Bubble · KOSPI Index (2008)
Korea's KOSPI fell from 1953.17 to 1509.99 between December 2007 and July 2008, a 22.7% slide marked by 4.4% single-day swings. Replay each trading day, face 26 policy-driven decision points, and receive an AI coach review in this simulated educational scenario.
150 daily bars · 26 decision points · 2007-12 to 2008-07 · Stocks
Key facts
This window spans 225 days with a peak-to-trough drawdown of 22.8% and a 20.0% run-up.
- Max drawdown
- −22.8%
- Max run-up
- +20.0%
- Duration
- 225 days
- Largest single-day move
- −4.4%
- 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
Korea entered late 2007 with its KOSPI index near historic highs, riding global optimism around commodity and resource stocks. The period from December 2007 to July 2008 would prove a crucible for investors, as markets faced mounting pressures from global financial turmoil, shifting monetary policy expectations, and the unwinding of commodity price bubbles. For traders navigating this era, the stakes were immense: preserving capital while positioning for an uncertain future amid policy-driven volatility.
The numbers tell a stark story. Over 150 trading days, KOSPI fell from 1953.17 to 1509.99, a decline of 22.7%. The maximum drawdown hit 22.8%, with daily swings as severe as 4.4% rattling even seasoned participants. Throughout this turbulent descent, 26 decision points — 9 deemed critical — offered moments where policy shifts could pivot market direction. Each bar represented a test of conviction and discipline.
This replay sharpens decision training in three vital dimensions. First, process: participants must articulate clear entry and exit criteria before each decision point, avoiding reactive moves. Second, risk: surviving a 22.8% drawdown demands position sizing discipline and continuous scenario planning. Third, psychology: managing fear and greed when single days swing 4.4% reveals whether a trader's mental framework can endure sustained pressure. The goal is not prediction but building the habits that allow sound decisions under stress.