S&P 400 MidCap Downtrend Replay (2008-08-28 to 2008-09-17)
Relive a brutal 2008 stretch as the S&P 400 MidCap slid from 821.84 to 753.27, a -8.3% decline with a 10.8% drawdown. Replay 30 daily bars step by step, make decisions at 7 pivot points, and receive an AI coach review, all in simulated capital.
30 daily bars · 7 decision points · 2008-08 to 2008-09 · Stocks
Key facts
This window spans 42 days with a peak-to-trough drawdown of 10.8% and a 9.3% run-up.
- Max drawdown
- −10.8%
- Max run-up
- +9.3%
- Duration
- 42 days
- Largest single-day move
- +4.9%
- 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 summer of 2008 was a precarious moment for U.S. equities. As the global financial crisis began to cast its shadow, the S&P 400 MidCap index — a gauge of medium-sized American companies — faced mounting headwinds. From mid-August through late September, this segment of the market entered a treacherous phase, forcing investors and traders to navigate uncertainty with limited visibility. The replay spans 30 daily bars, placing participants directly into the action at 7 pivotal decision points.
What unfolded was a sustained decline. The index fell from 821.84 to 753.27, translating to an overall loss of -8.3% with a peak drawdown of 10.8%. A single session saw moves as large as 4.9%, illustrating how quickly sentiment could shift. Participants reliving this period witness the compounding pressure of consecutive down days, the challenge of holding positions through heightened volatility, and the difficulty of distinguishing temporary pullbacks from structural breaks.
For decision training, this replay emphasizes process over prediction. With 7 decision points embedded in the historical data, traders can practice entries, exits, and position sizing without real capital at risk. The scenario tests risk management discipline — specifically how one responds to a 10.8% drawdown without abandoning a sound strategy. It also reveals psychological traps: recency bias, panic selling, and the temptation to average down. Learning to act from a defined plan rather than reacting to fear is the core lesson embedded in this historical correction.