Abstract: A method for identifying on-shelf availability of inventory items is provided. The method can comprise: collecting sales information comprising a Stock Keeping Unit (SKU), a sale date, and a sale quantity, from one or more sources; aggregating the sales information by calculating two or more measures comprising at least an expected sales quantity and an out-of-stock measure; completing a plurality of sales records from the aggregated sales information, the plurality of sales records corresponding to each inventory item by SKU, sale date, and source-identification; and storing the plurality of sales records. The method can comprise reporting the one or more fields of at least one of the plurality of sales records. A system and computer program code implementing a method, are also provided.