Brief introduction of k-line chart
K-line chart is the K-line chart of stock market, which refers to the trend chart of stock market or futures market price. K-line charts generally include four data: opening price, highest price, lowest price and closing price, and all K-line charts should revolve around these four data. K-line chart includes daily K-line chart, weekly K-line chart and monthly K-line chart. Take the daily K-line chart for example. Before drawing the daily K-line chart, you must know the opening price and closing price of the day, and then draw a rectangle. If the closing price is higher than the opening price, the K line is called the positive line, otherwise it is called the negative line.