Applying the concept of investment in buying at low valuation and selling at high valuation on the appropriate value of stocks Determine the range of high valuation for stock price and the range of low valuation for stock price Repeat automatically for installment buying when declining and installment selling when increasing within the range Sell after certain profit and repeat the process to accumulate the profit in this auto transaction method   When stock price is declining, the stock ratio is increased, and when stock price is increasing, the stock ratio is reduced Secure profit each time the stock price is in status quo or 'small increase when rebounding' Tendency of increase in yield rate when investing in long-term basis       Stock investment by using the auto order system Continuous and repetitive order is automatically made No need to take a look at the stock price each hour Make investment with investing substanitial time Advantage Convenience in ordering Relaxed investment   Continuous installment transaction using the fluctuation in stock price Stable profit management through installment buying and installment selling Possible profit by using the stock price fluctuation at the stable market trend Higher profit than the simple possession strategy even in the declining market trend Advantage Reasonableness of transaction Higher profitability compared to market   Systematical investment Making up portfolios after picking under- valued shares by fundamental and technical analysis Verifying investment strategy by simulation Advantage Systematical investment Investment risk reduction