S&P 400 MidCap Downtrend Replay (2008-09-19 to 2008-10-09)
Step into the 2008-09 to 2008-10 midcap storm as the S&P 400 MidCap fell 24.3% across 30 daily bars. You replay each trading day, tackle 7 decision points, and receive an AI coach review in a simulated, educational environment.
30 daily bars · 7 decision points · 2008-09 to 2008-10 · Stocks
Key facts
This window spans 41 days with a peak-to-trough drawdown of 33.4% and a 10.7% run-up.
- Max drawdown
- −33.4%
- Max run-up
- +10.7%
- Duration
- 41 days
- Largest single-day move
- +10.5%
- Bars
- 30 Daily bars
- Decision points
- 7
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 S&P 400 MidCap index entered September 2008 amid the deepening global financial crisis, a period when mid-sized companies faced acute funding pressures and heightened uncertainty. Investors navigating this market confronted a landscape where traditional valuation metrics were being stress-tested by Lehman Brothers' collapse and subsequent credit market seizures. This scenario captures 30 trading days where each decision carried significant portfolio implications.
From September 9 to October 20, 2008, the index plummeted from 765.22 to 579.52, representing a 24.3% decline. The maximum drawdown reached 33.4%, with the largest single-day move spanning 10.5%, underscoring the extreme volatility that characterized this period. Seven decision points were embedded throughout the replay, with three deemed critical moments where positioning and risk management determined outcomes.
This replay emphasizes process over prediction, training participants to manage positions through extreme drawdowns while maintaining disciplined risk parameters. The scenario illustrates how psychological resilience and adherence to pre-defined rules become paramount when markets exhibit violent, directional moves. Participants learn to distinguish between short-term noise and structural shifts, developing the emotional composure necessary to execute strategies under duress.