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For Educators · Retirement Monte Carlo

Retirement Monte Carlo for a startup valuation

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a startup valuation live below — adjust the inputs and watch it respond, right in your browser.

Retirement Monte CarloLive

Controls

Presets

Markets are uncertain, so a single projection lies. This shows a band of outcomes: even with the same average return, higher volatility widens the gap between a great result and a disappointing one. Educational tool, not financial advice.

▶ Run in Python

Data Inspector

Median outcome$4453k
10th percentile$229k
90th percentile$197506k

Governing equation

Reading this result: The 10th–90th band spans about 863.6× — even at a steady 6% average, uncertainty compounds over 30 years into a wide range of endings.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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Frequently asked questions

Is this good for educators?
Yes — this version of "Retirement Monte Carlo for a startup valuation" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.