South Korean stock markets experienced a dramatic sell-off Wednesday, triggering a circuit breaker halt to trading as concerns over a potential escalation of conflict between the United States and Iran roiled global markets. The benchmark KOSPI index fell as much as 12% during the session, briefly threatening the 5,000-point level, while the tech-heavy KOSDAQ plunged 13%, dipping below 990 points.
The circuit breaker, a mechanism designed to temporarily halt trading during periods of extreme volatility, was activated for 20 minutes. This marked the fourth time both the KOSPI and KOSDAQ have simultaneously triggered circuit breakers, a previous occurrence being in August 2024, linked to unfavorable U.S. Economic indicators and the unwinding of the Yen carry trade. Earlier instances occurred in March 2020, coinciding with the onset of the COVID-19 pandemic and subsequent global recession fears.
The sharp decline was fueled by a broad-based sell-off, with foreign investors leading the exodus. These investors offloaded approximately trillions of won worth of domestic stocks on both Tuesday and Wednesday, focusing heavily on major companies like Samsung Electronics and SK Hynix, exacerbating the market’s downward spiral. The scale of foreign selling is reportedly contributing significantly to the market shock.
In response to the market turmoil, South Korean financial authorities are reportedly considering activating the Securities Market Stabilization Fund (SMSF), a mechanism designed to provide liquidity and support during periods of extreme market stress. Sources indicate the potential size of the fund could reach 10 trillion won, a level comparable to the funds deployed during the COVID-19 pandemic. The fund’s activation would aim to stabilize the market and prevent further panic selling.
The market’s reaction follows escalating tensions in the Middle East, specifically concerns surrounding a potential military confrontation between the United States and Iran. The precise nature of the conflict and its potential impact on global energy supplies and economic stability remain uncertain, contributing to investor anxiety. The initial market weakness was triggered by program selling, prompting a temporary suspension of program trade execution, but failed to stem the broader decline.
Financial authorities have not yet confirmed the activation of the SMSF, but are actively reviewing options to mitigate the impact of the market volatility. The situation remains fluid, and further developments are expected as the international community assesses the evolving geopolitical landscape.