Soybean Historical Replay: 2004-06 to 2004-09
Replay a brutal soybean rout that fell 41.3% across 64 trading days from June to September 2004. Make your own choices at each decision point, then receive an AI coach review of how you handled the volatility.
64 daily bars · 11 decision points · 2004-06 to 2004-09 · Commodities
Key facts
This window spans 91 days with a peak-to-trough drawdown of 45.0% and a 16.5% run-up.
- Max drawdown
- −45.0%
- Max run-up
- +16.5%
- Duration
- 91 days
- Largest single-day move
- −12.9%
- 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
In the summer of 2004, soybean futures were in freefall. After reaching 917.5 in late June, prices collapsed to 538.25 by late September—a 41.3% decline over just 64 trading days. This wasn't a gentle correction; it was a catastrophic rout that tested every trader's conviction and risk management system. The 45.0% maximum drawdown captured the true depth of losses, while the 12.9% single-day moves revealed the extreme intraday volatility that made this period particularly treacherous. Eleven decision points punctuated this descent, with four marked as critical moments where traders faced their most consequential choices about position sizing, exits, and whether to fight the trend or capitulate.
The soybean collapse offers a masterclass in the mechanics of market panics and the psychology of trading under duress. Participants had to navigate not just the technical breakdown but also their own emotional responses—the temptation to catch a falling knife, the fear of locking in losses, and the discipline required to manage risk when positions deteriorate rapidly. This scenario strips away the complexity of fundamental analysis and forces focus on the core principles: position sizing before the storm hits, pre-defined exit strategies, and emotional equilibrium when volatility reaches extreme levels. It demonstrates how even well-reasoned trades can become catastrophic without robust risk protocols in place.
For those replaying this episode, the lesson is clear: survival in a 45.0% drawdown environment requires both systematic risk controls and psychological resilience. The four critical decision points serve as crucibles where habits are exposed—whether you are a trader who averages down into losses, cuts winners too early, or maintains discipline through chaos. Understanding your own behavioral tendencies under these historical conditions is what makes this replay a valuable training exercise for any market participant.
Featured in the archive