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Crash · Bovespa Index (2009)

StocksIbovespaBRPolicy2008-09 to 2009-04Difficulty 4/5FreeView charts

Replay 144 turbulent days on Brazil's Bovespa, where the index plunged to a 43.2% drawdown amid the 2008–2009 global crisis. Step through 25 decision points, nine critical, with an AI coach reviewing your simulated calls on this historical market replay.

144K lines
25Decision points
4Difficulty
DailyGranularity

144 daily bars · 25 decision points · 2008-09 to 2009-04 · Stocks

Key facts

This window spans 214 days with a peak-to-trough drawdown of 43.2% and a 58.9% run-up.

Max drawdown
−43.2%
Max run-up
+58.9%
Duration
214 days
Largest single-day move
+14.7%
Bars
144 Daily bars
Decision points
25

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 the final months of 2008, the Brazilian Bovespa stood as Latin America's largest equity market, a barometer for emerging-market sentiment during the most severe global financial crisis since the Great Depression. The data span runs from 2008-09-25 to 2009-04-27, covering 144 daily bars that encapsulate how Brazilian equities reacted to the collapse of Lehman Brothers, cascading credit freezes, and the abrupt reversal of global capital flows. For anyone studying the 2000s decade, this period posed a fundamental question: how do markets price uncertainty when systemic risk becomes unquantifiable?

What unfolded was a textbook example of crisis dynamics. The Bovespa closed at 51828 at the start of the replay and fell to 45820 by its conclusion, an overall decline of -11.6% that obscures far wilder intermediate swings. The maximum drawdown reached 43.2%, meaning a portfolio tracking the index would have lost nearly half its value at the worst point before any recovery. The largest single-bar move of 14.7% in a single day illustrates how volatility can spike beyond conventional risk models. Across the 144 trading days, traders faced 25 decision points, nine of which were critical junctures where positioning would define whether one survived the turbulence or amplified losses.

This replay distills the 2008–2009 crash into a decision-training laboratory. Participants must navigate without hindsight bias, practicing position sizing, stop discipline, and emotional control when losses mount toward that 43.2% threshold. The scenario teaches that surviving a crash requires a pre-defined process, not predictions. Risk management becomes psychology as much as analysis; the 14.7% single-day shock tests whether a trader holds to their methodology or capitulates in panic. By replaying these 144 days with an AI coach reviewing each call, learners develop the habits needed to face future episodes of extreme market stress.