Sometimes, a retailer’s inventory system shows a product as in stock, but there’s nothing on the shelf for customers to buy. Since the system thinks inventory is available, it won’t trigger a reorder. This situation is called phantom inventory, and it can quietly hurt a supplier’s retail results. Phantom inventory is different from a clear out-of-stock because it can go unnoticed for days or weeks. Suppliers notice sales slowing down, while retailers think they still have sto