USD/JPY Historical Replay: 2019-07 to 2020-01
Replay the USD/JPY flash-crash window across 130 daily bars spanning July 2019 to January 2020, with price closing at 109.99 and a 3.7% drawdown. Walk through 23 decision points, including 8 critical junctures, and receive an AI coach review of each call in simulated capital.
130 daily bars · 23 decision points · 2019-07 to 2020-01 · Forex
Key facts
This window spans 182 days with a peak-to-trough drawdown of 3.7% and a 4.9% run-up.
- Max drawdown
- −3.7%
- Max run-up
- +4.9%
- Duration
- 182 days
- Largest single-day move
- −1.5%
- Bars
- 130 Daily bars
- Decision points
- 23
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/JPY pair entered a tense six-month window from mid-July 2019 through mid-January 2020, spanning both the 2010s and 2020s decades. This period captured the aftereffects of a repo-market squeeze and the early stirrings of global growth anxiety, placing forex traders at the crossroads of divergent monetary paths. The scenario presents 23 decision points—8 deemed critical—against a backdrop of shifting risk sentiment across G10 currencies, with daily bars serving as the only roadmap.
The replay data shows the pair closing at 109.992, reflecting a modest 1.7% appreciation from an opening 108.201. However, the journey was anything but smooth: a maximum drawdown of 3.7% tested position management, while the largest single daily bar move of 1.5% demanded real-time composure under stress. Across 130 trading days, participants navigated a landscape where sharp reversals could erase weeks of gains in hours, making every entry and exit a calculated judgment call.
For decision training, this scenario exposes three recurring pressure points: the difficulty of sizing positions when volatility clusters, the temptation to average down during drawdowns, and the psychological drag of missing the initial move. Traversing 130 daily bars with 23 judgment moments—8 of them critical—trains the discipline to define risk before reward, stick to process when emotion peaks, and recognize that survival in volatile FX markets is measured in consistency rather than single-session glory.
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