At any moment a business holds a measurable quantity of each item. Stock level is the current quantity of a product available in inventory at a location or across a network.

Systems distinguish on-hand, available, reserved, and in-transit quantities. Reorder points, maximum levels, and target days of supply translate policy into operational numbers. Accurate stock levels are the foundation of promising delivery dates to customers.

Discrepancies between system and physical stock cause both lost sales and excess. Cycle counting and disciplined transaction processes keep levels trustworthy. Visibility of stock levels across locations enables redistribution and smarter fulfillment choices.

• Current quantity of an item in inventory
• Tracked as on-hand, available, reserved, in-transit
• Drives replenishment and order promising
• Requires accuracy for reliable operations