Bubble · Jakarta Composite Index (2012)
The 2012 Jakarta Composite Index rose just 3.0% across 150 days yet endured a 13.5% drawdown. Replay each bar, navigate 26 decision points, and receive AI coach feedback in this simulated educational scenario.
150 daily bars · 26 decision points · 2012-04 to 2012-12 · Stocks
Key facts
This window spans 222 days with a peak-to-trough drawdown of 13.5% and a 19.7% run-up.
- Max drawdown
- −13.5%
- Max run-up
- +19.7%
- Duration
- 222 days
- Largest single-day move
- −3.8%
- 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
In the spring of 2012 the Jakarta Composite Index entered a turbulent phase that would test even seasoned participants. Spanning 150 trading days from April 27 to December 5, this period was marked by shifting monetary signals and consumer-credit dynamics that kept the market in a delicate balance between optimism and caution. The index sat at 4163.98 as the scenario opened, with investors parsing every policy hint for clues about the sustainability of a credit-driven rally that had pushed valuations to elevated levels.
What unfolded over those months was a masterclass in deceptive calm. By the close on December 5 the JCI had climbed to 4286.84, a modest 3.0% gain that masked far wilder internal movements. The maximum drawdown of 13.5% revealed pockets of sharp distress, while the largest single-day swing of 3.8% underscored moments of panic and euphoria in equal measure. Across the replay participants confronted 26 decision points, of which 9 were flagged as critical, demanding responses to sudden policy shifts and credit-flow reversals.
This scenario strips away the illusion of easy returns in bubble-adjacent markets. The flat headline number teaches that strong conviction and disciplined risk management matter far more than directional bets. Navigating the 13.5% peak-to-trough decline without abandoning a sound process separates thoughtful participants from reactive ones. Every bar replayed is a chance to rehearse emotional regulation when the largest single-bar move arrives unexpectedly.
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