The present invention analyzes big data collected during a predetermined period (T) and detects a market psychological index (MSI) and a psychological level for each item. When the HTS server provides information according to a request from a connected client, (MSI) and psychological level as well as related information, it is possible to improve the reliability of service and information transmission by investing smartly by using market psychology, Level and level information to clients connected through a stock price table to provide investors with various information in a simple and easy manner. The body can be formed in a circular shape and determined in proportion to the size of market psychological index (MSI) And a connection line which is connected to the right or left side of the body and whose length is determined according to the degree of fluctuation of the psychological level That by providing MSI chart using the MIS candle to investors about online stock trading service system with detailed information such as size, degree of fluctuation and flow of market sentiment for a particular item can simply browse through the MSI chart.
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