Policy · S&P 500 Index (2008)
Replay the S&P 500 from May to December 2008 as it fell 35.3% into a historic drawdown of 46.4%. Walk through 142 daily bars and 9 critical decision points, then receive an AI coach review of each choice. Simulated capital only, for education.
142 daily bars · 25 decision points · 2008-05 to 2008-12 · Stocks
Key facts
This window spans 203 days with a peak-to-trough drawdown of 46.4% and a 20.9% run-up.
- Max drawdown
- −46.4%
- Max run-up
- +20.9%
- Duration
- 203 days
- Largest single-day move
- +11.6%
- Bars
- 142 Daily bars
- Decision points
- 25
Every figure above is computed programmatically from this replay’s own candle series — no editorial input, no LLM. Methodology: Methodology
The market advances day by day. You only see candles up to the current day — as if you were really there.
At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.
After settlement you get a six-dimension score and an AI coach review. Your result enters the scenario leaderboard.
Event Replay
What happened — and what it teaches
In the summer of 2008, the S&P 500 entered a descent that would reshape market history. Over the following months, the index moved from relative calm toward an unprecedented stress test, as the financial system confronted mounting credit failures and evaporating liquidity. The 2000s were proving to be a decade of sharp lessons in market risk.
What unfolded from May 21 to December 10, 2008 was a 35.3% decline across 142 daily bars, with the index falling from 1390.71 to 899.24. The maximum drawdown reached 46.4%, while single sessions could move as sharply as 11.6%. Within this landscape of 25 decision points—9 of them critical—traders and investors faced a relentless series of inflection moments where judgment and discipline were constantly challenged.
The scenario offers a rigorous training ground for understanding how volatility reshapes decision-making. Participants experience firsthand how drawdowns of this magnitude test conviction, how position sizing becomes existential, and how emotional discipline erodes under persistent loss. The 9 critical decision points serve as controlled experiments in risk management, forcing learners to confront the gap between theoretical knowledge and real-time execution in a historical context stripped of the benefit of hindsight.
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