Crash · NASDAQ Composite Index (2020)
Replay 142 trading days of the NASDAQ Composite from October 2019 to May 2020, navigating a 30.1% max drawdown. Make decisions across 9 critical points, then review your choices with an AI coach in a simulated, educational environment.
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 30.1% and a 36.7% run-up.
- Max drawdown
- −30.1%
- Max run-up
- +36.7%
- Duration
- 205 days
- Largest single-day move
- −12.3%
- 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 NASDAQ Composite entered the final months of 2019 trading near historic highs, only to face a crisis that would test every investor's conviction. This replay spans 142 trading days from October 2019 to May 2020, covering both the late 2010s bull market and the unprecedented volatility of the early 2020s. Participants must navigate a 30.1% maximum drawdown while managing 25 decision points, including 9 critical junctures where portfolio outcomes could diverge dramatically.
The index opened at 8276.85 and ultimately closed at 9284.88, delivering a net gain of 12.2% — yet this headline number obscures a harrowing journey. The market traversed the 2010s into the 2020s, and the largest single-bar move reached 12.3%, a testament to the extreme volatility that defined this period. Surviving such swings required disciplined risk management and emotional resilience.
This scenario exposes the psychological traps that derail even experienced traders: recency bias, loss aversion, and the temptation to abandon sound process during peak fear. The 9 critical decision points serve as crucibles where participants confront their risk tolerance and discover whether their stated investment philosophy survives under real pressure. Success here depends not on predicting the market, but on maintaining disciplined process when certainty collapses.