South Korea is facing a surge in investment into single-stock leveraged Exchange Traded Funds (ETFs), with approximately 7 trillion won (roughly $5.3 billion USD) flowing into these high-risk products. SK Hynix has been a primary beneficiary, attracting significant capital. This rapid influx of funds has prompted the South Korean government to implement stricter regulations, aiming to curb excessive speculation and protect investors. Concerns center around the volatility and potential for substantial losses associated with leveraged ETFs, especially amongst retail investors. The new measures seek to limit excessive trading and enhance risk disclosure. It remains to be seen whether these government interventions will effectively cool the market and mitigate the risks. The situation highlights growing anxieties about speculative investment trends in the region.