Multifractal analysis of financial markets: A review

ZQ Jiang, WJ Xie, WX Zhou… - Reports on Progress in …, 2019 - iopscience.iop.org
Multifractality is ubiquitously observed in complex natural and socioeconomic systems.
Multifractal analysis provides powerful tools to understand the complex nonlinear nature of …

Analysis of stock market efficiency during crisis periods in the US stock market: Differences between the global financial crisis and COVID-19 pandemic

SY Choi - Physica A: Statistical Mechanics and Its Applications, 2021 - Elsevier
In this study, we test the efficient market hypothesis for a number of sectors in the US stock
market during the COVID-19 pandemic to identify its effects on individual sectors. To test this …

Time-varying price–volume relationship and adaptive market efficiency: A survey of the empirical literature

AC Patil, S Rastogi - Journal of Risk and Financial Management, 2019 - mdpi.com
This paper conducts a review of the literature on the price–volume relationship and its
relation with the implications of the adaptive market hypothesis. The literature on market …

Asymmetric multifractality: Comparative efficiency analysis of global technological and renewable energy prices using MFDFA and A-MFDFA approaches

A Khurshid, K Khan, J Cifuentes-Faura, Y Chen - Energy, 2024 - Elsevier
This paper examines renewable and technological prices' asymmetric multifractality and
efficiency in international and Chinese marketplaces. The asymmetric multifractal detrended …

Stock market efficiency analysis using long spans of data: A multifractal detrended fluctuation approach

AK Tiwari, GC Aye, R Gupta - Finance Research Letters, 2019 - Elsevier
This paper investigates the multifractality and efficiency of stock markets in eight developed
(Canada, France, Germany, Italy, Japan, Switzerland, UK and USA) and two emerging (India …

Are Islamic stock markets efficient? A multifractal detrended fluctuation analysis

J Bouoiyour, R Selmi, ME Wohar - Finance Research Letters, 2018 - Elsevier
In this paper, we use the methods of Multifractal Detrended Fluctuation Analysis (MF-DFA)
and DFA based on generalized Hurst exponents to compare the relative efficiency between …

Multifractal analysis of market efficiency across structural breaks: Implications for the adaptive market hypothesis

AC Patil, S Rastogi - Journal of Risk and Financial Management, 2020 - mdpi.com
The primary objective of this paper is to assess the behavior of long memory in price,
volume, and price-volume cross-correlation series across structural breaks. The secondary …

Brazilian stock-market efficiency before and after COVID-19: The roles of fractality and predictability

L dos Santos Maciel - Global Finance Journal, 2023 - Elsevier
This paper uses multifractal detrended fluctuation analysis to evaluate price efficiency
dynamics and relate them to stock price predictability in the Brazilian equity market. The …

Adaptive market hypothesis: An empirical analysis of time–varying market efficiency of cryptocurrencies

A Khursheed, M Naeem, S Ahmed… - Cogent Economics & …, 2020 - Taylor & Francis
This study examines the adaptive market hypothesis (AMH) in relation to time-varying
market efficiency by using three tests, namely Generalized Spectral (GS), Dominguez …

Does the Coronavirus Crash affect green equity markets' efficiency? A multifractal analysis

J Ferreira, F Morais - Journal of Sustainable Finance & Investment, 2022 - Taylor & Francis
This study assesses the multifractality and degree of efficiency regarding the following green
equity markets: Dow Jones Sustainability Index, S&P Global Clean Energy, Nasdaq OMX …