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Copper Historical Replay: 2011-09 to 2011-12

CommoditiesBase MetalsCNCrash2011-09 to 2011-12Difficulty 3/5FreeView charts

Replay 64 daily bars of base-metals volatility from September to December 2011 as copper fell 14.0% into a 26.2% drawdown. You make decisions at 11 points across this historical crash scenario, then receive an AI coach review of each choice in a simulated, educational environment.

64K lines
11Decision points
3Difficulty
DailyGranularity

64 daily bars · 11 decision points · 2011-09 to 2011-12 · Commodities

Key facts

This window spans 90 days with a peak-to-trough drawdown of 26.2% and a 21.3% run-up.

Max drawdown
−26.2%
Max run-up
+21.3%
Duration
90 days
Largest single-day move
−7.2%
Bars
64 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

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 the base metals market, copper's journey from September through December 2011 unfolded against a backdrop of global economic uncertainty and shifting industrial demand expectations. The 2010s were proving particularly challenging for commodities, and copper, as a bellwether for economic activity, bore the brunt of deteriorating sentiment. Participants in this scenario faced the task of navigating a sustained downtrend with 11 decision points punctuating the journey, 4 of which were flagged as critical junctures demanding heightened attention.

The data tells a stark story: across 64 daily bars spanning September 8, 2011 to December 7, 2011, copper prices fell from 4.13 to 3.55, representing a total decline of 14.0%. The journey proved far more violent than the headline figure suggests, with the maximum drawdown reaching 26.2% and the largest single-bar move hitting 7.2%. Such volatility created an environment where positions could deteriorate rapidly, testing the resolve of anyone holding long exposure through the correction.

This replay is designed to train decision-makers in the art of managing through disorder rather than predicting it. The scenario forces participants to confront the gap between expecting volatility and actually experiencing a 26.2% drawdown in real time. Key lessons center on position sizing discipline, the psychological challenge of holding through large single-bar moves, and the importance of having predetermined criteria for both entry and exit. By replaying authentic market behavior without the benefit of hindsight, traders and analysts can build the muscle memory needed to act methodically when history is actually unfolding.