Bubble · KOSPI Index (2007)
Walk into the KOSPI 2007 bubble era across 150 daily bars, where the index climbed 16.1% from 1603.56 to 1861.47. Replay each trading day, face 9 critical decision points, and receive an AI coach review of your simulated choices.
150 daily bars · 26 decision points · 2007-05 to 2007-12 · Stocks
Key facts
This window spans 221 days with a peak-to-trough drawdown of 18.3% and a 29.9% run-up.
- Max drawdown
- −18.3%
- Max run-up
- +29.9%
- Duration
- 221 days
- Largest single-day move
- −6.9%
- Bars
- 150 Daily bars
- Decision points
- 26
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 May 2007, the KOSPI entered a period defined by extraordinary optimism and systemic risk. The index found itself at the center of a global equity surge, with abundant liquidity, robust export data, and speculative fervor combining to create an environment where rational valuation often gave way to momentum-driven speculation. For traders and investors operating during this era, every session presented the question of whether to participate in the advance, reduce exposure, or stand aside entirely. The stakes were considerable: misjudging the tempo of a bubble market could mean either forgoing significant gains or absorbing severe losses when sentiment shifted.
The data captures this tension precisely. Across 150 daily bars spanning 2007-05-11 to 2007-12-18, the KOSPI climbed 16.1% from 1603.56 to 1861.47, reflecting a sustained but uneven ascent. The journey included a maximum drawdown of 18.3%, illustrating that even the overall upward trajectory contained pockets of acute stress. The largest single-bar move of 6.9% demonstrated that individual sessions could deliver sudden shocks, while the 26 decision points embedded within the replay—9 of them critical—ensured that participants faced repeated tests of conviction and discipline.
This replay teaches that bubble-era decision-making demands a strict separation between process and outcome. Participants must evaluate whether their choices during volatile swings align with sound risk management principles, regardless of whether the market ultimately validated those choices. The experience hones the ability to maintain composure when facing 18.3% drawdowns, to resist overreacting to 6.9% single-day moves, and to recognize that surviving the psychological crucible of a speculative peak is itself a skill worth developing.