Forecasting POC · multi-grain, top-down + bottom-up

Demand, at every grain.

SKU-level demand rolls up to line, geo, and total. Push a scenario at any grain (a line, a region, one SKU, or the whole book) and watch the total forecast and its uncertainty move.

Synthetic data, public brands, fake numbers · Prophet + AutoARIMA · no client data

Actuals Forecast (scenario) Base (no scenario) 80% interval AutoARIMA

View

What slice of the book do you want to read? The chart always shows the total; this picks the contribution called out below it.

Add a scenario

Pick a grain and a target, set a percent change, and add it. Scenarios stack, e.g. a global −5% and a Barbie −10% at once.

Demand change0%

Active scenarios

Quick starts

Ask in plain language

Describe a what-if; the assistant turns it into a scenario at the right grain and applies it.

Try: Hot Wheels −10% · APAC +15% · global recession

No AI key. Manual grain + percent works without one.

Bring your own Anthropic key. It stays in this browser (local storage on this device) and is sent only to api.anthropic.com, never to Jeff or any server. Model: .