S&P 400 MidCap Uptrend Replay (2021-09-21 to 2021-11-16)
Replay 82 daily bars of the S&P 400 MidCap from August to December 2021, an authentic period when the index climbed 3.4% despite an 8.5% mid-rally drawdown. Step through each trading day, face 11 decision points including 4 critical junctures, and receive an AI coach review of your simulated choices.
82 daily bars · 11 decision points · 2021-08 to 2021-12 · Stocks
Key facts
This window spans 117 days with a peak-to-trough drawdown of 8.5% and a 10.6% run-up.
- Max drawdown
- −8.5%
- Max run-up
- +10.6%
- Duration
- 117 days
- Largest single-day move
- −3.2%
- Bars
- 82 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 S&P 400 MidCap index offers a focused training ground for understanding mid-cap equity dynamics during a pivotal transition period. This replay covers 82 daily bars from 2021-08-20 to 2021-12-15, immersing participants in the authentic pressures faced by investors managing positions in this often-overlooked market segment. The era of late summer through year-end 2021 presented classic challenges: an economy adjusting to shifting Fed signals, sector rotations gaining momentum, and volatility creating both risk and opportunity in equal measure.
The index closed the period at 2766.65, up from 2675.67, delivering a 3.4% gain. Yet the journey proved far bumpier than the net result suggests. An 8.5% maximum drawdown tested resolve mid-rally, while a largest single-bar move of 3.2% reminded participants that intraday volatility can strike without warning. Navigating 11 decision points—4 deemed critical—required participants to act deliberately rather than react impulsively.
This replay teaches that process beats prediction in turbulent markets. The lesson centers on three pillars: rigorous risk management when facing a measured drawdown, disciplined decision-making at inflection points, and emotional steadiness when short-term noise obscures long-term direction. Participants learn that even a modest net return can mask valuable lessons about conviction, patience, and the psychology of holding through adversity.