Results 1 to 10 of about 739,004 (346)

How Does the Volatility of Volatility Depend on Volatility? [PDF]

open access: yesRisks, 2020
We investigate the state dependence of the variance of the instantaneous variance of the S&P 500 index empirically. Time-series analysis of realized variance over a 20-year period shows strong evidence of an elasticity of variance of the variance ...
Sigurd Emil Rømer, Rolf Poulsen
doaj   +6 more sources

Estimating Stochastic Volatility under the Assumption of Stochastic Volatility of Volatility [PDF]

open access: yesRisks, 2020
We propose novel nonparametric estimators for stochastic volatility and the volatility of volatility. In doing so, we relax the assumption of a constant volatility of volatility and therefore, we allow the volatility of volatility to vary over time.
Moawia Alghalith   +2 more
doaj   +4 more sources

The Effects of Institutional Investors Herding on the Performance of Iran Capial Market Anomalies [PDF]

open access: yesفصلنامه بورس اوراق بهادار, 2022
Anomalies in financial markets, which is produced and exacerbated by sensitive and imitative behavior and reduces market efficiency, have always been the focus of researchers. In this research, a criterion for measuring the mass turnover of institutional
mohammad hassan ebrahimi sarveolia   +3 more
doaj   +1 more source

Challenges of integrated variance estimation in emerging stock markets [PDF]

open access: yesZbornik radova Ekonomskog fakulteta u Rijeci : časopis za ekonomsku teoriju i praksu, 2019
Estimating integrated variance, using high frequency data, requires modelling experience and data crunching skills. Although intraday returns have attracted much attention in recent years, handling these data is challenging because of their ...
Josip Arnerić, Mario Matković
doaj   +1 more source

Methodological Approach to the Organization of Monitoring of Cash Flow Volatility

open access: yesФинансы: теория и практика, 2021
The study presents the author’s approach to monitoring the volatility of cash flows. The relevance of the study is due to the fact that a high increase in volatility can have a negative impact on the stability of individual economic entities; therefore ...
A. V. Larionov
doaj   +1 more source

Analysis of meat price volatility and volatility spillovers in Finland

open access: yesAgricultural Economics (AGRICECON), 2020
Unforeseen important changes in price can present a significant risk in the market. The price fluctuation of agricultural commodities has raised concern for studying the volatility of different agricultural products.
Marwa Ben Abdallah   +2 more
doaj   +1 more source

Eco-Efficiency and Stock Market Volatility: Emerging Markets Analysis

open access: yesAdministrative Sciences, 2021
Climate change, the accelerated industrialization of emerging countries, as well as the growing demand for transparency from stakeholders, are all factors that influence the environmental performance of companies. Thus, eco-efficient behavior can improve
Alicia Fernanda Galindo-Manrique   +2 more
doaj   +1 more source

Rating of Stability of Russian Companies in Oil and Gas and Electric Power Industries Based on Interval Volatility

open access: yesEnergies, 2023
The authors propose an instrumental apparatus for calculating the ratings of Russian companies in the oil and gas and electric power industries based on a weighting method, risk assessment using the minimax criterion and an intellectual tree structure ...
Alex Borodin   +3 more
doaj   +1 more source

Optimal Setting for Hurst Index Estimation and Its Application in Chinese Stock Market

open access: yesIEEE Access, 2021
The Hurst index is widely used to describe the long memory process of time series in economics, finance, and other fields. The setting for Hurst index estimation has not been thoroughly investigated by current literature.
Liang Ding   +3 more
doaj   +1 more source

Crude oil prices and volatility prediction by a hybrid model based on kernel extreme learning machine

open access: yesMathematical Biosciences and Engineering, 2021
In view of the important position of crude oil in the national economy and its contribution to various economic sectors, crude oil price and volatility prediction have become an increasingly hot issue that is concerned by practitioners and researchers ...
Hongli Niu, Yazhi Zhao
doaj   +1 more source

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