Pandemic · Hang Seng Index (2003)
Relive 150 trading days of Hang Seng volatility from November 2002 to July 2003, navigating a 17.8% max drawdown as SARS fears rippled through markets. Replay each session, make your calls at decision points, and receive AI coach feedback in this simulated decision-training exercise.
150 daily bars · 26 decision points · 2002-11 to 2003-07 · Stocks
Key facts
This window spans 224 days with a peak-to-trough drawdown of 17.8% and a 19.3% run-up.
- Max drawdown
- −17.8%
- Max run-up
- +19.3%
- Duration
- 224 days
- Largest single-day move
- +3.7%
- 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
The Hang Seng Index entered a 150-trading-day period of extraordinary turbulence from November 2002 to July 2003. As SARS spread across Asia, investors faced a health crisis that defied easy quantification—a pandemic with no modern market precedent. The index, a proxy for Hong Kong's economic heartbeat, became a barometer for fear, policy response, and the resilience of Asian financial markets.
The numbers reveal a market that ultimately ended nearly flat yet traveled through significant turmoil. The close shifted from 10069.87 to 9911.5, a decline of just 1.6%, yet investors endured a maximum drawdown of 17.8% and navigated single-bar moves as large as 3.7%. The distance between peak and trough tells a story that the net return obscures entirely.
This scenario distills the pandemic investing experience into 26 decision points, 9 of them critical. The lesson is not about predicting the recovery but about maintaining process discipline under pressure. Risk management, information filtering, and emotional regulation become the true edge when uncertainty dominates. Train your decisions here, not to profit, but to build the habits that survive any crisis.