Method and system for tracking issues about each stock item based on big data

摘要

Disclosed is a big data-based issue tracking method and system for each stock item for tracking company-related issues reported on a network based on big data and generating stock price fluctuation prediction information using this. The issue tracking method according to the present invention includes the steps of determining stock items to be tracked using a company dictionary stored in a database and setting one or more keywords for each stock item; Crawling information on the Internet with the set keywords and calculating an online index indicating how much each stock item is reported; Tracking a change in a score for an online index of each stock item; Tracking a change in stock price of each stock item; Comparing a change in score and a change in stock price of each stock, analyzing a correlation between the two, and analyzing a change pattern; And generating a tracking result including stock price fluctuation prediction information and issue information for a specific stock item for which the user requests issue tracking by referring to the analyzed change pattern.