Results 11 to 20 of about 221,640 (269)

Modeling the Optimal Portfolio: the Case of the Largest European Stock Exchanges

open access: yesComparative Economic Research, 2020
Portfolio optimization is the main concern for portfolio managers. Financial securities are placed within the portfolio based on the investor’s risk tolerance.
Florin Aliu   +3 more
doaj   +1 more source

Model Free Inference on Multivariate Time Series with Conditional Correlations

open access: yesStats, 2020
New results on volatility modeling and forecasting are presented based on the NoVaS transformation approach. Our main contribution is that we extend the NoVaS methodology to modeling and forecasting conditional correlation, thus allowing NoVaS to work in
Dimitrios Thomakos   +2 more
doaj   +1 more source

Volatility Forecasting in Financial Risk Management with Statistical Models and ARCH-RBF Neural Networks [PDF]

open access: yesJournal of Risk Analysis and Crisis Response (JRACR), 2014
As volatility plays very important role in financial risk management, we investigate the volatility dynamics of EUR/GBP currency. While a number of studies examines volatility using statistical models, we also use neural network approach.
Dusan Marcek, Lukas Falat
doaj   +1 more source

The Effect of Change in Price Limit on Stock Market Volatility and Trading Volume -Evidence from Tehran Stock Exchange (TSE) [PDF]

open access: yesمجله دانش حسابداری, 2010
Financial market crashes in recent decades have given rise to discussions about excessive volatility in these markets. Some authorities recommend price limits as a device to control excessive price swings, arguing that price limits can provide a cooling ...
Ahmad Badri, Maryam Ramezanian
doaj   +1 more source

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 meaning of structural breaks for risk management: new evidence, mechanisms, and innovative views for the post-COVID-19 era

open access: yesQuantitative Finance and Economics, 2022
This paper quantitatively reveals the meaning of structural breaks for risk management by analyzing US and major European banking sector stocks. Applying newly extended Glosten-Jagannathan-Runkle generalized autoregressive conditional heteroscedasticity ...
Chikashi Tsuji
doaj   +1 more source

Volatility Modeling and Dependence Structure of ESG and Conventional Investments

open access: yesRisks, 2022
The question of whether environmental, social, and governance investments outperform or underperform other conventional financial investments has been debated in the literature.
Joanna Górka, Katarzyna Kuziak
doaj   +1 more source

Concentration and Liquidity Costs in Emerging Commodity Exchanges

open access: yesJournal of Agricultural and Resource Economics, 2018
We analyze the relationships among liquidity costs, volume, and volatility in the Brazilian agricultural futures market, along with the role of market concentration.
Geraldo Jr. Costa   +2 more
doaj   +1 more source

Forecasting the Risk Factor of Frontier Markets: A Novel Stacking Ensemble of Neural Network Approach

open access: yesFuture Internet, 2022
Forecasting the risk factor of the financial frontier markets has always been a very challenging task. Unlike an emerging market, a frontier market has a missing parameter named “volatility”, which indicates the market’s risk and as a result of the ...
Mst. Shapna Akter   +3 more
doaj   +1 more source

Investigation of forecasted risk interrelationship: base on GARCH model, causality in China markets

open access: yesJournal of Business Economics and Management, 2014
This paper used data from the Shenzhen and Shanghai stock markets to simulate the adjusted volatility, and applied time series methods to realize the relationships of the volatilities between the two markets.
Shu-Shian Lin
doaj   +1 more source

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