US 20-City Composite Historical Replay: 2020-11 to 2023-04
Replay the U.S. 20-city composite surge of 28.9% from late 2020 through early 2023 across 30 monthly bars. Step through each decision point, respond to market shocks, and receive an AI coach review of your reasoning in this simulated training environment.
30 monthly bars · 6 decision points · 2020-11 to 2023-04 · Property
Key facts
Peak-to-trough drawdown of 6.7% with a 33.5% run-up.
- Max drawdown
- −6.7%
- Max run-up
- +33.5%
- Largest single-month move
- +3.1%
- 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
In late 2020, the U.S. residential property market entered an extraordinary recovery phase. The 20-city composite index, tracked across 30 monthly bars from November 2020 through April 2023, captured a market still absorbing the shocks of the pandemic while responding to historically low interest rates and shifting housing demand. Investors and analysts faced the critical question of whether this post-COVID surge represented sustainable growth or a speculative bubble that could quickly deflate.
The composite index rose from 238.78 to 307.82, delivering a 28.9% gain over the period. Yet this headline number conceals significant volatility management requirements: a maximum drawdown of 6.7% tested conviction at multiple points, while the largest single monthly move of 3.1% demanded disciplined risk responses. Across six decision points—two of them critical inflection moments—participants had to calibrate their exposure to these oscillating conditions.
For decision training, this scenario exposes the psychological tension between chasing a strong trend and protecting capital from unexpected reversals. The 6.7% drawdown reminds practitioners that even a 28.9% overall gain involves navigating periods of paper losses that test emotional discipline. The lesson centers on building systematic processes that define entry and exit criteria before volatility makes rational thinking difficult.
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