Leveraged

• The KOSPI index plunged 20% in July, driven by extreme market volatility and high-risk leveraged bets by South Korean retail investors. • Investors are utilizing massive amounts of borrowed cash, with margin loans totaling 34.37 trillion won ($23 billion) this week, following a June peak of 38.6 trillion won. • Market instability is further fueled by concentrated bets in leveraged ETFs, such as a Hong Kong-listed SK Hynix fund that has grown 20-fold this year to $7.78 billion.

• South Korean regulators have frozen the issuance of new single-stock leveraged tech ETFs following extreme volatility in the KOSPI index. • The crackdown includes tripling retail margin requirements to curb speculative AI-driven bets that have decoupled from the stable earnings of giants like Samsung and SK Hynix. • This move matters as it aims to protect retail investors from the "Roller KOSPI" effect, where high-leverage trading amplified market swings during the AI chip rally.

• South Korea's AI stock boom has shifted into a market rout, highlighted by a significant plunge in SK Hynix shares that triggered billions in stock sales. • The decline has deepened the slide of the Kospi index, exacerbated by high levels of leverage and concentrated index weightings that amplified volatility. • This downturn serves as a cautionary tale regarding the risks of leveraged excess during speculative AI-driven rallies.

• South Korean lawmakers and investors are expressing growing unease over leveraged ETFs, which are criticized for potentially amplifying market volatility. • Policymakers are now demanding regulatory fixes to address the risks associated with these high-risk financial instruments. • The issue matters as these products can lead to significant losses for retail investors during sharp market swings, threatening overall financial stability.

• The Kospi has triggered 31 sidecars so far in 2026, surpassing the previous historical record set in 2008. • Extreme market volatility is being driven by heavy trading in semiconductor stocks, specifically Samsung Electronics and SK hynix, as well as leveraged ETFs. • This surge in speculative trading has amplified instability within South Korea's stock market, prompting concerns over systemic risk.

• A significant selloff in AI-related stocks in South Korea has reignited concerns regarding the risks associated with leveraged exchange-traded funds (ETFs). • The market downturn has specifically impacted retail investors who utilized these high-risk instruments to amplify gains from the AI boom. • This volatility highlights the danger of "volatility decay" and the potential for rapid capital loss when leveraged products move against the investor.