Brent Crude Oil Historical Replay: 2021-09 to 2021-12
Replay Brent crude oil from September to December 2021 and feel a 20.3% drawdown shake a 64-bar window. You move day-by-day through 11 decision points, including 4 critical ones, while an AI coach reviews each simulated trade for educational insight.
64 daily bars · 11 decision points · 2021-09 to 2021-12 · Commodities
Key facts
This window spans 90 days with a peak-to-trough drawdown of 20.3% and a 20.9% run-up.
- Max drawdown
- −20.3%
- Max run-up
- +20.9%
- Duration
- 90 days
- Largest single-day move
- −11.6%
- 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
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
The 2020s energy landscape found itself at an inflection point in autumn 2021. Brent crude oil, the global oil benchmark, entered a 64-day replay window from September 8 to December 7, 2021, navigating a period marked by supply constraints, demand recovery, and geopolitical tensions in key producing regions. This was not merely a price exercise but a test of decision-making under conditions where energy security concerns dominated headlines and market psychology shifted rapidly between fear and complacency.
What unfolded challenged any simple narrative of directional conviction. The period delivered a maximum drawdown of 20.3%, with the largest single-bar move reaching 11.6%—volatility that could easily unsettle even prepared participants. Despite these dramatic swings, the closing price moved from 72.6 to 75.44, a modest 3.9% gain spread across 64 daily bars. Navigating 11 decision points, including 4 critical ones, required participants to recalibrate positions repeatedly as the market failed to deliver clean trends.
This replay teaches that survival in volatile commodity markets demands more than directional conviction. The 20.3% drawdown reminds participants that tail risk is real, while the gap between intraday volatility and net price change highlights the danger of overtrading. The four critical decision points offer concentrated practice in managing fear, greed, and information overload—skills that transfer across markets and time periods.
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