RSI indicators 20 and 80 are two important values. When the indicator reaches 20, it indicates that the market has entered the oversold area, and at the same time, considering buying more points in combination with the golden section resistance, when the indicator reaches 80, it indicates that the market has entered the overbought area, and considering short points in combination with the golden section resistance;

The method of K-line to judge long and short is to see whether the resistance position of golden section is stagflation, so as to judge long and short and future price direction.