USD/IDR Historical Replay: 2018-07 to 2018-10
Walk through a 7.7% USD/IDR slide across 64 daily bars ending at 15408.9 in late 2018. You replay each session, face 4 critical decision points, and receive an AI coach review of your simulated choices.
64 daily bars · 11 decision points · 2018-07 to 2018-10 · Forex
Key facts
This window spans 87 days with a peak-to-trough drawdown of 1.6% and a 7.7% run-up.
- Max drawdown
- −1.6%
- Max run-up
- +7.7%
- Duration
- 87 days
- Largest single-day move
- +1.8%
- 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 USD/IDR pair entered July 2018 against a backdrop of mounting emerging market stress. The Turkish lira and Argentine peso were already in freefall, triggering contagion fears across EM currencies. For traders replaying this period, the question was whether Indonesia's fundamentals would shield the rupiah or leave it vulnerable to regional contagion. This 64-day replay captures the market's tense navigation through one of the decade's sharpest EM crises.
Over the replay window spanning July 9 to October 4, 2018, the dollar rallied from 14311 to 15408.9004—a 7.7% advance. Yet the path was not linear: a maximum drawdown of 1.6% and a largest single-bar move of 1.8% revealed moments of sharp reversal and panic. Eleven decision points emerged across the replay, four of them critical junctures where positioning and risk management determined whether traders captured gains or suffered losses. The market's choppy trajectory tested discipline and forced participants to confront the tension between trend-following and contrarian positioning during periods of systemic stress.
The replay's real value lies in exposing the psychological traps endemic to volatile periods. Maintaining conviction through 1.8% intraday swings, avoiding overconfidence after early gains, and managing risk when max drawdown threatens requires a disciplined process. Four critical moments demanded clear-eyed reassessment of exposure and a systematic approach to sizing and exits, not reactive decision-making. For training purposes, the scenario forces participants to distinguish between good decisions that produce bad outcomes and poor decisions that happen to work out, building the kind of probabilistic thinking that transfers across market environments.
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