Auction device, auction method, and storage medium

摘要

The bid receiving means 81 receives a bid including one or more of the plurality of bid candidate products from the bidder. The competition determination means 83 determines whether or not the received bid price for each bid target product is higher than the sale price of each bid target product based on the sale destination information including the sale destination and the sale price of the product, and the bid price is set. Decide to renew the seller if it is higher than the sale price. When it is decided to renew the seller, the competing seller rejection means 84, when the bid price for at least one of the plurality of products with the same seller is higher than the sell price, the plurality of products. Update all sellers of products without sellers. When it is decided to renew the selling destination, the bid reflecting means 85 updates the selling price of the item for which the bidding price higher than the selling price is bid to the bidding price, and updates the selling destination to the bidder at the bidding price. ..