Modeling Markov switching ARMA-GARCH neural networks models and an application to forecasting stock returns. [PDF]
The study has two aims. The first aim is to propose a family of nonlinear GARCH models that incorporate fractional integration and asymmetric power properties to MS‐GARCH processes. The second purpose of the study is to augment the MS‐GARCH type models with artificial neural networks to benefit from the universal approximation properties to achieve ...
Bildirici M, Ersin Ö.
europepmc +2 more sources
Direct versus iterated multiperiod Value‐at‐Risk forecasts
Abstract Since the late nineties, the Basel Accords require financial institutions to measure their financial risk by reporting daily predictions of Value at Risk (VaR) based on 10‐day returns. However, a vast part of the related literature deals with VaR predictions based on one‐period returns.
Esther Ruiz, María Rosa Nieto
wiley +1 more source
Volatility and dynamic dependence modeling: Review, applications, and financial risk management
Moving 20‐day window dynamic risks of Alphabet Inc. (GOOGL), the Bank of America Corporation (BAC), and the Coca‐Cola Company (KO) during 26 December 2017 to 31 December 2020. Abstract Since the introduction of ARCH models close to 40 years ago, a wide range of models for volatility estimation and prediction have been developed and integrated into ...
Mike K. P. So +3 more
wiley +1 more source
Long Memory in UK Real GDP, 1851-2013: An ARFIMA-FIGARCH Analysis [PDF]
Previous version available as DIW Berlin Discussion Paper No.
Caporale, GM, Skare, M
openaire +4 more sources
Estimating the volatility of asset pricing factors
Abstract Models based on factors such as size or value are ubiquitous in asset pricing. Therefore, portfolio allocation and risk management require estimates of the volatility of these factors. While realized volatility has become a standard tool for liquid assets, this measure is difficult to obtain for asset pricing factors such as size and value ...
Janis Becker, Christian Leschinski
wiley +1 more source
Growth enterprise market in Hong Kong: Efficiency evolution and long memory in return and volatility [PDF]
Purpose – Growth enterprise market (GEM) in Hong Kong is acknowledged as one of the world’s most successful examples of small and medium enterprise (SME) stock market.
Trang Nguyen +3 more
doaj +1 more source
Investigation of Fractal Market Hypothesis in Emerging Markets: Evidence from the MINT Stock Markets
This study aims to investigate the market efficiency of emerging stock markets, namely the Mexico, Indonesia, Nigeria, and Turkey (MINT) stock markets based on the Fractal Market Hypothesis.
Yunus Karaömer
doaj +1 more source
Stock-return volatility persistence over short and long range horizons: Some empirical evidences
In this paper, we account for memory failure or otherwise in the daily evolution of stock return and volatility within the purview of short and long ranges based on the arrival of fundamental news.
Kolawole Subair, Ajibola Arewa
doaj +1 more source
Testing for long memory in volatility in the Indian Forex market [PDF]
This article attempts to verify the presence of long memory in volatility in the Indian foreign exchange market using daily bilateral returns of the Indian Rupee against the US dollar from 17/02/1994 to 08/11/2013.
Kumar Anoop S.
doaj +1 more source
Multivariate FIGARCH and long memory process: evidence of oil price markets [PDF]
Oil price markets can benefit from a better considerate of how shocks can affect volatility through time. This study assesses the impact of structural changes and outliers on volatility persistence of two crude oil markets WTI and Brent oil price between
Nadhem Selmi , Nejib Hachicha
doaj +1 more source

