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volatility índices (namely the originally created RTSVX and the new RVI that has replaced it), using daily data over the period …
Persistent link: https://www.econbiz.de/10011903723
Persistent link: https://www.econbiz.de/10013442222
This paper investigates persistence in high-frequency, intraday data (and also daily and monthly ones) in the case of … exponent as a measure of persistence. The results indicate that persistence is sensitive to the data frequency. More … addition, persistence varies over time. These findings imply that the Efficient Market Hypothesis (EMH) only holds in the case …
Persistent link: https://www.econbiz.de/10013419363
In this study, the performance of the Multifractal Model of Asset Returns (MMAR) was examined for stock index returns of four emerging markets. The MMAR, which takes into account stylized facts of financial time series, such as long memory, fat tails and trading time, was developed as an...
Persistent link: https://www.econbiz.de/10011474619
This paper examines long memory volatility in international stock markets. We show that long memory volatility is … memory in volatility than emerging and frontier countries and that stock market jumps are negatively correlated with long … memory of volatility. Overall, our results provide some evidence of a link between stock market uncertainty and macroeconomic …
Persistent link: https://www.econbiz.de/10012853413
This paper examines long memory volatility in the cross-section of stock returns. We show that long memory volatility … capitalization, book-to-market ratio, prior performance and price jumps. Long memory volatility is negatively priced in the cross …-section. Buying stocks with shorter memory and selling stocks with longer memory in volatility generates significant excess returns of …
Persistent link: https://www.econbiz.de/10011750708
This paper examines the volatility of banks equity weekly returns for six banks (coded B1 to B6) using GARCH models … in Student’s t-distribution are adjudged the best volatility models for B2 and B3 respectively. The study recommends that … in modelling stock market volatility, variants of GARCH models and alternative error distribution should be considered …
Persistent link: https://www.econbiz.de/10011843494
studyanalyzes the stock market volatility in three distinct regimes (accumulation or distri-bution - regime 1; big-move - regime 2 …
Persistent link: https://www.econbiz.de/10012513279
The paper examines the relative performance of Stochastic Volatility (SV) and Generalised Autoregressive Conditional … Heteroscedasticity (GARCH) (1,1) models fitted to ten years of daily data for FTSE. As a benchmark, we used the realized volatility (RV … two standard volatility models if the simple expedient of using lagged squared demeaned daily returns provides a better RV …
Persistent link: https://www.econbiz.de/10012203997
In this article the relationship between market return and volatility is examined by applying out-of-sample methodology … unexpected volatility and monthly returns in most of international exchanges. I didn't also find any significant relationship … between forecasted volatility and monthly returns. The results contradict the asset pricing theories which explain a positive …
Persistent link: https://www.econbiz.de/10013097841