A stock market game built on real history: can you beat the S&P 500 blind?
You get 10 to 20 years of market history from a hidden era. Which one? You find out only at the end. The goal: finish ahead of the S&P 500.
A random interval from 1962–2026. Which era — you'll find out at the end.
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Hidden companies
Every stock gets a temporary codename, so a famous brand can't make the decision for you.
Hidden years
You learn which era you played only after the last month, when hindsight can no longer help.
Measured against the S&P 500
Your result sits next to the index over the same period, so you can see whether your choices actually added anything.
Market history, explained with data
Crashes, bubbles and company collapses, with the numbers behind them.
Guide
A stock market game where you don't know what year it is
For teachers
A 45-minute stock market lesson plan built on hidden market history
Market history
The 1970s Stock Market: What Stagflation Did to Stocks, Bonds, Gold, Oil and Cash
Market history
The Dot-Com Bubble by the Numbers: Who Died, Who Survived, and How Long Recovery Took
Investing insight
Can You Beat the Market? The Honest Numbers on the S&P 500