AUCTIONING DEVICE, AUCTIONING METHOD, AND STORAGE MEDIUM

摘要

A bid reception means 81 receives a bid including one or more items from among a plurality of items which are bid candidates, from a bidder. A competition determination means 83 determines whether a received bid price for each item subjected to bidding is higher than a sale price of the item subjected to bidding, and decides to update a buyer of the item in the case where the bid price is higher than the sale price, based on buyer information including the buyer and the sale price of the item. A competing buyer rejection means 84, in the case where, when the decision is made to update the buyer, a bid price for at least one item from among a plurality of items corresponding to a same buyer is higher than a sale price of the item, updates the buyer of each of all the plurality of items to absence of a buyer. A bid reflection means 85, when the decision is made to update the buyer, updates the sale price of the item for which the bid price higher than the sale price is bid, to the bid price, and updates the buyer of the item to the bidder of the bid price.