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2027-01-01

Amazon Demand Forecasting: Predicting Sales Accurately

Accurate demand forecasting prevents stockouts and overstock. The practical approach.

Forecasting demand accurately is one of the hardest and most important skills in e-commerce.

Data Sources

Historical sales: Your best predictor is past performance
Seasonality: Adjust for known seasonal patterns
Growth trend: Are sales trending up or down?
Planned promotions: Factor in deals, PPC increases, or launches

Simple Forecasting Method

Take average daily sales over the last 30, 60, and 90 days. Weight recent data more heavily. Multiply by lead time plus safety buffer.

Safety Stock

Keep a buffer of 2 to 4 weeks of safety stock for your best sellers. The cost of storage is far less than the cost of a stockout on your ranking.

Need help with inventory planning? Get in touch.

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