Results 1 to 10 of about 1,347 (161)

Dynamical Approach in studying GJR-GARCH (Q,P) Models with Application

open access: yesTikrit Journal of Pure Science, 2022
This paper deals with finding stationarity Condition of GJR-GARCH(Q,P) model by using a local linearization technique in order to reduce this non-linear model to a linear difference equation with constant coefficients and then obtain the stationarity ...
Nooruldeen A. Noori, Azher A. Mohammad
doaj   +2 more sources

Estimasi Nilai AVaR Menggunakan Model GJR dan Model GARCH

open access: yesJurnal Matematika, 2015
Dalam pemodelan harga saham, sering dihadapkan pada suatu pertanyaan, apakah model GARCH atau GJR yang lebih tepat merepresentasikan pergerakan harga saham?
Komang Dharmawan
doaj   +2 more sources

Screening for dual-target enzyme inhibitors derived from Gardenia jasminoides roots, a medicinal and edible plant: investigation of their potential anti-dementia activity [PDF]

open access: yesFrontiers in Nutrition
IntroductionGardenia jasminoides root (GJR) is a traditional Chinese plant valued for its dual functions as both a medicinal herb and an edible resource.
Xuanlin Liu   +8 more
doaj   +2 more sources

Improvement of Real-GJR Model using Jump Variables on High Frequency Data

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika)
Volatility is a key indicator in assessing risk when making investment decisions. In the world of financial markets, volatility reflects the degree to which the value of a financial asset fluctuates over a given period. The most common way to measure the
Didit Budi Nugroho   +5 more
doaj   +2 more sources

GJR-GARCH Volatility Modeling under NIG and ANN for Predicting Top Cryptocurrencies [PDF]

open access: yesJournal of Risk and Financial Management, 2021
Cryptocurrencies are currently traded worldwide, with hundreds of different currencies in existence and even more on the way. This study implements some statistical and machine learning approaches for cryptocurrency investments. First, we implement GJR-GARCH over the GARCH model to estimate the volatility of ten popular cryptocurrencies based on market
Fahad Mostafa   +3 more
openaire   +2 more sources

Analytic moments for GJR-GARCH (1, 1) processes

open access: yesInternational Journal of Forecasting, 2021
For a GJR-GARCH(1,1) specification with a generic innovation distribution we derive analytic expressions for the first four conditional moments of the forward and aggregated returns and variances. Moments for the most commonly used GARCH models are stated as special cases.
Alexander, Carol   +2 more
openaire   +1 more source

International Price Relationship and Volatility Transmission Between Stock Index and Stock Index Futures

open access: yesEconomic Journal of Emerging Markets, 2011
This study investigates the international price relationship and volatility transmissions between stock index and stock index futures of Malaysia, Hong Kong and Japan. Vector Autoregression (VAR) GJR-GARCH model was applied to the nine years daily price.
ArIsmail bin Ahmad   +1 more
doaj   +9 more sources

Estimating Value at Risk of Portfolio of Oil and Gold by Copula-GARCH Method [PDF]

open access: yesتحقیقات مالی, 2014
Copula functions are powerful tools that describe dependence structure of multi- dimension random variables and are considered as one of the newest tools for risk management.
Saeed Fallahpour, Ehsan Ahmadi
doaj   +1 more source

Volatility regimes of selected central European stock returns: a Markov switching GARCH approach

open access: yesJournal of Business Economics and Management, 2022
This paper investigates the weekly stock market data of the Hungarian stock index BUX, the Czech stock index PX and the Polish stock index WIG20 spanning from January 7, 2001 to April 18, 2021.
Michaela Chocholatá
doaj   +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

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