| 摘要 |
An arithmetic operation for calculating a value of a Masuda ratio (Mratio) or a value substantially equivalent to the Masuda ratio (Mratio) on the basis of the stock price information on a database is executed. The Masuda ratio (Mratio) is represented by a formula Mratio={(B-E)/SUM}x100, where SUM is a total number of stocks of a group of specific stocks forming a basis in generating one representative stock movement index, B is the number of stocks, average moving deviations of stock prices in a short term, an intermediate term, and a long term nearest to a reference time in one time unit selected from day, week, and month (MA 1 , MA 2 , and MA 3 ) among the group of specific stocks having a magnitude relation MA 1 >MA 2 >MA 3 indicating an upward trend when the number of stocks is B, and E is the number of stocks, MA 1 , MA 2 , and MA 3 having a magnitude relation MA 1 <MA 2 <MA 3 indicating a downward trend when the number of stocks is E.
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