S&P 400 MidCap Downtrend Replay (2007-12-10 to 2008-01-22)
Replay the 2007-12-10 to 2008-01-22 S&P 400 MidCap correction across 58 daily bars, watching the index slip from 852.27 to 798.61 (-6.3%) with a 15.7% max drawdown. Step through 11 decision points day-by-day, respond to market stress, and receive an AI coach review of your simulated choices for educational insight.
58 daily bars · 11 decision points · 2007-11 to 2008-02 · Stocks
Key facts
This window spans 87 days with a peak-to-trough drawdown of 15.7% and a 9.4% run-up.
- Max drawdown
- −15.7%
- Max run-up
- +9.4%
- Duration
- 87 days
- Largest single-day move
- −3.0%
- Bars
- 58 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 replay unfolds across 58 daily bars spanning late 2007 into early 2008, a period when financial markets were absorbing the early tremors of the credit crisis. The S&P 400 MidCap index, representing mid-sized American companies, provides a focused lens on this turbulent stretch. Participants enter the scenario navigating from December 10, 2007 through January 22, 2008, a window when investor sentiment was shifting and volatility was becoming a persistent feature of trading.
The index retreated from 852.27 to 798.61, delivering a -6.3% loss over the 11 decision points embedded within the 58-bar dataset. This seemingly modest decline masks the underlying stress: maximum drawdown reached 15.7%, and individual sessions produced swings as large as 3.0%, creating an environment where position sizing and exit discipline were constantly tested. The gap between headline decline and actual portfolio pain illustrates why drawdown analysis matters more than simple price change.
For decision trainees, this replay demonstrates that corrections often unfold gradually before accelerating, and that managing through volatility requires discipline over conviction. The 11 decision points, 4 of them marked as critical, force concrete choices under uncertainty. Success here is not about predicting the bottom but about maintaining a sound process when outcomes remain unclear. Psychological resilience, proper risk calibration, and the willingness to adapt positions without panic define the skills this historical episode sharpens.