Regulation · KOSPI Index (2011)
During the 2011 KOSPI sell-short ban, the index fell 12.5% over 148 trading days. Replay each session, face 25 decision points including 9 critical ones, and receive AI coach review in this simulated training environment.
148 daily bars · 25 decision points · 2011-05 to 2011-12 · Stocks
Key facts
This window spans 215 days with a peak-to-trough drawdown of 24.2% and a 16.7% run-up.
- Max drawdown
- −24.2%
- Max run-up
- +16.7%
- Duration
- 215 days
- Largest single-day move
- −6.2%
- Bars
- 148 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 summer of 2011 found Asian markets navigating treacherous waters as the European sovereign debt crisis cast a long shadow across global exchanges. Korea's financial regulators responded by imposing a short-selling ban on the KOSPI Index, attempting to shield the market from speculative pressure during heightened uncertainty. This policy intervention created a unique experimental environment where traders confronted a declining market stripped of conventional bearish tools, amplifying the stakes of every trading decision.
The KOSPI fell -12.5% over 148 trading days, closing at 1848.41 from an opening of 2111.5. The decline was neither smooth nor gentle: the index experienced a maximum drawdown of 24.2% and its largest single-day swing measured 6.2%. The short-selling prohibition fundamentally altered market dynamics, removing a key exit mechanism for bearish positions and forcing participants to adapt strategies that relied on entirely different assumptions about liquidity and risk.
This replay places trainees face-to-face with 25 decision points, 9 of them critical junctures where directional conviction collided with regulatory constraint and deteriorating fundamentals. The scenario teaches that policy shocks can restructure the risk-reward landscape overnight, that drawdown management matters more than directional accuracy, and that psychological resilience—the discipline to hold, adjust, or exit without panic—often determines whether a strategy survives prolonged stress. No tool works in every environment; recognizing that limitation is itself a skill.