METHOD AND SYSTEM TO PREDICT STOCK PRICE THROUGH ANALYSIS OF SELECTIVE ANALYSIS OBJECT

摘要

Provided are a stock price predicting method through the analysis of a selective analysis object, and a system using the same. The stock price predicting method: collects the stock price of an individual item and multiple data of the individual item which belong to a test period; extracts basic data among the collected data; forms a tree model at a predetermined level by setting data of each level and a level quarter value thereof which are arranged in a node from the uppermost level to a predetermined level among the basic data; prunes the tree model by deleting unnecessary lower level data by hierarchically searching the tree model having the predetermined level from the lowest level data; selects level data, arranged in each quarter of the pruned tree model, as a collection object; obtains data of each type by analyzing multiple documents collected in each type by being related with the individual item; and predicts stock price of each individual item based on data of the document which corresponds to the selected level data.;COPYRIGHT KIPO 2015