Financial investment cooperatives and securities companies push for investor protection. Rebalancing transaction timing, distribution plan, tool volume, and amount require further discussion. As concerns grow that Samsung Electronics and SK Hynix's single-stock leveraged exchange-traded fund (ETF) is increasing volatility in the domestic stock market, the securities industry has decided to promote investor protection measures such as raising the basic deposit amount. However, specific implementation plans, such as how much to increase the deposit, require further discussion.