DEVICE AND SYSTEM FOR AUTOMATIC CONTRACT OF MARKET TRANSACTION

摘要

PROBLEM TO BE SOLVED: To greatly improve the efficiency of a market transaction by eliminating losses due to errors in the transaction, lowering the transaction cost, and to speed up the transaction. SOLUTION: This automatic contract system for market transaction comprises an automatic market transaction contract device 1 and transaction terminals A, B and so on connected to the device 1 by a communication line. The device 1 is equipped with a transaction condition storage part 6 which stores transacting conditions that the respective participants A, B, and so on previously have set, a selling price and buying price setting and distributing means 2 which reads selling values PrA, PrB, and so on and buying values PpA, PpB, and so on presented by the respective participants and which sets and distributes the most effective best selling values bPr and bet buying values Pp for the participants after referring to the transaction conditions, a selling price and buying price matching decision means 3, which decides whether the selling price and the buying price match each other, and a contract means 5 which draws up a contract between the persons concerned, when the selling price and buying price match each other.