Samsung and Hynix leveraged ETF listed on the first day, and the investor training website server was overwhelmed and paralyzed.

On the 27th, individual stock leverage products from Samsung Electronics and SK Hynix were listed for the first time in South Korea. The server of the Financial Investment Education Institute crashed amidst the investment frenzy. Due to investors rushing to complete the mandatory training required for trading the products, the homepage of the website has actually "crashed". At the same time, individual stock leverage products rose by about 20%. According to the Financial Investment Education Institute of the Korea Financial Investment Association, the number of website users surged at 2 pm that day, causing the server to be inaccessible. Before the opening of the morning session, there were connection delays before 8 am, and afterwards the website was completely inaccessible. The day before, the number of simultaneous online users approached 9,000, causing temporary interruptions in connection. A spokesperson for the Korea Financial Investment Association explained: "Starting in the morning, the number of simultaneous online users reached a level of 6,000 to 7,000, causing connection delays."