USD/ALL Historical Replay: 2018-09 to 2018-12
Replay USD/ALL across 66 turbulent days ending 2018-12-07, when a single bar moved 1148.0% amid emerging-market crash volatility. Step through each session, face 12 decision points, and receive an AI coach review in a fully simulated educational environment.
66 daily bars · 12 decision points · 2018-09 to 2018-12 · Forex
Key facts
This window spans 92 days with a peak-to-trough drawdown of 92.1% and a 1167.2% run-up.
- Max drawdown
- −92.1%
- Max run-up
- +1167.2%
- Duration
- 92 days
- Largest single-day move
- +1148.0%
- Bars
- 66 Daily bars
- Decision points
- 12
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 USD/ALL pair in the emerging-market space offered traders a stern test of discipline and risk management through the final quarter of 2018. Spanning 66 daily bars from 2018-09-06 to 2018-12-07, this period captured the height of EM currency turbulence when global investors fled risk assets amid shifting monetary policy expectations. Twelve decision points—four deemed critical—were embedded throughout this historical replay, demanding participants recalibrate their positioning as conditions deteriorated.
The numbers reveal the severity of the environment. The pair closed essentially flat at 108.43 to 108.7, a modest 0.2% net change over the entire period. Yet this static endpoint masks extraordinary intermediate volatility: a max drawdown of 92.1% tested portfolio resilience, while a single daily bar moved an extraordinary 1148.0%, the kind of outlier event that can devastate unprotected accounts. Such asymmetric price behavior underscores why technical analysis and strict position sizing matter profoundly in EM forex.
For decision training, this scenario isolates three core lessons: first, the critical distinction between realized and unrealized losses when drawdowns reach extreme levels; second, the psychological pressure of maintaining conviction when 92.1% declines test conviction; and third, the necessity of volatility-adjusted position sizing before singular catastrophic events materialize. The 2010s era framing reminds participants that even seemingly stable currency pairs can produce once-in-a-decade stress events that separate disciplined traders from impulse-driven ones.
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