Commodity Shock · Jakarta Composite Index (2016)
Replay 144 daily bars of the Jakarta Composite Index from September 2015 to April 2016, navigating a 6.8% drawdown amid Chinese commodity demand fears. Work through 25 decision points, including 9 critical ones, and receive an AI coach review of each simulated choice.
144 daily bars · 25 decision points · 2015-09 to 2016-04 · Stocks
Key facts
This window spans 213 days with a peak-to-trough drawdown of 6.8% and a 18.6% run-up.
- Max drawdown
- −6.8%
- Max run-up
- +18.6%
- Duration
- 213 days
- Largest single-day move
- +3.2%
- 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
The Jakarta Composite Index entered a volatile chapter from September 2015 to April 2016, as global investors grappled with mounting concerns over Chinese commodity demand. Indonesia's benchmark stock index, tracking one of Southeast Asia's largest economies, faced headwinds from slowing growth in China—a key trading partner and driver of regional commodity markets. This 144-day replay places participants at the center of daily decision-making during a period when uncertainty about global demand patterns created sharp intraday swings and forced investors to reassess risk exposures repeatedly.
The index moved from 4318.59 to 4846.7, delivering a 12.2% gain over the full period, yet the journey was anything but smooth. A maximum drawdown of 6.8% tested portfolio resilience, while the largest single-day move of 3.2% underscored the emotional toll of sudden sentiment shifts. Participants navigated 25 decision points, with 9 critical junctures demanding more urgent recalibration of positions and risk parameters. The tension between capturing upside and preserving capital during these volatile stretches defined the core challenge of this scenario.
This replay sharpens decision-making under uncertainty by confronting participants with incomplete information and rapid market reversals. The experience emphasizes disciplined risk management—knowing when to reduce exposure during drawdowns and when conviction justifies holding positions through short-term pain. Psychologically, it reveals how fear and greed distort judgment during commodity-driven shocks, teaching traders to separate noise from signal and maintain process discipline regardless of market pressure.