Hang Seng Tech Downtrend Replay (2021-04-28 to 2021-05-14)
Replay a 30-day Hang Seng Tech correction with a 10.9% drawdown and seven decision points marked on the timeline. You step through each session day-by-day, react at critical forks, and receive an AI coach review of your simulated choices.
30 daily bars · 7 decision points · 2021-04 to 2021-05 · Stocks
Key facts
This window spans 42 days with a peak-to-trough drawdown of 10.9% and a 7.2% run-up.
- Max drawdown
- −10.9%
- Max run-up
- +7.2%
- Duration
- 42 days
- Largest single-day move
- −3.2%
- Bars
- 30 Daily bars
- Decision points
- 7
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 2021, the Hang Seng Tech Index entered a pronounced correction phase, tracing a 30-trading-day arc from mid-April through late May. This period exposed the vulnerability of momentum-driven technology allocations, as broader market sentiment shifted amid regulatory uncertainty and global risk-off moves. Participants faced the challenge of navigating a sustained downtrend without clear visibility on where support might emerge.
The index closed the period at essentially the same level—8.07 to 8.05, a marginal -0.2% net change—yet the journey was anything but flat. A maximum drawdown of 10.9% tested portfolio endurance, while a largest single-bar move of 3.2% demonstrated how quickly sentiment could swing within a single session. Seven decision points, three deemed critical, were embedded along the timeline, demanding that traders reassess positioning repeatedly as conditions evolved.
This replay trains participants to confront the psychological friction of holding through drawdown, the discipline required to act at inflection points without hindsight bias, and the importance of process over outcome. Navigating a correction where the finish line barely moved teaches that surviving volatility is its own form of performance. The scenario underscores that decision quality must be measured against information available at the time, not against the eventual flat close.