Samjeon-nics Leverage plunges, halving in one week and causing major investor losses
2026 year 7 month 8 day, 'Samjeon-nics Leverage' plunged, with some investors recording returns of -50%, while cases of losses of around -40% within a week were reported. Trading drew trillions of won per day, and the KOSPI plunged 5% on the same day, triggering a sell-side circuit breaker.

2026 year 7 month 8 day, investors said that 'Samjeon-nics Leverage' plunged, with some investors recording returns of -50%. Trillions of won in daily trading flowed into the product on the same day.
Reports emerged that the price of the leverage product had fallen to roughly half within a week. Some investors complained that they had suffered losses of around -40% in just one week.
One investor said that the 5,000ten thousand won they held had been reduced by half. As trading concentrated, sentiment toward buying and selling reportedly changed sharply among individual investors.
The flow of investor trading is also changing. Reports indicate that some of the funds that had previously been betting primarily on Samsung Electronics moved into SK hynix.
On the same day, the KOSPI plunged by 5% in early trading, triggering a sell-sidecar. It was later reported that the market pared its losses and closed around flat.
Some articles reported that the leveraged product in question showed large short-term swings, significantly increasing losses for retail investors. Trading value and price volatility for related products were cited as major news in the day's market.