Affinity propagation clustering for intelligent portfolio diversification and investment risk reduction

Chu Chun Chang, Zhi Ting Lin, Wai Wan Koc, Chin Chou, Szu-Hao Huang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

In this paper, an intelligent portfolio selection method based on Affinity Propagation clustering algorithm is proposed to solve the stable investment problem. The goal of this work is to minimize the volatility of the selected portfolio from the component stocks of S&P 500 index. Each independent stock can be viewed as a node in graph, and the similarity measurements of stock price variations between companies are calculated as the edge weights. Affinity Propagation clustering algorithm solve the graph theory problem by repeatedly update responsibility and availability message passing matrices. This research tried to find most representative and discriminant features to model the stock similarity. The testing features are divided into two major categories, including time-series covariance, and technical indicators. The historical price and trading volume data is used to simulate the portfolio selection and volatility measurement. After grouping these investment targets into a small set of clusters, the selection process will choose fixed number of stocks from different clusters to form the portfolio. The experimental results show that the proposed system can effectively generate more stable portfolio by Affinity Propagation clustering algorithm with proper similarity features than average cases with similar settings.

Original languageEnglish
Title of host publicationProceedings - 2016 7th International Conference on Cloud Computing and Big Data, CCBD 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages145-150
Number of pages6
ISBN (Electronic)9781509035557
DOIs
StatePublished - 13 Jul 2017
Event7th International Conference on Cloud Computing and Big Data, CCBD 2016 - Taipa, Macau, China
Duration: 16 Nov 201618 Nov 2016

Publication series

NameProceedings - 2016 7th International Conference on Cloud Computing and Big Data, CCBD 2016

Conference

Conference7th International Conference on Cloud Computing and Big Data, CCBD 2016
CountryChina
CityTaipa, Macau
Period16/11/1618/11/16

Keywords

  • Diversified investment
  • affinity propagation
  • artificial intelligence
  • clustering
  • machine learning
  • portfolio selection

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