Boom · Nikkei 225 Index (2013)
Step into 144 trading days that lifted the Nikkei 225 from 10080.12 to 13661.13, a 35.5% surge. Replay the era day by day, face 25 decision points including 9 critical ones, and receive AI coach feedback in this simulated training environment.
144 daily bars · 25 decision points · 2012-12 to 2013-07 · Stocks
Key facts
This window spans 216 days with a peak-to-trough drawdown of 20.4% and a 55.0% run-up.
- Max drawdown
- −20.4%
- Max run-up
- +55.0%
- Duration
- 216 days
- Largest single-day move
- −7.3%
- 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
The scene opens in late December 2012, with Japan's flagship index hovering near 10080. Twelve years after its bursting bubble, the Nikkei faced a pivotal moment as a new policy direction began taking shape. Markets were uncertain, economies in the developed world were wrestling with stagnation, and Japan stood at a crossroads that would test every trader's ability to read policy signals and position accordingly. This was the calm before a sustained storm.
What followed over 144 trading days through July 2013 was remarkable: the Nikkei climbed from 10080.12 to 13661.13, a gain of 35.5%. Yet this was no smooth glide higher. The period featured a maximum drawdown of 20.4%, a stark reminder that even powerful trends exact a toll. The largest single-bar move of 7.3% punctuated sessions when sentiment swung violently on policy headlines. Navigating this required not just conviction but the discipline to endure sharp reversals without abandoning process.
For decision training, this era offers a rich laboratory. Participants face 25 decision points, nine deemed critical, testing entries, exits, and position sizing under evolving conditions. The lesson is not prediction but preparation: building a repeatable process that accommodates volatility, managing risk when drawdowns bite, and maintaining psychological equilibrium when markets swing 7.3% in a day. History shows trends can be powerful yet punishing. Success belongs to those who survive the setbacks to witness the full arc.
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