Hang Seng Tech Downtrend Replay (2021-02-17 to 2021-03-09)
Relive a brutal Hang Seng Tech slide from February to March 2021, where the index fell 14.8% across 30 trading days and hit a 26.6% drawdown. Replay each session step by step, face 7 decision points, and receive an AI coach review in a simulated, educational setting.
30 daily bars · 7 decision points · 2021-02 to 2021-03 · Stocks
Key facts
This window spans 43 days with a peak-to-trough drawdown of 26.6% and a 12.3% run-up.
- Max drawdown
- −26.6%
- Max run-up
- +12.3%
- Duration
- 43 days
- Largest single-day move
- −6.2%
- 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
The Hang Seng Tech Index stood as a flagship benchmark for Chinese technology companies listed in Hong Kong as the bull market of late 2020 extended into early 2021. By mid-February 2021, however, the market environment had shifted dramatically, creating a high-stakes test of portfolio discipline and risk management for anyone tracking this sector. Participants in this replay step into that pivotal moment, confronting the uncertainty that defined the era without the benefit of hindsight.
Over the 30 trading days from early February through mid-March 2021, the index retreated from 10.09 to 8.6, a decline of 14.8%. The drawdown reached 26.6% at its worst, with the largest single-day move spanning 6.2%. This was not a straight-line fall but a grinding, volatile descent punctuated by sharp reversals. Navigating this terrain required traders to confront seven distinct decision points, three of which the scenario marks as critical junctures where the right call mattered most.
This replay is designed to sharpen decision-making under pressure. The extended drawdown tests whether a trader honors stop-loss discipline or accumulates losses hoping for recovery. The volatile single-day swings probe emotional stability—will fear or greed drive the next move? By walking through each session without the safety net of knowing the outcome, users train the habits that separate disciplined traders from reactive ones: pre-commitment to risk parameters, detachment from P&L in the moment, and the humility to replay mistakes honestly.