Results 21 to 30 of about 5,992 (265)

KAJIAN MODEL HIDDEN MARKOV UNTUK MENDUGA VOLATILITAS INDEKS HARGA SAHAM

open access: yesPrima: Jurnal Pendidikan Matematika, 2019
Abstrak Volatility is a measure of uncertainty. Volatility can either be measured by using the standard deviation or variance between returns. The problem is volatility is unobservable, and estimating volatility is not a trivial task.
Abdul Baist
doaj   +1 more source

Forecasting Foreign Exchange Volatility Using Deep Learning Autoencoder-LSTM Techniques

open access: yesComplexity, 2021
Since the breakdown of the Bretton Woods system in the early 1970s, the foreign exchange (FX) market has become an important focus of both academic and practical research.
Gunho Jung, Sun-Yong Choi
doaj   +1 more source

Development of Instrumental Approaches to Forecasting the Volatility of the Return of Financial Assets

open access: yesSustainable Development and Engineering Economics, 2023
Measurement and forecasting of volatility and income correlation are achieved by non-parametric methods using high-frequency price data. Due to accurate calculations of conditional volatility and correlation forecasting, it is possible to correctly ...
John Guyomey, Andrey Zaitsev
doaj   +1 more source

Measuring and Forecasting Volatility in Chinese Stock Market Using HAR-CJ-M Model

open access: yesAbstract and Applied Analysis, 2013
Basing on the Heterogeneous Autoregressive with Continuous volatility and Jumps model (HAR-CJ), converting the realized Volatility (RV) into the adjusted realized volatility (ARV), and making use of the influence of momentum effect on the volatility, a ...
Chuangxia Huang   +3 more
doaj   +1 more source

Modeling and Forecasting the Volatility of Eastern European Emerging Markets

open access: yesEast Asian Economic Review, 2009
This study has attempted to seek a volatility forecasting model that can reflect sufficiently the long memory characteristic in the volatility of four Eastern European emerging stock markets, naThis study has attempted to seek a volatility forecasting ...
Sang Hoon Kang , Seong-Min Yoon
doaj   +1 more source

Forecasting the volatility of European Union allowance futures with time-varying higher moments and time-varying risk aversion

open access: yesFrontiers in Environmental Science, 2022
There is increasing evidence that European Union allowance (EUA) futures return distributions exhibit features of time-varying higher moments (skewness and kurtosis), which plays an important role in modeling and forecasting EUA futures volatility ...
Xinyu Wu, Xueting Mei, Zhongming Ding
doaj   +1 more source

Historical Perspectives in Volatility Forecasting Methods with Machine Learning

open access: yesRisks
Volatility forecasting for financial institutions plays a pivotal role across a wide range of domains, such as risk management, option pricing, and market making.
Zhiang Qiu   +3 more
doaj   +1 more source

Hybrid Forecasting Models Based on the Neural Networks for the Volatility of Bitcoin

open access: yesApplied Sciences, 2020
In this paper, we study the volatility forecasts in the Bitcoin market, which has become popular in the global market in recent years. Since the volatility forecasts help trading decisions of traders who want a profit, the volatility forecasting is an ...
Monghwan Seo, Geonwoo Kim
doaj   +1 more source

Evaluating Volatility and Correlation Forecasts [PDF]

open access: yes, 2009
This chapter considers the problems of evaluation and comparison of volatility forecasts, both univariate (variance) and multivariate (covariance matrix and/or correlation). We pay explicit attention to the fact that the object of interest in these applications is unobservable, even ex post, and so the evaluation and comparison of volatility forecasts ...
Andrew J. Patton, Kevin Sheppard
openaire   +3 more sources

Adding dummy variables: A simple approach for improved volatility forecasting in electricity market

open access: yesJournal of Management Science and Engineering, 2023
This study used dummy variables to measure the influence of day-of-the-week effects and structural breaks on volatility. Considering day-of-the-week effects, structural breaks, or both, we propose three classes of HAR models to forecast electricity ...
Xu Gong, Boqiang Lin
doaj   +1 more source

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