Market transaction automatic contracting apparatus and market transaction automatic contracting system

A market transaction automatic contracting system for use by parties concluding contracts with each other regarding offers and bids placed on objects by multiple participating parties, the system comprising:

• a market transaction automatic contracting apparatus including a transaction conditions storage section for storing transaction conditions set beforehand by participants, offer/bid setting/distributing means for reading offers and bids made by the participants, and, with consideration to the transaction conditions, setting and distributing best offers and best bids most significant for each participant, offer/bid match determining means responsive to offers and bids made by the participants or responsive to new offers and bids made by the participants based on the distributed best offers and best bids for determining whether a match occurred between an offer and a bid, and contracting means responsive to a match between an offer and a bid for concluding a transaction contract between the participant making the offer and the participant making the bid as contracting parties, and
• transaction terminals connected to the market transaction automatic contracting apparatus through communication circuits to be operable by the participants for sending information to and receiving information from the market transaction automatic contracting apparatus.