US National (Case-Shiller, 2000+) Historical Replay: 2003-07 to 2005-12
Replay the U.S. national Case-Shiller index from July 2003 to December 2005, a 33.8% climb across 30 monthly bars before the housing peak. Step through each historical day, face 6 decision points (2 critical), and receive AI coach review on your simulated choices.
30 monthly bars · 6 decision points · 2003-07 to 2005-12 · Property
Key facts
- Max run-up
- +33.8%
- Largest single-month move
- +1.6%
- 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 replay centers on the U.S. national Case-Shiller home price index, tracking 30 monthly bars from July 2003 through December 2005. This period sits squarely within the early 2000s housing boom, sandwiched between the Fed's rate cuts that fueled the bubble and the eventual tightening that preceded its deflation. Six decision points are embedded in the historical tape, with two flagged as critical nodes where policy signals or price behavior demanded sharper judgment. Participants enter a market that looks deceptively calm from a distance but hides genuine complexity in its trajectory.
The index climbed from 134.65 to 180.11, delivering a 33.8% return across the full span. Notably, the maximum drawdown measured 0.0%, meaning the close never retreated below its prior level at any monthly close. The largest single-bar move amounted to just 1.6%, reflecting remarkably low volatility for a real estate market that would later prove catastrophic. The steady ascent occurred without meaningful setbacks, creating an environment where patience appeared vindicated and caution seemed excessive.
For decision training, this scenario tests how participants respond when the market offers no visible stress yet the macro backdrop carries growing risks. The low-volatility profile challenges risk-management instincts; with drawdown at zero, disciplined position sizing and exit planning become harder to justify in real time. The critical decision points likely coincided with Fed communications or early signs of unsustainable acceleration, requiring participants to act on incomplete information and probabilistic thinking rather than confirmed price signals.
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