| 摘要 |
<p>An investment information providing site (11) acquires the values of indexes of securities that are objects of trading and updates them periodically. The site (11) calculates the percentage of wins about each calculated technical index for a predetermined past period and rates the securities to be traded by index on the basis of the calculated percentage of wins and stores the rated securities. Upon receiving information specifying the index and rating from a user terminal (21), the site (11) extract the security specified by the index out of the securities stored previously and provides it to the user terminal (21).</p> |
