# Predictive Purchasing

Predictive Purchasing is a tool in Sellercloud that uses your Sellercloud data to recommend a quantity to purchase. It predicts a number of sales you will have over the next coming days. Projection is based on a number of factors, including the number of past sales and the available quantity. Past sales are used to determine a velocity, or the rate of sales per day over a given date range. Velocity is then multiplied to calculate the deficit supply for multiple date ranges. The data that is generated is not real-time data and is actually generated at night. Therefore, any changes made during the day will not be reflected in the predictive purchasing.

## Topic Content

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- [Key Settings](https://lms.sellercloud.com/courses/predictive-purchasing-and-predictive-restocking-for-fba/lessons/predictive-purchasing/topic/key-settings/)  
- [Simple Example](https://lms.sellercloud.com/courses/predictive-purchasing-and-predictive-restocking-for-fba/lessons/predictive-purchasing/topic/simple-example/)  
- [Predictive Purchasing Quiz](https://lms.sellercloud.com/courses/predictive-purchasing-and-predictive-restocking-for-fba/lessons/predictive-purchasing/quizzes/predictive-purchasing-quiz/)