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Collapse · S&P 500 Index (2008)

StocksS&P 500USPolicy2008-05 to 2008-12Difficulty 5/5FreeView charts

Replay the 2008 crash as the S&P 500 fell 37.7% across 144 turbulent daily bars. Step through decision points day by day, get AI coach feedback, and learn how policy headlines reshaped sentiment in simulated capital only.

144K lines
25Decision points
5Difficulty
DailyGranularity

144 daily bars · 25 decision points · 2008-05 to 2008-12 · Stocks

Key facts

This window spans 207 days with a peak-to-trough drawdown of 47.3% and a 20.9% run-up.

Max drawdown
−47.3%
Max run-up
+20.9%
Duration
207 days
Largest single-day move
+11.6%
Bars
144 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

How to play
  1. The market advances day by day. You only see candles up to the current day — as if you were really there.

  2. At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.

  3. 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

The S&P 500 in May 2008 stood at the precipice of a crisis that would reshape financial markets for years to come. With the subprime mortgage fallout spreading through the banking system and economic data deteriorating, the index faced mounting pressure as policymakers struggled to contain the damage. This replay captures the essence of the 2000s era uncertainty, placing you inside 144 daily bars where every trading session brought fresh headlines and escalating volatility.

Between May 16 and December 9, 2008, the index plummeted from 1425.35 to 888.67, representing a decline of 37.7%. The maximum drawdown reached 47.3% at the worst point, while the largest single-bar move hit 11.6%, underscoring the extreme price swings that characterized this period. Navigating this collapse meant confronting 25 decision points, with 9 critical moments demanding the sharpest judgment under pressure.

This scenario strips away hindsight to test how decisions hold up when the market offers no clear bottom. The brutal math of a nearly half-peak retracement forces reckoning with position sizing, stop discipline, and the temptation to average down into falling knives. Psychologically, the sustained nature of the decline challenges emotional regulation, as optimism repeatedly collides with deteriorating reality. The replay teaches that surviving crises requires distinguishing between price pain and fundamental impairment, while maintaining the flexibility to adapt process without abandoning principle.