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JPMorgan blames leveraged ETFs for KOSPI plunge

Reported by Opalesque
Jul 20, 2026· 2 min read
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Key Takeaways
  • • JPMorgan identified leveraged ETF deleveraging as the primary driver behind the KOSPI's recent sharp decline, pointing to forced liquidations in these structured products as the mechanical cause of downward pressure.
  • • Foreign selling pressure on the South Korean benchmark index is gradually easing as leveraged ETF liquidations progress toward completion, suggesting the acute phase of the selloff may be moderating.
  • • The analysis attributes the market plunge to a specific structural mechanism—deleveraging in leveraged ETF portfolios—rather than broader macroeconomic deterioration, with implications for timing of potential stabilization.
Summary
JPMorgan has attributed the recent significant decline in South Korea's KOSPI index to deleveraging activity within leveraged exchange-traded funds. According to the bank's assessment, forced liquidations of positions held within these leveraged products created substantial mechanical selling pressure on the benchmark, rather than the decline stemming primarily from broader macroeconomic or fundamental factors affecting the Korean equity market.

The analysis carries particular relevance for institutional investors with exposure to Asian equity markets, as it identifies a structural liquidity event as the source of volatility. Leveraged ETFs, which use borrowed capital or derivatives to amplify returns, are inherently prone to forced selling during market stress as their underlying mechanics require rebalancing or position reduction to maintain target leverage ratios. When underlying holdings decline, these products must sell assets to restore their leverage, creating a self-reinforcing downward spiral in security prices.

JPMorgan's assessment suggests that as this deleveraging process has advanced substantially, the acute selling pressure from these forced liquidations is beginning to ease. This characterization implies that the most aggressive phase of the KOSPI decline may be moderating, as the liquidation process reaches completion. The bank's outlook appears to anticipate stabilization as the technical delevering mechanism unwinds, distinguishing this view from scenarios where fundamental weakness would imply extended downward pressure.

For hedge funds and alternative investors tracking Korean equities or regional market dynamics, this assessment provides a framework for distinguishing temporary structural dislocation from persistent weakness, with potential implications for position timing and tactical allocation decisions in the region.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Opalesque JPMorgan blames leveraged ETFs for KOSPI plunge