A browser-based version of the core forecasting logic: pick a sale week and toggle between the two on-sale travel years to see the completion-curve forecast and reachability verdict update, then test the standalone calculator with your own figures.
Portfolio extension · synthetic dataStandalone from the sales curve above: these inputs do not change that chart. Switching the year toggle only updates the calculator's starting values below.
This demonstration simplifies the original reachability assessment. The production model compares the weekly rate required to reach the objective with the strongest historical performance achieved over a comparable remaining period; the public version compares the required rate with the pace implied by the selected completion curve.