Commodity Shock · Hang Seng Index (2008)
Relive a brutal 2008 stretch where the Hang Seng plunged 40.6% across 144 daily bars. You replay each session step by step, face 9 critical decision points, and receive an AI coach review based purely on simulated capital.
144 daily bars · 25 decision points · 2008-04 to 2008-11 · Stocks
Key facts
This window spans 212 days with a peak-to-trough drawdown of 58.1% and a 34.7% run-up.
- Max drawdown
- −58.1%
- Max run-up
- +34.7%
- Duration
- 212 days
- Largest single-day move
- +14.3%
- 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 Hang Seng Index in the 2000s encountered one of its most treacherous stretches when a commodity shock collided with sweeping policy uncertainty. From 2008-04-09 to 2008-11-07, the market presented an environment where conventional wisdom faltered and every trading decision carried extraordinary weight. The stakes were not merely financial—positions made during this window could mean the difference between preserving capital and suffering devastating losses.
What unfolded across those 144 daily bars was a sustained rout that few had anticipated. The index collapsed from 23984.57 to 14243.43, a decline of -40.6%. The maximum drawdown reached an eye-opening 58.1%, while the largest single-bar move of 14.3% delivered punishing intraday reversals that caught even disciplined participants off guard. Twenty-five decision points were embedded throughout, nine of which demanded critical choices under rapidly deteriorating conditions.
This replay teaches that surviving extremes requires more than conviction—it demands a repeatable process. Traders face the test of managing risk when drawdowns deepen beyond comfort, maintaining psychological composure when 14.3% single-bar moves trigger panic, and distinguishing signal from noise across 144 bars of relentless pressure. The value lies not in predicting the bottom, but in having a framework that keeps you in the game long enough to reassess when conditions finally stabilize.
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