed with the acquired corporate valuation index related data and a company ranking corresponding to at least one prescribed index is created (steps S7 to S13 and S19), a prescribed number of companies is selected from the created company ranking (step S14), an investment ratio is selected in relation to each of the selected companies (step S15), and, based on the obtained distribution result of the investment ratio, a stock portfolio corresponding to the selected company is created and output (steps S16, S17).