Boom · KOSPI Index (2024)
Replay 150 daily bars of the KOSPI from October 2023 to May 2024 as the index climbed 11.0% amid policy-driven volatility. Step through each trading day, tackle 26 decision points including 9 critical ones, and receive an AI coach review of your simulated choices.
150 daily bars · 26 decision points · 2023-10 to 2024-05 · Stocks
Key facts
This window spans 223 days with a peak-to-trough drawdown of 8.8% and a 21.0% run-up.
- Max drawdown
- −8.8%
- Max run-up
- +21.0%
- Duration
- 223 days
- Largest single-day move
- +5.7%
- Bars
- 150 Daily bars
- Decision points
- 26
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 Korean stock market entered a pivotal phase as the KOSPI Index began its replay window on October 20, 2023, extending through May 2024. This 150-day period unfolded against a backdrop of evolving monetary policy signals and sector rotation themes that demanded constant reassessment of risk exposure. For participants replaying this era, the central question was how to navigate an environment where policy shifts could rapidly alter market sentiment and create both opportunity and peril.
What transpired over these 150 daily bars was an 11.0% climb from 2375 to 2635.44, a seemingly modest but hard-won advance. The journey was anything but linear: an 8.8% maximum drawdown tested conviction, while a 7% single-session surge reminded traders how quickly momentum could shift. These price oscillations shaped the market's character and demanded disciplined position management throughout the session.
This replay scenario distills the experience into 26 decision points, with 9 marked as critical moments that could have meaningfully altered outcomes. Participants practice reading policy cues, managing drawdown risk, and maintaining psychological discipline when volatility spikes. The historical context transforms abstract concepts into visceral learning moments, making this a valuable training ground for anyone seeking to sharpen their decision-making under uncertainty.