An object of the present invention is to provide a foreign exchange trading system to support financial transactions. The system includes access to information 3 about the purchase, other features to output the information to the user of the terminal 4, concerning the amount of the minimum price changes to the amount and the gas distribution value of quotes including a computer-aided device 1 having the feature to enter the investment amount for the increase or decrease. A terminal for real-time trading session on the exchange, the terminal to become a mobile communication device that corresponds to the protocol 5 of the protocol 5 or wireless data transmission technology 6 of the communication, to use. Computer-aided equipment, the server with the features that make the investment and profit and loss account in the amount of money in the user's account. Control unit with respect to the account the state of the individual user, to the state and the mouth seat of the transfer of the user's account, which was registered to the organization that sponsored the buying and selling (crediting), controlled by the payment system and payment system, the transfer to the personal account of the user It has a feature that pay for or cash.FIELD 1
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