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A Cluster Analysis of Stocks to Define an Investment Strategy
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Mathematical Statistics.
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Mathematical Statistics.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
En klusteranalys av aktier med syfte att formulera en investeringsstrategi (Swedish)
Abstract [en]

This thesis investigates the possibilities of creating an investment strategy by performing a cluster analysis on stock returns. This to provide a diversified portfolio, which has multiple advantages, for instance that the risk of the investment decreases. The cluster analysis was performed using various methods – Average linkage, Centroid and Ward's method, for the purpose of determining a preferable method. Ward's method was the most appropriate method to use according to the results, since it was the only method providing an analysable result. The investment strategy was therefore based on the result of Ward's method. This resulted in a portfolio consisting of eight stocks from four different clusters, with the eight stocks representing four sectors. Most of the results were not interpretable and some of the decision making regarding the number of clusters and the appropriate portfolio composition was not entirely scientific. Therefore, this thesis should be considered as a first indication of the adequacy of using cluster analysis for the purpose of creating an investment strategy.

Abstract [sv]

Rapporten undersöker möjligheterna att formulera en investeringsstrategi genom att utföra en klusteranalys av aktiers avkastning. En klusteranalys används i detta syfte för att skapa en diversifierad portfölj, vilket bland annat kan minska risken med investeringar. De metoder som tillämpades i klusteranalysen var Average linkage-, Centroid- and Ward's metod. Metoderna jämfördes med syfte att hitta den mest gynnsamma metoden. Enligt resultaten är Ward’s metod att föredra då det var den enda metod som gav ett användbart resultat. Därför baserades investeringsstrategin på Ward's metod vilket resulterade i en portfölj med åtta aktier från fyra olika kluster. De åtta aktierna representerade fyra olika sektorer. Flertalet av resultaten erhållna från metoderna var inte möjliga att analysera och valet av antalet kluster samt konstruktionen av portföljen utfördes inte på vetenskapliga grunder. Därför ska denna rapport endast betraktas som en första indikation på lämpligheten att ta fram en investeringsanalys baserat på en klusteranalys.

Place, publisher, year, edition, pages
2019.
Series
TRITA-SCI-GRU ; 2019:149
National Category
Probability Theory and Statistics
Identifiers
URN: urn:nbn:se:kth:diva-252746OAI: oai:DiVA.org:kth-252746DiVA, id: diva2:1333940
External cooperation
Nordea
Educational program
Master of Science in Engineering - Industrial Engineering and Management
Supervisors
Examiners
Available from: 2019-07-02 Created: 2019-07-02 Last updated: 2019-07-02Bibliographically approved

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CiteExportLink to record
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