Results 21 to 30 of about 66,906 (266)

Volatility Forecasting for Low-Volatility Investing

open access: yesSSRN Electronic Journal, 2022
Low-volatility investing often involves sorting and selecting stocks based on retrospective risk measures, for example, the historical standard deviation of returns. In this paper, we use the volatility forecasts from a wide spectrum of volatility models to sort and select stocks and estimate portfolio weights.
Christian Conrad   +2 more
openaire   +2 more sources

Assessing Portfolio Risks Involving Bitcoin and Ethereum Using Vector Autoregressive Model [PDF]

open access: yesOvidius University Annals: Economic Sciences Series, 2021
Investors now have a multitude of non-traditional assets to choose from, especially from the spectrum of alternative assets, such as financial digital assets.
Andrei-Dragos Popescu
doaj  

Multivariate Analysis of Energy Commodities during the COVID-19 Pandemic: Evidence from a Mixed-Frequency Approach

open access: yesRisks, 2021
This paper shows the effects of the COVID-19 pandemic on energy markets. We estimate daily volatilities and correlations among energy commodities relying on a mixed-frequency approach that exploits information from the number of weekly deaths related to ...
Mila Andreani   +3 more
doaj   +1 more source

The Impact of North Korea’s Nuclear Tests on Asian Stock Markets [PDF]

open access: yesEurasian Journal of Business and Economics, 2021
This study investigates the impact of North Korea’s nuclear tests on Asian stock markets. Two approaches are used separately in order to identify how stock market returns and volatilities change immediately after the nuclear tests.
Chung BAEK
doaj   +1 more source

Recent Examination of Energy Markets Volatility

open access: yesStudies in Business and Economics, 2023
The main aim of the paper is to examine if the energy market (crude oil, gas and electricity) realized volatility exhibits a symmetric or an asymmetric behaviour, for certain commodities over the period May 2012 – August 2022.
Jude Octavian   +2 more
doaj   +1 more source

Examining GDP Growth and Its Volatility: An Episodic Approach

open access: yesEntropy, 2021
In this paper, we study economic growth and its volatility from an episodic perspective. We first demonstrate the ability of the genetic algorithm to detect shifts in the volatility and levels of a given time series.
Jakub Bartak   +2 more
doaj   +1 more source

Has the COVID-19 Pandemic Led to a Switch in the Volatility of Biopharmaceutical Companies?

open access: yesMathematics, 2023
Biopharmaceutical companies are critical in developing vaccines, treatments, and diagnostics for COVID-19. Thus, understanding the contagion effects of their stock market can have important economic implications, especially in the context of global ...
Adriana AnaMaria Davidescu   +5 more
doaj   +1 more source

Methods in econophysics: Estimating the probability density and volatility

open access: yesFrontiers in Physics, 2022
We discuss and analyze some recent literature that introduced pioneering methods in econophysics. In doing so, we review recent methods of estimating the volatility, volatility of volatility, and probability densities.
Moawia Alghalith
doaj   +1 more source

An Insight into the Machine-Learning-Based Fileless Malware Detection

open access: yesSensors, 2023
In recent years, massive development in the malware industry changed the entire landscape for malware development. Therefore, cybercriminals became more sophisticated by advancing their development techniques from file-based to fileless malware.
Osama Khalid   +7 more
doaj   +1 more source

A VOLATILITY-OF-VOLATILITY EXPANSION OF THE OPTION PRICES IN THE SABR STOCHASTIC VOLATILITY MODEL [PDF]

open access: yesInternational Journal of Theoretical and Applied Finance, 2014
We propose a new type of asymptotic expansion for the transition probability density function (or heat kernel) of certain parabolic partial differential equations (PDEs) that appear in option pricing. As other, related methods developed by Costanzino, Hagan, Gatheral, Lesniewski, Pascucci, and their collaborators, among others, our method is based on ...
Nistor, Victor   +2 more
openaire   +4 more sources

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