A Dynamical System and Neural Network Perspective of Karachi Stock Exchange

Syed Nasir Danial, Syed Raheel Noor, Bilal A. Usmani, S. Jamal H. Zaidi

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

2 Citations (Scopus)

Abstract

This study discusses the evolution of KSE-100 index returns as a dynamical system. We present application of nonlinear time-series analysis. Our results show that estimation of correlation dimension for the case of KSE-100 index returns is not possible. We further go into nonlinear analysis and construct a model of the series based on feedforward neural network with back-propagation training. We construct many neural networks and the one with Levenberg-Marquardt backpropagation is found to give slightly better results compared to ARMA/ARIMA models. Neural networks are found to be applicable in those cases when nonlinear time-series analysis is at failure.

Original languageEnglish
Title of host publicationCommunications in Computer and Information Science
EditorsD.M. Akbar Hussain, Abdul Qadeer Khan Rajput, Bhawani Shankar Chowdhry, Quintin Gee
Pages88-99
Number of pages12
Publication statusPublished - 2009
Externally publishedYes

Publication series

NameCommunications in Computer and Information Science
Volume20
ISSN (Print)1865-0929

Keywords

  • Correlation dimension
  • KSE-100 index returns
  • Neural network
  • Non-linear time series analysis

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