Crash · Jakarta Composite Index (1997)
Relive the Jakarta Composite Index crash of 1997, a brutal 144-day decline from 713 to 439. Replay each trading day, face 25 decision points, and receive AI coach feedback in a simulated, education-only environment.
144 daily bars · 25 decision points · 1997-06 to 1998-01 · Stocks
Key facts
This window spans 209 days with a peak-to-trough drawdown of 54.2% and a 29.3% run-up.
- Max drawdown
- −54.2%
- Max run-up
- +29.3%
- Duration
- 209 days
- Largest single-day move
- −12.0%
- 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
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
Between June 1997 and January 1998, the Jakarta Composite Index entered one of the most punishing equity sell-offs of the late twentieth century. Indonesia sat at the epicenter of the Asian currency crisis, with capital flight, a collapsing rupiah, and political anxiety pulling foreign and local investors out of risk assets simultaneously. Over 144 trading days, the benchmark fell from 713.39 to 439.03, a decline of -38.5%, with a maximum drawdown of 54.2% and a largest single-session move of 12.0%. Twenty-five decision points were stitched into this arc, nine of them tagged critical, meaning the replay forces the learner to act on days when conviction, panic, and confusion competed for the same page.
What unfolded was not a straight slide but a cascading series of policy shocks that compressed weeks of loss into single sessions. The index bled steadily through the summer, then accelerated as interest rates climbed, liquidity dried, and headline after headline tested whether any floor existed. The single-day 12.0% spike captures the regime change: a market that had been drifting lower suddenly moved in violent, non-linear jumps. Hitting the maximum drawdown of 54.2% before settling at a -38.5% closing loss meant many participants endured far worse intra-period than the headline number suggests, a reminder that end-point statistics routinely mask the depth of the experience.
For decision training, the lesson is process over prediction. The replay rewards learners who size positions to survive a 12.0% single-day gap, who pre-write exit rules before volatility arrives, and who distinguish a tradable bounce from a structural break. The psychology segment is equally central: forcing users to choose between holding, adding, or cutting on nine critical days exposes how fear, anchoring, and recency bias distort judgment. The take-away is not a forecast but a habit — measure drawdowns, respect gap risk, and let a written plan, not emotion, answer each prompt.