S&P 400 MidCap Uptrend Replay (1984-10-10 to 1985-07-17)
Replay 150 daily bars from November 1984 to June 1985 as the S&P 400 MidCap climbed 16.9% in a steady uptrend. Make your own choices at each decision point, then receive an AI coach review of your simulated trades.
150 daily bars · 11 decision points · 1984-11 to 1985-06 · Stocks
Key facts
This window spans 217 days with a peak-to-trough drawdown of 3.0% and a 21.0% run-up.
- Max drawdown
- −3.0%
- Max run-up
- +21.0%
- Duration
- 217 days
- Largest single-day move
- −1.7%
- Bars
- 150 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
In the early 1980s the U.S. economy was emerging from a recession, with interest rates gradually declining and corporate earnings beginning to recover. The S&P 400 MidCap index, which tracks medium‑size companies, offered a window into this transition. This replay covers the 150 daily bars from November 8 1984 to June 13 1985, giving participants a chance to navigate a sustained uptrend and test their decision‑making in a historical context where the market was climbing steadily.
Over that span the index moved from a close of 50.03 to 58.49, a gain of 16.9 percent. The ride was not without pauses: the maximum drawdown was only 3.0 percent, and the largest single‑bar move was 1.7 percent, indicating modest daily fluctuations around a clear upward trajectory. Traders faced eleven decision points, four of which were marked as critical, demanding explicit choices about entry, exit, or position sizing.
This scenario trains three core skills. First, process: participants must follow a systematic approach to track price action and apply rules at each decision point. Second, risk: a limited max drawdown and small daily swings underscore the importance of disciplined stop‑losses and avoiding over‑reaction to minor pullbacks. Third, psychology: maintaining conviction in a gradual rise while managing the fatigue of multiple critical choices sharpens emotional control and reinforces patience over impulse.
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