Hello, Tonghuo.com has the answer for you:

How to call up: Open the daily K-line chart of the market or stock, right-click on the blank space, and select 4 hours. .

K-line chart is also called candle chart, Japanese line, Yin-Yang line, bar line, red and black line, etc. The commonly used term is "K-line". It is plotted based on the opening, high, low and closing prices for each analysis period.

K-line chart is a type of technical analysis. It was first created by the Japanese in the 19th century. It originated from the rice market trading in Japan during the Tokugawa Shogunate era (1603-1867) in the 18th century. It was used to Calculate the daily rise and fall of rice prices. It was used by merchants in the Japanese rice market at that time to record the market conditions and price fluctuations of the rice market, including the opening price, closing price, highest price and lowest price. The white candlestick represents the rise of the market on that day, and the black candlestick represents the fall. city. This kind of chart analysis method was particularly popular in China and even the entire Southeast Asia region at that time. Because the shape of the chart drawn by this method is quite like a candle, and these candles are black and white, it is also called a Yin and Yang line chart. Through the K-line chart, people can completely record the market performance of each day or a certain period. After a period of trading, the stock price will form a special area or pattern on the chart. Different forms show different meanings. Some regular things can be found out from the changes in these forms. K-line chart patterns can be divided into reversal patterns, consolidation patterns, gaps and trend lines, etc. The post-K line chart was introduced to the stock market and futures market because of its delicate and unique marking method. The K-line chart in the stock market and futures market contains four data, namely the opening price, the highest price, the lowest price, and the closing price. All K-lines are centered around these four data, reflecting the general situation and price information. . If you put the daily K-line chart on a piece of paper, you can get the daily K-line chart. You can also draw the weekly K-line chart and the monthly K-line chart.