Crash · S&P 500 Index (2020)
Replay 142 daily bars of the S&P 500 from late 2019 to May 2020, navigating a 33.9% drawdown. Step through the era as the index falls from 3036.89 to 2948.51, make decisions at 25 points, and receive an AI coach review of your choices in this simulated educational market-replay.
142 daily bars · 25 decision points · 2019-10 to 2020-05 · Stocks
Key facts
This window spans 205 days with a peak-to-trough drawdown of 33.9% and a 32.8% run-up.
- Max drawdown
- −33.9%
- Max run-up
- +32.8%
- Duration
- 205 days
- Largest single-day move
- −12.0%
- Bars
- 142 Daily bars
- Decision points
- 25
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 500 entered the final months of 2019 in seemingly tranquil territory, yet the index would soon traverse one of the most turbulent periods in modern market history. This replay spans 142 daily bars from 2019-10-29 to 2020-05-21, covering the 2010s and 2020s decades, as traders and investors faced a fundamental reassessment of risk across every sector.
The numbers tell a stark story. From an opening reference point of 3036.89, the index ultimately settled at 2948.51 by the replay's end, representing a modest -2.9% net decline. Yet this figure obscures the true volatility: the market experienced a maximum drawdown of 33.9% at its trough, while individual sessions saw moves as large as 12.0%. Navigating this environment required decisions at 25 distinct points, with 9 deemed critical moments where positioning and risk management determined outcomes.
The educational value lies in process over prediction. Participants must confront the psychological challenge of holding positions through extreme drawdowns while maintaining discipline around position sizing and exit strategies. This scenario strips away hindsight bias, forcing realistic engagement with uncertainty, incomplete information, and the emotional calculus of risk when conventional correlations break down.