Rebar Historical Replay: 2021-01 to 2021-05
Replay the 2021 rebar rally as close climbed 44.4% from 4275 to 6171 across 66 daily bars. Walk through 12 decision points with simulated capital and receive an AI coach review of each call.
66 daily bars · 12 decision points · 2021-01 to 2021-05 · Commodities
Key facts
This window spans 104 days with a peak-to-trough drawdown of 5.4% and a 48.6% run-up.
- Max drawdown
- −5.4%
- Max run-up
- +48.6%
- Duration
- 104 days
- Largest single-day move
- +5.9%
- 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 early 2021, the ferrous commodities market faced a period of intense uncertainty as global supply chains strained under shifting demand patterns. Steel reinforcement bar (rebar) emerged as a focal point for traders navigating this environment, with the 2020s decade already showing signs of commodity market transformation. This replay spans 66 trading days from January 28 to May 12, placing participants directly into the daily rhythm of price discovery during a major commodity surge. The scenario challenges traders to make decisions with simulated capital across 12 decision points, four of which are marked as critical junctures where the stakes are particularly elevated.
The closing price ascended from 4275 to 6171, delivering a 44.4% return across the observation window. Yet the trajectory was far from linear. Maximum drawdown reached 5.4%, while individual sessions saw moves as large as 5.9%, creating moments of genuine tension for anyone holding positions. The volatility demanded constant recalibration of risk assumptions and forced traders to confront the psychological challenge of staying disciplined when price action turned turbulent.
This scenario sharpens several competencies essential for commodity trading. Participants learn to calibrate position sizing against historical drawdown norms, to distinguish between sustained trends and noise-driven spikes by analyzing single-bar momentum, and to maintain conviction when short-term volatility tests resolve against their thesis. The educational value lies not in predicting outcomes but in developing systematic responses to unexpected market regime shifts—a process discipline that transfers across commodity cycles and timeframes.
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