Corn Historical Replay: 2004-05 to 2004-08
Replay a brutal 66-day corn slide from May to August 2004, where prices fell 25.8% with a 32.9% max drawdown. Walk through each session, tackle 12 decision points (4 critical), and receive an AI coach review of your simulated trades in this educational market replay.
66 daily bars · 12 decision points · 2004-05 to 2004-08 · Commodities
Key facts
This window spans 95 days with a peak-to-trough drawdown of 32.9% and a 13.1% run-up.
- Max drawdown
- −32.9%
- Max run-up
- +13.1%
- Duration
- 95 days
- Largest single-day move
- +6.6%
- 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
In the spring of 2004, corn markets entered a period of intense structural pressure that would test the conviction of any grain trader. The period spanning May 6 to August 9, 2004 represented a critical juncture for agricultural commodities, with 66 daily trading bars capturing a sustained downward movement. The stakes were significant: those managing positions in corn futures faced the challenge of navigating a market where established trends could reverse violently and traditional support levels offered limited refuge. This replay places you in the position of a trader confronting this environment, where every decision carried weight and the margin for error was compressed by the market's relentless direction.
The numbers tell a stark story of decline. Corn prices fell from 305.75 to 227, representing a 25.8% collapse over the 66-bar span. The maximum drawdown reached 32.9%, meaning any trader who entered this period with long exposure faced paper losses exceeding the historical norm for this timeframe. The largest single-bar move of 6.6% underscored the volatility inherent in this descent, moments when emotion could override discipline and rational position management became difficult to maintain. Twelve decision points (4 critical) were embedded within this period, each offering a choice that could either mitigate or magnify the damage.
This replay serves as a powerful decision-training exercise precisely because it strips away hindsight and forces engagement with uncertainty in real time. Managing risk during a sustained drawdown requires not just technical discipline but psychological resilience. The scenario tests your ability to stick to process when prices move against you, to size positions appropriately for volatility spikes of 6.6%, and to recognize when market structure is shifting. The AI coach review of your simulated trades provides feedback on where your decision-making aligned with sound risk principles and where emotional reactions may have compromised outcomes. Studying this 2004 episode sharpens pattern recognition for future periods when agricultural commodities face similar structural pressures.
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