Results 21 to 30 of about 15,849 (295)

VaR as a mitigating risk tool in the maritime sector: An empirical approach on freight rates

open access: yesQuantitative Finance and Economics, 2022
Shipping freight rates fluctuation is considered as one of the most important risk factors that participants face in the tanker shipping market (ship-owners, charterers, traders, hedge funds, banks and other financial institutions) in order to watch its ...
Basdekis Charalampos   +2 more
doaj   +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

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

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

Dynamic correlation among title transfer facility natural gas, Brent oil and electricity EPEX spot markets: Spillover effects of economic shocks on returns and volatility

open access: yesAIMS Energy, 2023
This research explores the spillover effects in the directional movement of returns and the persistence of shocks among three prominent energy spot markets: b transfer facility for natural gas, Brent crude oil and electricity markets from monthly price ...
Gustavo Soutinho   +2 more
doaj   +1 more source

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

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

Estimación de modelos de volatilidad en series de rendimientos bursátiles: 2000-2014

open access: yesPensamiento Crítico, 2015
Las series temporales de alta frecuencia observadas en los mercados financieros y cambiarios se caracterizan por ser asimétricas, leptocúrticas, agrupamiento de la volatilidad, mostrar una elevada persistencia en volatilidad, correlaciones en los ...
Rafael Bustamante Romaní
doaj   +1 more source

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