Collapse · NASDAQ Composite Index (2008)
Replay 144 daily bars of the 2008 collapse as the NASDAQ Composite falls 38.8% on simulated capital. Step through authentic decision points and receive an AI coach review after each market day.
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 48.4% and a 19.4% run-up.
- Max drawdown
- −48.4%
- Max run-up
- +19.4%
- Duration
- 207 days
- Largest single-day move
- +11.8%
- 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
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 spring of 2008, the NASDAQ Composite Index stood at 2,528.85 as investors navigated a market increasingly defined by financial uncertainty. The subprime mortgage crisis had already disrupted credit markets, and questions about valuation, liquidity, and economic growth were creating mounting pressure on technology-heavy indices. For traders and investors operating in this environment, the direction of markets remained deeply uncertain, and every decision carried significant consequence.
Over the following 144 trading days through December 2008, the index collapsed to 1,547.34—a decline of 38.8%. This journey was far from a steady slide. The index experienced a maximum drawdown of 48.4%, with its largest single-bar move reaching 11.8%. The period was marked by volatile swings, sharp reversals, and episodes of panic-driven selling, creating an exceptionally challenging environment for position management and risk control.
This replay offers a rigorous training ground for decision-making under extreme market stress. With 25 decision points, including 9 critical moments, participants must navigate authentic pressure without the clarity of hindsight. Success depends on disciplined risk management, emotional regulation, and the ability to make sound decisions when positions move violently against you. The scenario tests whether one can maintain process discipline when psychological factors run high, providing invaluable lessons for anyone seeking to improve their decision-making in volatile markets.
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