Cotton Historical Replay: 2021-03 to 2021-06
Replay 62 trading days of US cotton from 2021-03-24 to 2021-06-21, navigating a 9.5% drawdown and a 4.9% single-day shock. Make decisions at 11 scenario points, receive AI coach feedback, and learn how historical commodity shocks unfolded in a simulated, educational environment.
62 daily bars · 11 decision points · 2021-03 to 2021-06 · Commodities
Key facts
This window spans 89 days with a peak-to-trough drawdown of 9.5% and a 15.7% run-up.
- Max drawdown
- −9.5%
- Max run-up
- +15.7%
- Duration
- 89 days
- Largest single-day move
- −4.9%
- Bars
- 62 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
Between March and June 2021, US cotton occupied a precarious position in the soft commodity space. Supply chain disruptions, weather concerns, and shifting global demand created an environment where directional conviction was difficult to maintain. The 62 trading days from late March through mid-June became a test of how traders process incomplete information under pressure. Participants had to navigate a market where fundamental drivers were in flux and the path forward was far from clear.
The headline gain of 2.0% from 82.44 to 84.09 tells only part of the story. Beneath this modest net move lay a 9.5% maximum drawdown that would have tested any long position, combined with a 4.9% single-day shock that demanded immediate risk recalibration. Four of the eleven decision points were flagged as critical, requiring participants to reassess their thesis or adjust exposure when momentum shifted unexpectedly. The market rewarded patience during the recovery while punishing those who either panicked at the depth of the drawdown or overextended into the volatility spikes.
This replay hones several core competencies. Process discipline matters most—having a framework for position sizing and drawdown tolerance prevents reactive decisions that compound losses. Risk calibration requires accepting that even favorable outcomes can involve significant intermediate setbacks. Psychologically, the scenario reveals how drawdown anxiety and the fear of missing recovery create pressure to abandon sound strategies. Practicing under these conditions builds the emotional resilience needed when real capital is at stake, reinforcing that survival through volatility is a prerequisite for capturing eventual moves.
Featured in the archive