Leverage Trading Focus Causes KOSPI to Fall Below 6,800, Semiconductor Market Cap Drops by 1,522 Trillion Won
On July 14, 2026, the KOSPI plummeted to the 6,800 level due to concentrated trading in single-stock leverage, triggering a circuit breaker. Four of the top 10 traded stocks were leverage products, resulting in a loss of 1,522 trillion won in the semiconductor market cap. SMEC secured a contract for semiconductor equipment supply, and the government is considering special supply of private apartments for workers in the mega-special zone.

On July 14, 2026, concentrated trading in single-stock leverage led the KOSPI to drop to the 6,800 level, triggering a circuit breaker. There were instances of temporary trading suspension during the session.
Among the top 10 traded stocks, four were single-stock leverage products. The concentration of leverage trading was identified as a key variable for the sharp decline on the day.
Meanwhile, some market observers reported that mechanical selling flows of leverage intensified the drop. Increased selling volumes led to greater price volatility.
The semiconductor sector faced significant shock. It was reported that 1,522 trillion won evaporated from the semiconductor market cap.
The impact from SK Hynix was reflected in the fluctuations in the market cap. Sector concentration expanded downward pressure in the market.
Corporate disclosures were also made. SMEC announced that it has secured contracts for machine tools and semiconductor equipment supply.
There were also policy updates. The government announced that it is considering special supply of private apartments for workers in the semiconductor mega-special zone.
Overall, the day’s market performance is summarized as a result of simultaneous concentration of leverage trading and shock in the semiconductor sector.