PSI 20 Uptrend Replay (2020-10-29 to 2021-01-07)
Replay Portugal's PSI 20 climbing 19.1% from 4049.52 to 4821.97 across 96 daily bars of late 2020 into early 2021. Step through each session, weigh 11 decision points, and receive an AI coach review in this educational market simulation.
96 daily bars · 11 decision points · 2020-09 to 2021-02 · Stocks
Key facts
This window spans 139 days with a peak-to-trough drawdown of 10.2% and a 36.7% run-up.
- Max drawdown
- −10.2%
- Max run-up
- +36.7%
- Duration
- 139 days
- Largest single-day move
- +4.5%
- Bars
- 96 Daily bars
- Decision points
- 11
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 Portuguese PSI 20 was navigating one of the most uncertain stretches in recent market history as autumn 2020 arrived. Global investors were processing pandemic recovery data, central bank signals, and shifting sentiment toward Southern European equities. The index sat at 4049.52, with economic reopening debates, fiscal support discussions, and earnings season pressures converging into a complex decision environment across 96 trading days through early February 2021.
What unfolded was a sustained climb of 19.1%, with the PSI 20 advancing from 4049.52 to 4821.97. The journey was anything but straight—volatility showed itself in a maximum drawdown of 10.2% and occasional single-day swings reaching 4.5%. Navigating 11 decision points, including 4 critical junctures, required traders to continuously reassess momentum, risk exposure, and the evolving macro narrative throughout late 2020 and into the new year.
For decision training, this replay illustrates that profitable outcomes rarely follow linear paths. Participants must practice cutting through noise, sizing positions appropriately for a 10.2% drawdown environment, and resisting the impulse to exit during temporary setbacks. The psychology piece is equally vital—staying rationale when a single bar moves 4.5% tests every trader's discipline. This educational scenario strips away hindsight bias, forcing genuine engagement with uncertainty just as investors faced it then.