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BEL 20 Downtrend Replay (2007-05-23 to 2007-08-16)

StocksBEL 20BECorrection2007-04 to 2007-09Difficulty 1/5FreeView charts

Replay a volatile BEL 20 correction spanning 2007-04-04 to 2007-09-27, with the index sliding from 4558.5 to 4326.36 and max drawdown 16.1%. Step through each daily bar, face 11 decision points including 4 critical ones, and receive AI coach feedback on your simulated choices.

124K lines
11Decision points
1Difficulty
DailyGranularity

124 daily bars · 11 decision points · 2007-04 to 2007-09 · Stocks

Key facts

This window spans 176 days with a peak-to-trough drawdown of 16.1% and a 9.9% run-up.

Max drawdown
−16.1%
Max run-up
+9.9%
Duration
176 days
Largest single-day move
−3.1%
Bars
124 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

By the spring of 2007 the Belgian equity market was navigating the tail end of a multi-year bull run, with the BEL 20 holding elevated valuations and investors growing accustomed to low volatility. This replay anchors you in the full data window from 2007-04-04 to 2007-09-27, a span of 124 daily bars, where the index would ultimately retreat from 4558.5 to 4326.36. The scenario is framed as a correction phase, and it asks you to manage capital through a sustained downward drift while resisting the twin impulses to either panic-sell at the bottom or hold losing positions in hope of a quick rebound. Eleven decision points are embedded across the replay, four of them flagged as critical junctions where a single choice could meaningfully alter your simulated outcome.

The headline numbers define the challenge clearly: a net decline of -5.1% over the full window, but a max drawdown of 16.1% along the way, meaning the trip was considerably rougher than the final score suggests. The largest single daily move reached 3.1%, underscoring that this was not a smooth, orderly drift but a sequence punctuated by sharp intraday swings. The index never fully recovered to its starting level within the replay period, reinforcing that corrections can persist for months and that end-point blindness — judging performance solely by where the price begins and ends — misses the lived experience of holding through a drawdown. Tracking the BEL 20 across 124 bars gives you the granularity to observe how momentum shifts, volume patterns, and news flow interacted day by day.

This replay is designed to train decision process rather than forecast accuracy. You are asked to build a defensible thesis before each decision point, articulate your risk tolerance, and reflect on whether your simulated actions aligned with your stated plan. The 16.1% max drawdown is the scenario's sharpest reminder: even a moderate-looking -5.1% net loss can expose a portfolio to loss magnitudes far beyond the headline number, depending on entry timing and position sizing. By working through the four critical points — where the stakes are highest — you practice calibrating conviction against uncertainty, and you receive AI coach feedback on whether your choices reflected disciplined risk management or emotional reaction. The historical framing makes clear that no one knew in April 2007 how deep or long the correction would become; the educational value lies in how you reason under that same ambiguity.