Stock Portfolio Sample
About this model
A yearly stock portfolio model that draws a random return each year from a normal distribution, adds an annual contribution and tracks the year-end value. Press Play to see how different random paths spread out over time.
"Stock Portfolio Sample" is a public Machinations diagram shared in the Community by Machinations, with 21 components.
It was created in October 2026 and last edited in November 2026.
Open the diagram in the Machinations app and press Play to watch the resources move, adjust its values to test how the system responds, or remix it to make an editable copy in My diagrams.