Crisis · Nikkei 225 Index (2008)
The Nikkei 225 plunged from 14118.55 to 8395.87, a 40.5% collapse across 144 daily bars of the 2008 crisis. Replay each session, navigate 25 decision points with 9 critical turns, and receive AI coach review, simulated capital only, purely educational.
144 daily bars · 25 decision points · 2008-05 to 2008-12 · Stocks
Key facts
This window spans 209 days with a peak-to-trough drawdown of 50.6% and a 32.9% run-up.
- Max drawdown
- −50.6%
- Max run-up
- +32.9%
- Duration
- 209 days
- Largest single-day move
- +14.2%
- 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 Nikkei 225 Index traded near 14118.55 as global financial markets began to feel the spreading tremors of the subprime mortgage crisis. What started in American housing markets had evolved into a full-fledged credit crunch, threatening banks, corporations, and investor confidence worldwide. For traders and investors holding Japanese equities, the stakes were enormous: entire portfolios faced potential devastation as the crisis deepened across the 2000s decade.
The Nikkei would lose 40.5% over the following months, tumbling to 8395.87 by December 2008. Across 144 daily bars spanning May 14 to December 9, the index experienced a maximum drawdown of 50.6% and witnessed its largest single-day swing of 14.2%. These numbers capture a relentless cascade of declines punctuated by violent intraday reversals, creating an environment where direction changed violently and quickly.
The replay challenges participants across 25 decision points, 9 of which are critical, testing whether one can maintain discipline when markets collapse. Navigating this scenario demands managing risk during extreme volatility, making timely choices amid rapid shifts, and controlling the psychological pressure that accompanies sustained declines. This historical reconstruction serves as a training ground for building decision-making processes under stress, with no investment advice intended.
Featured in the archive