Cotton Historical Replay: 2021-04 to 2021-07
Replay the 2021 cotton surge across 62 daily bars ending 5.1% higher after a 9.5% drawdown. You step through each session, face 11 decision points, and receive an AI coach review using simulated capital for purely educational practice.
62 daily bars · 11 decision points · 2021-04 to 2021-07 · Commodities
Key facts
This window spans 89 days with a peak-to-trough drawdown of 9.5% and a 12.4% run-up.
- Max drawdown
- −9.5%
- Max run-up
- +12.4%
- Duration
- 89 days
- Largest single-day move
- +3.8%
- 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
In spring 2021, cotton became a focal point in commodity markets, riding a broader soft-sector boom that attracted considerable attention before government policy adjustments in May. The scenario spans 62 daily bars from April 9 to July 7, 2021, placing participants in the midst of a volatile period where macroeconomic forces and supply dynamics were actively reshaping prices. Understanding the stakes meant grappling with seasonal demand patterns, international trade flows, and the uncertainty that precedes major policy interventions.
The market delivered significant turbulence. Cotton closed at 86.63, representing a 5.1% gain from the opening level of 82.4. However, this apparent success obscured a more complex reality: participants weathered a 9.5% maximum drawdown along the way. The largest single-bar move of 3.8% tested emotional discipline at key moments. Across the replay, 11 decision points emerged, with 4 deemed critical—moments where positioning and risk management decisions carried heightened consequences for outcomes.
This replay distills core lessons in process discipline and psychological resilience. The gap between headline returns and actual experience teaches that surviving drawdowns is as important as capturing upside. Critical decision points reveal how a single session's 3.8% swing can force re-evaluation of assumptions. For training purposes, the scenario emphasizes that navigating volatile commodity markets requires pre-defined rules, position sizing discipline, and the emotional capacity to endure adverse periods without abandoning sound methodology.
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