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Hot-rolled Coil Historical Replay: 2021-01 to 2021-05

CommoditiesFerrousUSCommodity Shock2021-01 to 2021-05Difficulty 4/5FreeView charts

Replay the 2021 hot-rolled coil shock across 66 daily bars as close climbed 51.1% from 4423 to 6683. Step through each session, face 12 decision points including 4 critical ones, and receive an AI coach review in a simulated educational setting.

66K lines
12Decision points
4Difficulty
DailyGranularity

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 55.2% run-up.

Max drawdown
−5.4%
Max run-up
+55.2%
Duration
104 days
Largest single-day move
+5.6%
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 early 2021, global commodity markets faced mounting supply disruptions and surging demand, creating fertile ground for raw material shocks. Hot-rolled coil—a key steel product used in construction and manufacturing—became a focal point of this volatile environment. The replay scenario spans from late January to mid-May 2021, placing participants directly into 66 daily trading sessions where every decision carried weight.

The numbers tell a striking story: prices climbed 51.1% from 4423 to 6683 over just 66 trading days. Yet the journey was far from linear. Participants navigated a maximum drawdown of 5.4% and faced single-bar moves of up to 5.6%, demanding constant recalibration. Across the period, 12 decision points emerged—4 of them critical inflection moments where strategic choices could dramatically alter outcomes.

This scenario distills essential lessons for developing traders and analysts. The 51.1% advance demonstrates how commodity shocks can unfold with remarkable speed, rewarding those with disciplined processes while punishing reactive decision-making. The 5.4% drawdown underscores that even strong trends exact psychological tolls, testing conviction and risk management. The 5.6% single-bar volatility highlights the danger of position sizing without accounting for intraday swings. By confronting these dynamics in a simulated environment, participants can sharpen their frameworks for managing uncertainty, building resilience to market noise, and making more deliberate choices when real capital is not at stake.