Boom · KOSPI Index (2024)
Replay 144 daily bars of the KOSPI from 2023-11-08 to 2024-06-11, watching the index climb 11.7% from 2421.62 to 2705.32. Step through each trading day, tackle 25 decision points, and receive an AI coach review of your simulated choices.
144 daily bars · 25 decision points · 2023-11 to 2024-06 · Stocks
Key facts
This window spans 216 days with a peak-to-trough drawdown of 8.8% and a 14.7% run-up.
- Max drawdown
- −8.8%
- Max run-up
- +14.7%
- Duration
- 216 days
- Largest single-day move
- +2.9%
- Bars
- 144 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 Korean stock market entered a significant phase as the KOSPI Index began its historical replay period spanning from November 2023 to June 2024. This 144-trading-day journey represented a critical segment of the 2020s decade, capturing a market navigating post-pandemic economic adjustments and evolving monetary policy expectations. The index started at 2421.62 points, presenting participants with a realistic simulation of institutional and retail decision-making pressures during a period of gradual recovery and sector rotation.
The replay witnessed the KOSPI climb 11.7% to reach 2705.32 points by June 2024. However, this upward trajectory was neither smooth nor linear—the index experienced a maximum drawdown of 8.8%, creating moments of genuine uncertainty. The largest single-bar movement of 2.9% demonstrated that even within a rising market, volatility spikes could challenge even seasoned participants. Twenty-five decision points, including 9 critical junctures, punctuated this period, each demanding careful position assessment and risk calibration.
This replay teaches that process discipline outweighs outcome prediction in market participation. The 8.8% drawdown reminds participants that temporary setbacks are inherent to any market journey, testing conviction and forcing honest evaluation of position sizing. The presence of 9 critical decision points emphasizes that market success depends on preparation for high-stakes moments rather than routine navigation. Participants learn that psychological resilience—maintaining composure during volatility spikes like the 2.9% single-bar moves—distinguishes consistent decision-makers from reactive ones. The 11.7% overall gain illustrates that patient capital allocation and disciplined risk management can capture meaningful moves without requiring precise entry and exit timing.