Financial product transaction system, financial product transaction method, communication terminal device, server device, computer program, and server program

摘要

An object of the present invention is to make it possible to easily and quickly construct a basic portfolio of a plurality of stock brands with the same monetary value of each stock brand. A basic portfolio creation screen is displayed on a user terminal used by an investor (user) in online stock trading. The basic portfolio creation screen 20 includes an amount designation unit 20a for designating the purchase price, and A to E company stock columns 21 to 25 indicating a plurality of stocks constituting the basic portfolio, and the amount designation unit 20a designates the amount. As a result, the same amounts as the designated amounts are also presented in the A to E company stock columns 21 to 25, respectively. In this state, when the selection operation of the simultaneous purchase button 20d in the basic portfolio creation screen 20 is performed, a purchase order for purchasing the shares of the companies A to E for the same amount as the designated amount is made from the user terminal. Transmit to the securities trading system 2. [Selection] Figure 6