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Factor graphs for universal portfolios

  • University of Illinois at Urbana-Champaign

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

5 Scopus citations

Abstract

We consider the sequential portfolio investment problem. Building on results in signal processing, machine learning, and other areas, we combine the insights of Cover and Ordentlich's side information portfolio with those of Blum and Kalai's transaction costs algorithm to construct one that performs well under transaction costs while taking advantage of side information. We introduce factor graphs as a computational tool for analysis and design of universal (low regret) algorithms, and develop our algorithm with this insight. Finally, we demonstrate that, in contrast to other algorithms, our portfolio performs well over the full range of costs.

Original languageEnglish
Title of host publicationConference Record - 43rd Asilomar Conference on Signals, Systems and Computers
Pages1375-1379
Number of pages5
DOIs
StatePublished - 2009
Event43rd Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States
Duration: Nov 1 2009Nov 4 2009

Publication series

NameConference Record - Asilomar Conference on Signals, Systems and Computers
ISSN (Print)1058-6393

Conference

Conference43rd Asilomar Conference on Signals, Systems and Computers
Country/TerritoryUnited States
CityPacific Grove, CA
Period11/1/0911/4/09

Keywords

  • Factor graph
  • Investment
  • Piecewise models
  • Portfolio
  • Sum-product
  • Transaction costs
  • Universal

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