Results 31 to 40 of about 1,369,451 (372)

The impact of investor sentiment on sectoral returns and volatility: Evidence from the Johannesburg stock exchange

open access: yesCogent Economics & Finance, 2022
This study investigated the impact of investor sentiment impact on sectoral returns and their volatility on the Johannesburg Stock Exchange using a proxy-based composite investor sentiment index and generalised autoregressive conditional ...
Hilary Tinotenda Muguto   +7 more
semanticscholar   +1 more source

The Application of Symbolic Regression on Identifying Implied Volatility Surface

open access: yesMathematics, 2023
One important parameter in the Black–Scholes option pricing model is the implied volatility. Implied volatility surface (IVS) is an important concept in finance that describes the variation of implied volatility across option strike price and time to ...
Jiayi Luo, Cindy Long Yu
doaj   +1 more source

Entropy Based Student’s t-Process Dynamical Model

open access: yesEntropy, 2021
Volatility, which represents the magnitude of fluctuating asset prices or returns, is used in the problems of finance to design optimal asset allocations and to calculate the price of derivatives.
Ayumu Nono   +2 more
doaj   +1 more source

Impact of Idiosyncratic Volatility on Average Stock Returns: Evidence from Sri Lanka [PDF]

open access: yesColombo Business Journal, 2020
The complete diversification of idiosyncratic volatility is questionable due to factors such as market imperfections, investor irrationality and managerial decisions.
H. A. P. K. Perera
doaj   +1 more source

Influence of Real Exchange Rate on the Finance-Growth Nexus in the West African Region

open access: yesEconomies, 2019
This study examines the moderating effects of the real exchange rate and its volatility on the finance-growth nexus in the West African region. It also determines the marginal effects of financial development on economic growth at various levels of the ...
Kizito Uyi Ehigiamusoe, Hooi Hooi Lean
doaj   +1 more source

Evaluation of the Fluctuation Mechanism of Behavioral Financial Market Based on Edge Computing

open access: yesInternational Transactions on Electrical Energy Systems, 2022
The global economy is growing faster and faster. Behavioral finance is a transformation of financial theory. Over the past decade, this shift has had strong repercussions in academia, challenging the dominance of traditional finance and forming its own ...
Xiaoliang Yuan
doaj   +1 more source

Analysis of Investor Sentiment Impact in Indonesia Composite Stock Price Index Return Volatility

open access: yesIndonesian Journal of Business and Entrepreneurship, 2018
The Composite Stock Price Index (IHSG) is an index used as an indicator of stock price movements on Indonesia Stock Exchange and reference of capital market activities.
Rum Puspita Widhiarti   +2 more
doaj   +1 more source

Corporate financing and macroeconomic volatility in the European union [PDF]

open access: yesInternational Economics and Economic Policy, 2010
This paper investigates the impact of corporate financing patterns in the European Union (EU) on macroeconomic volatility. We examine macroeconomic data for eight EU countries. We find that during the period 1990 through 2005 bank financing was positively associated with volatility in GDP, consumption and investment.
Victor Murinde   +2 more
openaire   +2 more sources

Forecasting the Volatility of the Stock Index with Deep Learning Using Asymmetric Hurst Exponents

open access: yesFractal and Fractional, 2022
The prediction of the stock price index is a challenge even with advanced deep-learning technology. As a result, the analysis of volatility, which has been widely studied in traditional finance, has attracted attention among researchers.
Poongjin Cho, Minhyuk Lee
doaj   +1 more source

The continuity and estimates of a solution to mixed fractional constant elasticity of variance system with stochastic volatility and the pricing of vulnerable options

open access: yesJournal of Inequalities and Applications, 2019
Stochastic volatility models play an important role in finance modeling. Under a mixed fractional Brownian motion environment, we study the continuity and estimates of a solution to a kind of stochastic differential equations with double volatility terms.
Yan Dong
doaj   +1 more source

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