| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an earning rate calculation system for calculating a daily earning rate of financial assets. <P>SOLUTION: A daily balance storage part 210 stores an asset balance on a management day correlatively to each the management day in an asset management period. A daily cash flow storage part 208 stores a generated cash flow amount generated to the financial assets on each the management day correlatively to the day. An earning rate calculation part 224 calculates the daily earning rate on each management day, and stores it into a daily earning rate database 214 correlatively to the day. The daily earning rate is set as a value of a ratio of a money amount obtained by subtracting half of the generated cash flow amount of that day from an asset balance of that day to a money amount obtained by adding the half of the generated cash flow amount of that day to an asset balance of the previous day, about each the management day, for example. The calculated daily earning rate is displayed on a display terminal 108. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
