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KOSPI 200 Uptrend Replay (2021-03-10 to 2021-04-20)

StocksKOSPI 200KRRally2021-02 to 2021-05Difficulty 1/5FreeView charts

Replay a 60-day KOSPI 200 window where the index slipped 1.0% from 43305 to 42860 with a 5.8% drawdown along the way. Make trading decisions at 11 daily checkpoints, then receive an AI coach review of your simulated choices.

60K lines
11Decision points
1Difficulty
DailyGranularity

60 daily bars · 11 decision points · 2021-02 to 2021-05 · Stocks

Key facts

This window spans 85 days with a peak-to-trough drawdown of 5.8% and a 7.7% run-up.

Max drawdown
−5.8%
Max run-up
+7.7%
Duration
85 days
Largest single-day move
+3.6%
Bars
60 Daily bars
Decision points
11

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

The KOSPI 200 entered this sixty-day replay window in February 2021, a period when global equity markets were navigating uneven post-pandemic recoveries and shifting monetary expectations. With the index anchored near 43,305, traders faced a landscape where brief surges could reverse just as quickly, demanding disciplined engagement rather than passive holding. This scenario captures a slice of market life where direction was unclear and every checkpoint asked participants to justify their positioning.

The outcome revealed modest erosion: the index closed at 42,860, a decline of 1.0% from the opening level. Along the way a maximum drawdown of 5.8% tested portfolio endurance, while the largest single daily move of 3.6% reminded participants that volatility clusters can appear without warning. The 11 decision points, including 4 flagged as critical, imposed a rhythm of assessment and adjustment throughout the sixty-bar span.

This replay trains traders to act on process rather than prediction. Facing a declining market that never collapsed, participants practice sizing positions to survive drawdowns, timing exits around genuine inflection signals, and maintaining composure when a 3.6% intraday swing confronts a portfolio built for longer horizons. The educational value lies in experiencing how small losses accumulate and how disciplined checkpoints create accountability that passive holding never provides.