There are three types of stocks in SAP MM. The name of these stocks are :
Valuated Stock : Valuated stocks can be defined as those stocks that are valuated at the plant level.
Non-Valuated Stock : Non-valuated stocks are those stocks that are used for consumption in bulk and have low costs, such as screws, washers, pins, etc.
Special Stock : Special stocks are those stocks that are available but not owned by customers. Special stocks cannot be stored in a facility. Examples of such stocks include consignment, sales order, project stock, etc.