Supply Chain Academy
Demand Forecast Simulator
Paste your historical demand data and instantly compare five statistical forecasting methods — complete with accuracy scores and confidence intervals.
Historical data — paste from Excel (one column, any separator)
Forecast horizon
Season length (m)
Forecast methods — click to toggle
SES (flat)
Holt (trend)
Holt-Winters (seasonal)
Decomposition + extrapolation
Linear regression
Holt-Winters and decomposition require at least 2× season length (e.g. 24 periods for m=12)
Confidence interval (±1σ)
None
Best method
All methods
Learn more about a method
Supply Chain Academy
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Demand forecasting is one of the core topics in our in-company training programmes. Discover how the Supply Chain Academy can take your team further.