Grid trading is an active trading strategy that utilizes market volatility to profit. Its essence is to use the repeated price movements of investment targets within the grid range during a period of volatility to increase and reduce positions, in order to achieve the goal of maximizing investment returns. Simply put, it means establishing different quantities Different sizes of grids should build positions when breaking through the grid and reduce positions when returning to the grid, striving to capture the trend of price fluctuations and achieve profitability.