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Similarity Analysis Based on Bose-Einstein Divergences for Financial Time Series

  • Ryszard Szupiluk
  • Tomasz Ząbkowski
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7824)

Abstract

Similarity assessment between financial time series is one of problems where the proper methodological choice is very important. The typical correlation approach can lead to misleading results. Often the similarity measure is opposite to the visual observations, expert’s knowledge and even a common sense. The reasons of that can be associated with the properties of the correlation measure and its adequateness for analyzed data, as well as in terms of methodological aspects. In this article, we indicate disadvantages associated with the use of correlation to assess the similarity of financial time series and propose an alternative solution based on divergence measures. In particular, we focus on the Bose-Einstein divergence. The practical experiments conducted on simulated and real data confirmed our concept.

Keywords

time series similarity divergence measures Bose-Einstein divergence 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Ryszard Szupiluk
    • 1
  • Tomasz Ząbkowski
    • 2
  1. 1.Warsaw School of EconomicsWarsawPoland
  2. 2.Warsaw University of Life SciencesWarsawPoland

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