The red line, white line, green line, yellow line and blue line on the stock K-line have the following meanings: \x0d\ White line stands for 5-day moving average MA5\x0d\ Yellow line stands for 10 moving average MA/kloc-0 \ x0d \ Green line stands for 20-day moving average MA20\x0d\ Blue line stands for 30-day moving average Ma30 \. Because we make it linear, it is generally called moving average, or MA for short. Is the sum of the closing prices in a certain period of time divided by the period. For example, the daily line MA5 refers to the closing price in five days divided by five. The common lines of EMA are 5 days, 10 days, 30 days, 60 days, 120 days and 240 days. Among them, the short-term moving averages of 5 days and 10 days. It is a reference index of short-term operation, called moving average index; 30 days and 60 days are medium-term moving average indicators, called quarterly moving average indicators; 120 and 240 days are long-term moving average indicators, which are called annual moving average indicators. The investigation of the moving average is generally carried out from several aspects. \x0d\ Shareholders' friends can use the moving average as a reference index when selecting stocks, and the moving average can reflect the price trend. The so-called moving average is to average the stock prices in a certain period of time and then make an average image based on this average. Shareholders and friends can analyze the daily K-line chart and moving average in the same picture, which is very intuitive and clear.