Yes Cyx index is the red line and green line in CYX in the stock market, which are respectively expressed as red pressure line and green support line. The strict academic interpretation of future function refers to the function that may refer to future data, that is, the function that refers to or uses the data that has not happened at that time to correct the previous judgment. CYX index can effectively prompt stock price support and price level, prompt buying and selling, and accurately grasp the opportunity through futures function.