Pandemic · Straits Times Index (2020)
Replay 144 daily bars of the Straits Times Index from December 2019 through a 31.9% drawdown, closing down 15.9%. You step through authentic decision points, get AI coach feedback, and learn crisis-era market mechanics in a simulated environment.
144 daily bars · 25 decision points · 2019-12 to 2020-07 · Stocks
Key facts
This window spans 210 days with a peak-to-trough drawdown of 31.9% and a 25.4% run-up.
- Max drawdown
- −31.9%
- Max run-up
- +25.4%
- Duration
- 210 days
- Largest single-day move
- −7.4%
- 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 Straits Times Index entered December 2019 trading at 3172.9, poised at the edge of an era that would reshape global markets. Over the next 144 daily bars extending to July 2020, traders and investors would confront a pandemic-driven crisis of historic proportions, navigating decisions where capital preservation and adaptive strategy meant the difference between weathering the storm and catastrophic loss. This was not a test of predicting the future, but of disciplined process under existential uncertainty.
The index ultimately closed at 2669.49, a decline of 15.9% from its pre-pandemic level. The journey proved far more turbulent than the final number suggests—a maximum drawdown of 31.9% tested portfolio resilience repeatedly, while the largest single session saw a 7.4% swing that could devastate the unprepared. Within this span, 25 decision points emerged, 9 deemed critical moments where positioning and risk management faced their sternest evaluation.
This replay teaches that surviving crisis periods demands systematic process over outcome chasing. Position sizing, emotional regulation, and the ability to maintain strategic composure through extreme volatility are the true arbiters of longevity. The lesson is not about calling tops or bottoms, but about building the discipline and psychological resilience that make sustained performance possible in any market environment.