US 20-City Composite Historical Replay: 2008-08 to 2011-01
Replay the US 20-city composite across 30 monthly bars as it falls 14.5% from August 2008 into early 2011, navigating six decision points inside a 15.4% drawdown. You step through each historic month, choose your move, and receive an AI coach review on every decision—simulated capital, educational use only.
30 monthly bars · 6 decision points · 2008-08 to 2011-01 · Property
Key facts
Peak-to-trough drawdown of 15.4% with a 6.9% run-up.
- Max drawdown
- −15.4%
- Max run-up
- +6.9%
- Largest single-month move
- −2.8%
- Bars
- 30 Monthly bars
- Decision points
- 6
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 US 20-city composite index enters this replay at the peak of the subprime mortgage crisis, with the market facing its steepest decline in decades. Over 30 monthly bars spanning August 2008 to January 2011, participants step into the shoes of investors watching their property holdings erode in real time. The stakes are clear: a sector in freefall, a financial system under stress, and no clear bottom in sight.
The index falls 14.5% from 164.65 to 140.78 across the replay window. The maximum drawdown touches 15.4%, meaning anyone holding through the period experienced pain beyond the headline number. The largest single monthly move was 2.8%, underscoring that even within a gradual decline, sudden drops test conviction. Six decision points pepper the path, with two flagged as critical junctures where positioning decisions carried outsized consequences.
This replay distills months of real-world stress into an accelerated decision-training exercise. The primary lesson is methodological: building conviction requires a repeatable framework that survives sustained pressure. Secondarily, the drawdown and volatility data recalibrate risk intuition—the difference between a 2.8% monthly move and a 15.4% cumulative peak-to-trough loss reshapes how one sizes positions and sets mental stops. Psychologically, the scenario forces participants to sit with a losing position, practice emotional neutrality, and distinguish between noise and genuine signals to act or hold. Each of the six decision points becomes a mirror for assessing whether process or emotion drove the prior choice.
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