Results 21 to 30 of about 10,202,946 (277)

Volatility forecasting using Double-Markov switching GARCH models under skewed Student-t distribution [PDF]

open access: yes, 2012
Includes bibliographical references.This thesis focuses on forecasting the volatility of daily returns using a double Markov switching GARCH model with a skewed Student-t error distribution.
Mazviona, Batsirai Winmore
core   +1 more source

Porównanie bayesowskich modeli Copula-AR(1)-GARCH(1,1) z asymetrycznością rozkładów warunkowych

open access: yesZeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, 2018
Celem artykułu było formalne porównanie mocy wyjaśniającej dwuwymiarowych bayesowskich modeli Copula-GARCH z warunkowym skośnym oraz symetrycznym rozkładem t-Studenta na przykładzie danych pochodzących z polskiego rynku finansowego.
Justyna Mokrzycka
doaj   +1 more source

GRG Non-Linear and ARWM Methods for Estimating the GARCH-M, GJR, and log-GARCH Models

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2022
Numerous variants of the basic Generalized Autoregressive Conditional Heteroscedasticity (GARCH) models have been proposed to provide good volatility estimating and forecasting. Most of the study does not work Excel’s Solver to estimate GARCH-type models.
Didit Budi Nugroho   +5 more
doaj   +1 more source

Estimation of tail thickness parameters from GJR-GARCH models [PDF]

open access: yes, 2009
We propose a method of estimating the Pareto tail thickness parameter of the unconditional distribution of a financial time series by exploiting the implications of a GJR-GARCH volatility model.
Iglesias, Emma M.   +2 more
core   +1 more source

ESTIMASI CVAR PADA PORTOFOLIO SAHAM MENGGUNAKAN METODE GJR-EVT DENGAN PENDEKATAN D-VINE COPULA

open access: yesE-Jurnal Matematika, 2022
Risk measure using Conditional Value at Risk can be calculate if values that exceeds the p-quantile is known in VaR. The models used to accommodate characteristics of the stock portfolio in this research are EVT-GARCH-D-vine copula and EVT-GJR-D-vine ...
DERY MAULANA   +2 more
doaj   +1 more source

Application of futures in calculating optimal hedge ratio in crude oil market: Comparison between static and dynamic approaches [PDF]

open access: yesمدلسازی اقتصادسنجی, 2020
Futures are used as the most important risk hedge tools to reduce the risk of the crude oil market. The optimal hedging risk strategy is determined by calculating the optimal hedging risk ratio.
Simin Aleali   +3 more
doaj   +1 more source

Formal Comparison of Copula-AR(1)-t-GARCH(1,1) Models for Sub-Indices of the Stock Index WIG

open access: yesPrzegląd Statystyczny, 2016
Copulas have become one of most popular tools used in modelling the dependencies among financial time series. The main aim of the paper is to formally assess the relative explanatory power of competing bivariate Copula-AR-GARCH models, which differ in assumptions on the conditional dependence structure represented by particular copulas. For the sake of
Justyna Mokrzycka, Anna Pajor
openaire   +1 more source

Accurate Conditional Variance Models for Predicting Asymmetric Volatility in Cryptocurrency Markets

open access: yesİzmir İktisat Dergisi
This study includes tests on the Generalized Autoregressive Conditional Heteroscedasticity (GARCH) model and its derivatives to conduct complex and detailed volatility analysis for the 5 highest-volume cryptocurrencies traded in September 2023. The tests
Onur Çelebi, Erhan Demireli
doaj   +1 more source

Impact Of Structural Shifts on Variance Persistence in Asymmetric Garch Models: Evidence From Emerging Asian and European Markets [PDF]

open access: yesRevista Română de Statistică, 2015
In this study we examined the effect of structural break points in conditional volatility on variance persistency of asymmetric GARCH models. We used Bai and Perron methodology to detect structural break points in conditional variance of daily stock ...
Altaf Muhammad, Zhang Shuguang
doaj  

Analysis of Risk in the Logistics Sector Using Non-linear Time Series in Türkiye

open access: yesJournal of Transportation and Logistics
This study examines the risk level of the logistics sector, which is a key sub-component of the service sector in Türkiye, by comparing it with other service sub-sectors that have a high share within the sector, namely retail trade, electricity, gas, and
Sultan Kuzu Yıldırım, Mustafa Can
doaj   +1 more source

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