The tool shed prices obtained under the conditions of transactions forming part of the database SIO Grains: Contract-Sale-Price fact-peso coin; Camera-Quality Condition Cash On Delivery-Delivery within 30 days. The portal will have information regarding prices, volumes and areas. The average value, calculated by a weighted volume of all operations declared by product under the above conditions, for each of the areas or a reference port. To this different graphics that allow better visualization