Results 21 to 30 of about 36,906 (198)

The Modeling the returns volatility of Indonesian stock indices: The case of SRI-KEHATI and LQ45

open access: yesJurnal Ekonomi Modernisasi, 2022
The purpose of this research is to model the volatility of Stock Indices in Indonesian capital market. This research focuses on two stock indices namely SRI-KEHATI and LQ45.
Regi Muzio Ponziani
doaj   +1 more source

Cryptocurrencies Intraday High-Frequency Volatility Spillover Effects Using Univariate and Multivariate GARCH Models

open access: yesInternational Journal of Financial Studies, 2022
Over the past years, cryptocurrencies have drawn substantial attention from the media while attracting many investors. Since then, cryptocurrency prices have experienced high fluctuations. In this paper, we forecast the high-frequency 1 min volatility of
Apostolos Ampountolas
doaj   +1 more source

Forecasting the Jordanian stock index: modelling asymmetric volatility and distribution effects within a GARCH framework

open access: yesCopernican Journal of Finance & Accounting, 2015
The modelling of market returns can be especially problematical in emerging and frontier financial markets given the propensity of their returns to exhibit significant non-normality and volatility asymmetries.
Heitham Al-Hajieh   +3 more
doaj   +3 more sources

Estimation of value at risk (VaR) index of mobarakeh steel company using two-sided lomax GARCH model [PDF]

open access: yesتصمیم گیری و تحقیق در عملیات, 2022
Purpose: We have introduced the two-sided Lomax-GARCH (TSLx-GARCH) model. We have used this model to create a more realistic value-at-risk value index than other distributions for all confidence levels. We find this index for applied data.Methodology: In
Rasool Roozegar, Samane Arkia
doaj   +1 more source

Asymmetry and Leverage in Conditional Volatility Models

open access: yesEconometrics, 2014
The three most popular univariate conditional volatility models are the generalized autoregressive conditional heteroskedasticity (GARCH) model of Engle (1982) and Bollerslev (1986), the GJR (or threshold GARCH) model of Glosten, Jagannathan and Runkle ...
Michael McAleer
doaj   +1 more source

Modeling crude oil price volatility in Nigeria: using GARCH (1,1), EGARCH (1,1), and GJR-GARCH (1,1) models [PDF]

open access: yesمجلة العلوم التجارية والبيئية
This study investigates the performance of various GARCH models for volatility forecasting, focusing on the GARCH (1,1), EGARCH (1,1), and GJR-GARCH (1,1) frameworks, each tested with normal and Student’s t-distributions.
Frederick A. Omoruyi   +2 more
doaj   +1 more source

Day-of-the-week and month-of-the-year effects on French Small-Cap Volatility: the role of asymmetry and long memory [PDF]

open access: yesEastern Journal of European Studies, 2019
Small-cap stocks are characterized by high volatility and offer investors the opportunity to earn higher returns. This paper empirically investigates the impact of the day-of-the-week and the month-of-the year effects on the volatility of daily and ...
Mohamed CHIKHI   +2 more
doaj  

A note on the Nelson-Cao inequality constraints in the GJR-GARCH model: is there a leverage effect? [PDF]

open access: yesInternational Journal of Economics and Business Research, 2017
The majority of stylized facts of financial time series and several Value-at-Risk measures are modeled via univariate or multivariate GARCH processes. It is not rare that advanced GARCH models fail to converge for computational reasons, and a usual parsimonious approach is the GJR-GARCH model.
openaire   +2 more sources

Time Series Analysis Using Wavelets And Gjr-Garch Models

open access: yes, 2012
Publication in the conference proceedings of EUSIPCO, Bucharest, Romania ...
Mircea Gherman   +2 more
openaire   +4 more sources

An analysis of Ramadan effect by GJR-GARCH model: case of Borsa Istanbul

open access: yesOeconomia Copernicana, 2016
Although there are a lot of studies testing the calendar effect in BIST, there are limited numbers of studies testing the Ramadan effect. In this study, the period of 05 August 1997–24 October 2014 is tested by the GJR-GARCH(1,1) model on the basis of BIST 30, 100, all, second national, sectors and sub-sectors. In some of the models, the dummy variable
K. Batu Tunay, Murat Akbalik
openaire   +3 more sources

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