USD/IDR Historical Replay: 2018-05 to 2018-08
Replay 64 daily bars of USD/IDR from May to August 2018 as emerging-market currencies weathered trade-war volatility. Step through 11 decision points, including 4 critical ones, and receive an AI coach review of your simulated choices.
64 daily bars · 11 decision points · 2018-05 to 2018-08 · Forex
Key facts
This window spans 89 days with a peak-to-trough drawdown of 2.8% and a 5.4% run-up.
- Max drawdown
- −2.8%
- Max run-up
- +5.4%
- Duration
- 89 days
- Largest single-day move
- +1.4%
- Bars
- 64 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 replay places you in USD/IDR from May 9, 2018 through August 6, 2018, a 64-day window when emerging-market currencies faced mounting pressure from escalating trade tensions. This was a period of heightened uncertainty in cross-border capital flows, with Indonesia's rupiah caught between domestic monetary dynamics and external headwinds. Eleven decision points are embedded in the historical bars, four of them flagged as critical moments where directional conviction and risk management were put to the test.
The data tells a story of modest but persistent weakness in the rupiah. The exchange rate moved from 14,073 to 14,543.2998, representing a 3.3% depreciation over the period. Volatility remained contained relative to crisis levels, with a maximum drawdown of 2.8% and the largest single-day move hitting 1.4%. These numbers illustrate that even in trending environments, EM forex can deliver extended periods of range-bound grinding punctuated by sharp reversals.
For decision training, this scenario emphasizes three dimensions: process discipline in holding convictions through noise, risk calibration when maximum adverse moves remain relatively shallow, and psychological resilience in distinguishing between tactical errors and strategic misalignment during structurally uncertain regimes.