USD/IDR Historical Replay: 2018-06 to 2018-09
Replay 66 days of USD/IDR from June to September 2018 as the trade war pressured emerging Asia, with the pair climbing 5.3% from 14073 to 14812. Step through each daily bar, tackle 12 decision points including 4 critical ones, and receive an AI coach review, all in a simulated educational environment.
66 daily bars · 12 decision points · 2018-06 to 2018-09 · Forex
Key facts
This window spans 91 days with a peak-to-trough drawdown of 1.6% and a 6.4% run-up.
- Max drawdown
- −1.6%
- Max run-up
- +6.4%
- Duration
- 91 days
- Largest single-day move
- +0.9%
- 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 rupiah entered the summer of 2018 under a cloud of uncertainty. As the United States escalated trade tensions with China, the shockwaves rippled across emerging market currencies, and Indonesia's IDR became a focal point of concern. With the country running a current account deficit and foreign capital flows proving fickle, the USD/IDR pair faced sustained upward pressure. The market backdrop was one of rising US rates, a strengthening dollar, and jittery investors reducing EM exposure — a dangerous cocktail for countries dependent on external financing.
The replay spans 66 daily bars from June 24 to September 23, 2018, tracing the pair from 14073 to 14812, a move of 5.3%. Volatility remained contained, with a maximum drawdown of just 1.6% and the largest single-day advance reaching 0.9%. Yet this apparent calm belied the underlying tension: traders were forced to navigate 12 decision points, 4 of which were critical junctures where positioning and risk management could mean the difference between weathering the storm and absorbing outsized losses.
This scenario strips away the comfort of hindsight to train decision-making under pressure. Participants must practice the discipline of sizing positions when a gradual trend can reverse without warning, managing the psychological pull of either excessive caution after small losses or overconfidence after periods of apparent stability. The narrow daily ranges and limited drawdown reward those with a systematic process over those who react impulsively to headlines.
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