The analytical app displays the Key Performance Indicator (KPI) Contract Leakage. You can identify the spend of purchase orders that do not have a contract reference, although an existing contract could have been used. As a purchaser, you are interested in finding out the related net value. You can use Contract Leakage to find out the amount of purchases made without considering existing contracts. You can also determine whether this amount has increased or decreased over time, and which purchasers, suppliers, supplying plants, product categories, or items are responsible for the contract leakage.