Skip to main content

Boom · KOSPI Index (1999)

StocksKOSPIKRPolicy1999-01 to 1999-08Difficulty 4/5FreeView charts

Replay 150 days of post-crisis KOSPI repair as the index climbed 41.6% from 640.95 to 907.28. Step through each session, navigate 26 decision points with AI coach review, and study historical volatility in a simulated educational environment.

150K lines
26Decision points
4Difficulty
DailyGranularity

150 daily bars · 26 decision points · 1999-01 to 1999-08 · Stocks

Key facts

This window spans 217 days with a peak-to-trough drawdown of 22.2% and a 106.2% run-up.

Max drawdown
−22.2%
Max run-up
+106.2%
Duration
217 days
Largest single-day move
−7.3%
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

How to play
  1. The market advances day by day. You only see candles up to the current day — as if you were really there.

  2. At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.

  3. 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 early 1999, South Korea was navigating the treacherous aftermath of the Asian financial crisis. The KOSPI index had collapsed, devastating portfolios and shattering confidence across the market. This replay transports you to that critical recovery phase—150 sessions from January 11 to August 16, 1999—when investors faced the dilemma of whether to trust the nascent rebound or brace for further deterioration. The decade of the 1990s had delivered a harsh education in systemic risk, and the stakes could not have been higher.

Over those 150 trading days, the index staged a remarkable repair, climbing from 640.95 to 907.28—a gain of 41.6%. Yet the journey was anything but smooth. The market experienced a maximum drawdown of 22.2%, a reminder that even powerful trends retrace sharply. The largest single session move reached 7.3%, illustrating the kind of intraday volatility that can trigger panic or euphoria depending on one's positioning. Participants encountered 26 decision points along the way, with 9 deemed critical moments where directional conviction was essential.

This scenario tests whether you can maintain discipline through a 22.2% pullback while a larger advance unfolds. The 7.3% single-bar moves demand psychological resilience and position-sizing awareness. Navigating 26 decision points—particularly the 9 critical junctures—reveals how process and emotional control matter as much as directional conviction. Study this boom without conflating it with a recommendation; instead, extract principles for managing volatility and conviction in any recovery narrative.