Commodity Shock · NASDAQ Composite Index (2020)
Replay 142 bars of NASDAQ history from 2019-10-22 to 2020-05-14, when the index climbed 10.4% despite a bruising 30.1% drawdown. Walk through the day-by-day tape, weigh 9 critical decision points, and receive an AI coach review on your simulated choices.
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 34.0% run-up.
- Max drawdown
- −30.1%
- Max run-up
- +34.0%
- 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 Index entered October 2019 at 8104.3, a level that masked growing tensions in global commodity markets. An oil price war between major producers was brewing, while early whispers of a novel coronavirus in Asia suggested supply chain vulnerabilities yet to be priced. For traders replaying this period, the stakes were clear: navigate an index that would ultimately gain 10.4% despite experiencing a brutal 30.1% drawdown, with 9 critical decision points punctuating 142 trading days.
What followed was one of the most volatile stretches in recent market history. The index oscillated wildly, recording a largest single-bar move of 12.3% as newsflow shifted between commodity supply disruptions and pandemic fears. Across 25 decision points embedded in the replay, participants faced the challenge of maintaining conviction through a drawdown that tested even veteran strategies.
This replay teaches that process trumps prediction. The index recovered to 8943.72, but only for those who managed risk rather than chased certainty. The 30.1% drawdown reminds us that drawdowns are not failures of analysis but tests of methodology. Decision training here focuses on calibrating position sizing before volatility strikes and maintaining psychological resilience when a single session moves 12.3%. The lesson: survive the drawdown, and the 10.4% gain takes care of itself.