# Using stock periods

You can use Stock Periods <model-stock.period> to stop Stock Moves <model-stock.move> being created or updated before a specific date, and to improve the performance of Tryton when looking at and using Product Quantities <concept-product.quantity>.

Tip

Depending on the number of stock moves that your Company <company:model-company.company> generates you may find it useful to create new stock periods as part of your accounting period end, or fiscal year end, processes.