Results 31 to 40 of about 72,454 (299)

Time‐varying volatility modelling of Baltic stock markets

open access: yesJournal of Business Economics and Management, 2010
As time‐varying volatility has found applications in roughly all time series modelling in economics, it largely draws attention in the areas of financial markets.
Bora Aktan   +2 more
doaj   +1 more source

Volatility forecasting with the wavelet transformation algorithm GARCH model: Evidence from African stock markets

open access: yesJournal of Finance and Data Science, 2016
The daily returns of four African countries' stock market indices for the period January 2, 2000, to December 31, 2014, were employed to compare the GARCH(1,1) model and a newly proposed Maximal Overlap Discreet Wavelet Transform (MODWT)-GARCH(1,1) model.
Mohd Tahir Ismail   +2 more
doaj   +1 more source

On the stationarity of Dynamic Conditional Correlation models [PDF]

open access: yes, 2016
We provide conditions for the existence and the unicity of strictly stationary solutions of the usual Dynamic Conditional Correlation GARCH models (DCC-GARCH).
Fermanian, Jean-David, Malongo, Hassan
core   +1 more source

Volatility Timing in CPF Investment Funds in Singapore: Do They Outperform Non-CPF Funds?

open access: yesRisks, 2019
The purpose of this study is to examine the volatility-timing performance of Singapore-based funds under the Central Provident Fund (CPF) Investment Scheme and non-CPF linked funds by taking into account the currency risk effect on internationally ...
Xiaoyi Shen   +2 more
doaj   +1 more source

A Copula-Garch Modelcopula-Garch Model [PDF]

open access: yesEconomic Research-Ekonomska Istraživanja, 2010
AbstractIn the present study we develop a new two-dimensional Copula-GARCH model. This type of two-dimensional process is characterized by a dependency structure modeled using a copula function. For the marginal densities we employ a GARCH(1,1) model with innovations drawn from a t-Student distribution.
openaire   +1 more source

Improving GARCH volatility forecasts with regime-switching GARCH [PDF]

open access: yesEmpirical Economics, 2002
Many researchers use GARCH models to generate volatility forecasts. Using data on three major U.S. dollar exchange rates we show that such forecasts are too high in volatile periods. We argue that this is due to the high persistence of shocks in GARCH forecasts.
openaire   +6 more sources

ESTIMATING HEDGING EFFECTIVENESS USING VARIANCE REDUCTION AND RISK-RETURN APPROACHES: EVIDENCE FROM NATIONAL STOCK EXCHANGE OF INDIA

open access: yesCopernican Journal of Finance & Accounting, 2020
The present study examines hedging effectiveness of futures contracts in India by using variance reduction approach and risk-return approach by applying eight econometric models. It is observed that OLS hedge ratio generates highest hedging effectiveness
Mandeep Kaur, Kapil Gupta
doaj   +1 more source

Evolution of bitcoin as a Financial Asset

open access: yesФинансы: теория и практика, 2021
The cryptocurrency market debate resumed in 2020 with renewed vigour as the price of Bitcoin surpassed late 2017 highs. This study aims to analyse possible factors of Bitcoin’s pricing at various cryptocurrency market development stages — before the 2017
K. D. Shilov, A. V. Zubarev
doaj   +1 more source

GARCH Gamma [PDF]

open access: yesThe Journal of Derivatives, 1995
This paper addresses the issue of hedging option positions when the underlying asset exhibits stochastic volatility. By parameterizing the volatility process as GARCH, and utilizing risk- neutral valuation, we estimate hedging parameters (delta and gamma) using Monte-Carlo simulation.
Robert Engle, Joshua Rosenberg
openaire   +2 more sources

Volatility Transmission of Barley World Price to the Domestic Market of Iran and the Role of Iran Mercantile Exchange; an Application of BEKK Model

open access: yesNew Medit, 2019
Barley is one of the main crops after wheat and rice. The importance of this product increases because it is an essential input in the livestock and poultry industries.
Behzad Fakari Sardahaie   +2 more
doaj   +1 more source

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