Crash · NASDAQ Composite Index (2020)
Replay 142 turbulent daily bars as the NASDAQ Composite navigates a 30.1% drawdown between October 2019 and May 2020. You will face 25 decision points across this simulated market environment, with AI coach review guiding your historical learning experience.
142 daily bars · 25 decision points · 2019-10 to 2020-05 · Stocks
Key facts
This window spans 207 days with a peak-to-trough drawdown of 30.1% and a 34.6% run-up.
- Max drawdown
- −30.1%
- Max run-up
- +34.6%
- Duration
- 207 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 Index serves as a broad gauge of technology-sector health, and between October 2019 and May 2020 it traversed one of the most treacherous periods in its history. Over 142 daily bars, this simulated environment places you inside a market confronting an unprecedented global health emergency. What was at stake was not merely portfolio value but the fundamental challenge of decision-making when familiar reference points dissolve.
The index opened at 8243.12 and closed at 9185.1, delivering an 11.4% return for the full period—yet this headline figure obscures violent underlying turbulence. The maximum drawdown reached 30.1%, meaning peak-to-trough losses wiped out nearly a third of peak value at various points. The largest single-bar move of 12.3% in either direction illustrates how daily price swings could exceed what most investors experience in years. With 25 decision points embedded across the replay, including 9 marked as critical junctures, every entry and exit carried amplified consequence.
This replay trains three essential competencies: process discipline under chaos, when mechanical adherence to rules often conflicts with emotional instinct; risk calibration, as position sizing decisions made before the storm determine survival during it; and psychological flexibility, the capacity to update views without capitulating to panic. The historical record shows recovery eventually arrived, but the path was neither smooth nor predictable. Mastering that uncertainty—not predicting the bottom—defines the skill this scenario develops.