Money lab · Simulation

The Uncertain Decade

Allocate a fictional $1,000 across three broad categories, then replay a fixed scenario. This is not a model portfolio, forecast, or recommendation.

01

Set the experiment

Your allocation must total 100%. There is no “best” score.

Total: 100%

02

Observe, don’t rank

Hypothetical ending amount

Year-by-year category values
YearCash-likeBondsStocksTotalChange
Fixed teaching data. No live market prices are used. Categories are simplified, returns are invented and disclosed in the source code, and the simulation excludes fees, taxes, inflation, and rebalancing.