Coking Coal Historical Replay: 2021-05 to 2021-08
A 42.3% coking coal surge from 1701 to 2421 across 66 daily bars captures China’s 2021 ferrous boom in full. Step through each session, tackle 12 decision points with four marked critical, and receive an AI coach review of your simulated choices.
66 daily bars · 12 decision points · 2021-05 to 2021-08 · Commodities
Key facts
This window spans 94 days with a peak-to-trough drawdown of 10.5% and a 42.3% run-up.
- Max drawdown
- −10.5%
- Max run-up
- +42.3%
- Duration
- 94 days
- Largest single-day move
- +8.2%
- 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
China's coking coal market entered an explosive phase in May 2021, driven by supply constraints, robust steel demand, and policy anticipation within the ferrous complex. The 2020s commodity supercycle was reshaping raw material markets globally, and coking coal—a critical steelmaking input—sat at the center of this structural shift. Traders and producers faced the challenge of navigating a market where fundamental tailwinds collided with looming government intervention risks. Understanding this tension is essential for anyone studying commodity market dynamics during periods of extreme price discovery.
From May 21 to August 23, 2021, spanning 66 trading days, coking coal surged from 1701 to 2421, delivering a 42.3% gain. The journey was far from linear: a maximum drawdown of 10.5% tested conviction, while an 8.2% single-bar move underscored the volatility inherent in trending commodities. Participants confronted 12 decision points, with four marked as critical inflection moments where market direction became uncertain. Each bar represented a choice—hold, add, reduce, or exit—and the aggregate of those decisions determined outcomes in a market that rewarded both conviction and discipline.
This replay sharpens several competencies. Process discipline matters when a 10.5% pullback can shake confidence despite a larger uptrend. Risk management requires sizing positions to survive the 8.2% single-bar shocks that characterize commodity booms. Psychologically, the scenario reveals how bullish fundamentals can mask intervention risks—participants must separate conviction from complacency. The four critical decision points train participants to reassess thesis under pressure, making this scenario ideal for developing the emotional equilibrium needed when markets move decisively.
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