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Bank of Korea Warns Leveraged ETFs Exacerbate Market Volatility

Electronic Technology · Semiconductors · yonhap_finance · 2026-09-10

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The Bank of Korea identifies the surge in leveraged ETF investments and heavy reliance on semiconductor stocks as key drivers of recent domestic market volatility.

What Happened

Leveraged ETFs and Volatility: The Bank of Korea reported that the rapid growth of leveraged ETF investments has become a significant factor in amplifying stock market volatility. The central bank noted that increased leverage in international markets has triggered hedging activities in domestic spot and futures markets, leading to unforeseen ripple effects.

Semiconductor Concentration: The report highlights that the KOSPI index is heavily influenced by a few semiconductor giants, specifically Samsung Electronics and SK Hynix. These companies have accounted for a massive portion of index fluctuations, making the broader market highly sensitive to shifts in the memory chip industry cycle.

Market Liquidity Pressures: Significant selling pressure from foreign investors and the liquidation of retail 'debt-financed' positions have further destabilized the market. These factors have exacerbated both upward and downward price movements, creating a challenging environment for market stability.

Policy Recommendations: The Bank of Korea plans to strengthen monitoring of leveraged ETFs and margin-based trading in the short term. In the long run, the bank advocates for improving market resilience by diversifying the investor base and reducing the heavy concentration of market weight in specific sectors.

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