Demand Planning and Forecasting: Mastering Your Supply Chain [2026 Guide]

Demand planning and forecasting are the backbone of profitable ecommerce operations in 2026. With marketplace dynamics shifting faster than ever — flash sales, viral TikTok products, and cross-border expansion — sellers who master demand prediction gain a decisive competitive edge. Research shows that effective demand planning can reduce stockouts by up to 35% and cut excess inventory costs by 20-30%.