Policy · Straits Times Index (2020)
Straits Times Index plunged 31.9% from 3267.8 to 2794.17 across 144 daily bars as pandemic-era policy interventions rippled through Singapore equities. Replay the decision points day-by-day, weigh each policy surprise, and receive an AI coach review of your simulated choices.
144 daily bars · 25 decision points · 2019-11 to 2020-06 · Stocks
Key facts
This window spans 210 days with a peak-to-trough drawdown of 31.9% and a 25.2% run-up.
- Max drawdown
- −31.9%
- Max run-up
- +25.2%
- 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 a defining stress-test period from November 2019 through June 2020, as pandemic-era policy interventions swept across Singapore equities. Spanning the final weeks of the 2010s into the early 2020s, this 144-trading-day window forced investors to navigate a landscape where government responses to an emerging health crisis could shift market fundamentals overnight. Twenty-five decision points were embedded across this span, nine deemed critical by the replay engine. Understanding how policy surprises propagate through a developed-market index is the central educational challenge here.
The headline outcome—3267.8 to 2794.17, a decline of 14.5%—only begins to capture the severity. The maximum drawdown reached 31.9%, meaning anyone holding through the worst stretch watched roughly a third of notional value evaporate before recovery began. The largest single session moved 7.4%, underscoring how sudden policy announcements could shatter intraday stability. This was not a steady erosion but a jagged descent punctuated by sharp reversals and capitulation spikes.
For decision training, the core lesson lies in calibrating conviction against policy uncertainty. Participants must practice separating signal from noise when government statements collide with market pricing. Risk management becomes existential when a 31.9% drawdown threatens portfolio viability. Psychologically, the scenario tests whether a trader can revise positions under duress without succumbing to panic or stubbornness. By replaying the 25 decision points—particularly the nine critical junctures—users develop muscle memory for the disciplined process that pandemic volatility demands, building resilience for future episodes where policy risk reshapes entire markets.