Pandemic · Straits Times Index (2021)
Replay 144 daily bars of the Straits Times Index from March to October 2021 as a 5.6% drawdown tests your decision-making. Step through each trading day, face 25 decision points, and receive an AI coach review in this simulated, educational market-replay.
144 daily bars · 25 decision points · 2021-03 to 2021-10 · Stocks
Key facts
This window spans 208 days with a peak-to-trough drawdown of 5.6% and a 5.0% run-up.
- Max drawdown
- −5.6%
- Max run-up
- +5.0%
- Duration
- 208 days
- Largest single-day move
- −2.2%
- 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 March 2021 navigating one of the most complex post-pandemic environments Singapore had faced. With 144 trading days stretching through October, investors confronted shifting policy signals, uneven economic reopening, and the persistent uncertainty of variants. This was not a dramatic crash or parabolic rally but a grinding test of discipline in sideways, volatile price action where the broader trend offered few easy answers.
By October 6, the index closed at 3083.88, nearly unchanged from the March 12 opening of 3095.22, a mere -0.4% net move that belied the journey. Beneath that flat close lay a 5.6% maximum drawdown and a largest single-bar swing of 2.2%, creating moments of sharp stress. Participants faced 25 decision points across the replay, nine of them flagged as critical junctions where positioning and risk management mattered most.
For decision training, this scenario excels at teaching process over prediction. The flat net outcome removes the confounder of a strong directional bet and forces attention on entries, exits, sizing, and emotional regulation under drawdown. Working through 144 bars with 25 structured choices builds the habit of acting on defined rules rather than reacting to short-term noise, a psychological muscle that transfers across market regimes.