.. _Using stock periods: 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.