Investment horizon heterogeneity and wavelet: Overview and further research directions

A Chakrabarty, A De, A Gunasekaran… - Physica A: Statistical …, 2015 - Elsevier
Wavelet based multi-scale analysis of financial time series has attracted much attention,
lately, from both the academia and practitioners from all around the world. The unceasing …

Forecasting stock markets using wavelet transforms and recurrent neural networks: An integrated system based on artificial bee colony algorithm

TJ Hsieh, HF Hsiao, WC Yeh - Applied soft computing, 2011 - Elsevier
This study presents an integrated system where wavelet transforms and recurrent neural
network (RNN) based on artificial bee colony (abc) algorithm (called ABC-RNN) are …

Co-movements of GCC emerging stock markets: New evidence from wavelet coherence analysis

C Aloui, B Hkiri - Economic Modelling, 2014 - Elsevier
This paper examines the short term and long term dependencies between stock market
returns for the Gulf Cooperation Council (GCC) Countries (Bahrain, Kuwait, Oman, Qatar …

Network analysis of a financial market based on genuine correlation and threshold method

A Namaki, AH Shirazi, R Raei, GR Jafari - Physica A: Statistical Mechanics …, 2011 - Elsevier
A financial market is an example of an adaptive complex network consisting of many
interacting units. This network reflects market's behavior. In this paper, we use Random …

A new hybrid financial time series prediction model

B Alhnaity, M Abbod - Engineering Applications of Artificial Intelligence, 2020 - Elsevier
Due to the characteristics of financial time series, such as being non-linear, non-stationary
and noisy, with uncertain and hidden relationships, it is difficult to capture its non-stationary …

Cross dynamics of oil-stock interactions: A redundant wavelet analysis

R Jammazi - Energy, 2012 - Elsevier
The main aim of the present paper is to explore how the interactions between crude oil (CO)
price changes and stock returns of five developed countries namely USA, Canada …

Time and scale Hurst exponent analysis for financial markets

JAO Matos, SMA Gama, HJ Ruskin… - Physica A: Statistical …, 2008 - Elsevier
We use a new method of studying the Hurst exponent with time and scale dependency. This
new approach allows us to recover the major events affecting worldwide markets (such as …

International stock market contagion: A CEEMDAN wavelet analysis

Z Zhou, L Lin, S Li - Economic Modelling, 2018 - Elsevier
This paper investigates the contagion effect among stock markets (Asia, European and
America) under time varying frequencies by use of a CEEMDAN wavelet (complete …

Random matrix theory and fund of funds portfolio optimisation

T Conlon, HJ Ruskin, M Crane - Physica A: Statistical Mechanics and its …, 2007 - Elsevier
The proprietary nature of Hedge Fund investing means that it is common practise for
managers to release minimal information about their returns. The construction of a fund of …

[HTML][HTML] The Systematic Risk at the Crisis—A Multifractal Non-Uniform Wavelet Systematic Risk Estimation

M Sarraj, A Ben Mabrouk - Fractal and Fractional, 2021 - mdpi.com
In the last decade, many factors, such as socio-political and econo-environmental ones,
have led to a perturbation in the timeline of the worldwide development, and especially in …