Fibonacci callback line in foreign exchange MT4, also known as the golden section line, is mainly used to find a suitable entry point through the calculation of callback or rebound space division, and at the same time to grasp the target position of the market outlook through the golden section expansion, as shown in the following figure.

Here is a principle of drawing lines. MT4 software draws lines from left to right, and then there is the problem of selecting points. Through the choice of price structure, we can only accumulate experience through repeated quotation and firm offer analysis. Golden section comprehensive use skills poke this.