The Stock History Report shows historical inventory levels. Inventory information including units, cost value, and retail value are shown on a monthly or weekly basis.

The amount of inventory on hand at the start of the selected time period. The stock is based on the historical inventory snapshots taken by Inventory Planner. 

Cost value of opening stock. The stock is based on the historical inventory snapshots taken by Inventory Planner. Cost price is the product price in the supplier catalog. Note: This is always based on the historical cost prices. Contact support to update metrics based on the current cost price.

Retail value of opening stock.
Price * opening stock
The stock is based on the historical inventory snapshots taken by Inventory Planner. Note: This is always based on the historical retail prices.

From the left menu, click on Reports > Stock History.

At the top of the screen, define the information that you'd like to view including warehouse,

reporting dimension including category, products, or variant,

time period for the report, and viewing by week or month.