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Iron Ore Historical Replay: 2021-05 to 2021-08

CommoditiesFerrousCNBoom2021-05 to 2021-08Difficulty 5/5FreeView charts

Replay 66 daily bars of the 2021 iron-ore slide from 1096.5 to 757, a 31.0% drawdown with 12 decision points across four critical junctures. Step through each historic session, respond to branching prompts, and receive AI coach feedback in a simulated educational environment.

66K lines
12Decision points
5Difficulty
DailyGranularity

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 39.3% and a 25.4% run-up.

Max drawdown
−39.3%
Max run-up
+25.4%
Duration
94 days
Largest single-day move
−16.7%
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

How to play
  1. The market advances day by day. You only see candles up to the current day — as if you were really there.

  2. At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.

  3. 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, iron ore futures were riding a historic bull run fueled by robust Chinese steel demand and supply disruptions. The market faced a critical inflection point: policymakers in Beijing had signaled concern over commodity inflation and were preparing regulatory interventions. For traders managing exposure to this volatile ferrous complex, the stakes were high—positions could swing dramatically based on shifting regulatory sentiment and macroeconomic data.

What unfolded over the subsequent weeks was a sharp reversal. Across 66 trading sessions from May 21 to August 23, iron ore collapsed from 1096.5 to 757, a decline of 31.0%. The drawdown reached 39.3% at its worst, with a single session delivering a 16.7% move—underscoring the violent nature of this correction. Twelve decision points punctuated this slide, including four critical junctures where traders faced binary choices about position management.

This replay teaches enduring lessons about process and psychology. A 39.3% peak-to-trough drawdown tests risk management discipline even for short-term positions. The 16.7% single-bar volatility reveals how momentum shifts can outpace traditional stop-loss calibration. Psychologically, riding a 31.0% decline requires emotional detachment from mark-to-market losses—a skill that historical scenarios like this one can sharpen through deliberate practice.