Default · Hang Seng Index (2023)
The Hang Seng Index fell 13.8% across 144 trading days in 2023 as mainland property debt default fears spilled over. Replay the period day by day, face 25 decision points, and receive an AI coach review — simulated capital, educational only.
144 daily bars · 25 decision points · 2023-04 to 2023-11 · Stocks
Key facts
This window spans 211 days with a peak-to-trough drawdown of 18.2% and a 10.2% run-up.
- Max drawdown
- −18.2%
- Max run-up
- +10.2%
- Duration
- 211 days
- Largest single-day move
- +4.1%
- 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
In the spring of 2023, the Hang Seng Index represented one of Asia's most liquid equity markets, exposed to both domestic economic forces and cross-border capital flows. The period from April 12 to November 9 brought a specific challenge: escalating fears that mainland Chinese property developers would default on their debts, with contagion risks reaching Hong Kong-listed companies and financial institutions. For traders and investors, understanding how policy uncertainty translates into market dislocation was the central question.
Across 144 trading days, the index fell from 20309.86 to 17511.29, a decline of 13.8%. The maximum drawdown reached 18.2%, meaning investors who bought early in the period faced substantial unrealized losses at the worst point. The largest single-bar move of 4.1% demonstrated how quickly sentiment could shift on policy news or developer headlines. This was not a straight-line decline but a volatile journey with sharp bounces and selloffs, demanding constant reassessment of positions and risk exposure.
This replay offers a structured environment to practice disciplined decision-making under uncertainty. The 25 decision points, including 9 critical moments, require participants to distinguish signal from noise while managing the psychological pressure of a falling market. Training here focuses on process over outcome: how you define risk, when you adjust positions, and how you maintain composure when headlines amplify fear. These are the skills that transfer beyond any single scenario.