Showing 1 - 10 of 41,199
In this paper, an attempt has been made to model the volatility of NIFTY index of National Stock Exchange (NSE) and … comprises 3736 data points for the analysis by using Box-Jenkins or ARIMA model. The volatility in the Indian stock market … suggested by Hannan-Rissanen. As per the analysis, ARIMA (1,0,1) model was found to be the best fit to forecast the volatility …
Persistent link: https://www.econbiz.de/10013001574
The asymmetric moving average model (asMA) is extended to allow forasymmetric quadratic conditional heteroskedasticity (asQGARCH). Theasymmetric parametrization of the conditional variance encompassesthe quadratic GARCH model of Sentana (1995). We introduce a framework fortesting asymmetries in...
Persistent link: https://www.econbiz.de/10011303289
Volatility is an important component of asset pricing; an increase in volatility on markets can trigger changes in the … risk distribution of financial assets. In conventional financial theory, investors are considered to be rational and any … hypothesized that there are movements in risk that are driven by volatility linked to sentiment-driven noise trader activity whose …
Persistent link: https://www.econbiz.de/10012023919
Persistent link: https://www.econbiz.de/10009779296
We build an equilibrium model to explain why stock return predictability concentrates in bad times. The key feature is that investors use different forecasting models, and hence assess uncertainty differently. As economic conditions deteriorate, uncertainty rises and investors' opinions...
Persistent link: https://www.econbiz.de/10011721618
theory assumes that return shocks can be caused by changes in conditional volatility through a time-varying risk premium. On … leverage effect and the volatility feedback effect. We stress the importance of distinguishing between realized volatility and … implied volatility, and find that implied volatilities are essential for assessing the volatility feedback effect. The …
Persistent link: https://www.econbiz.de/10013128856
We examine the performance of volatility models that incorporate features such as long (short) memory, regime …-t). Second, we perform a comprehensive panel forecasting analysis of the MSM models as well as other competing volatility models … (GMM) estimation are both suitable for MSM-t models, (ii) empirical panel forecasts of MSM-t models show an improvement …
Persistent link: https://www.econbiz.de/10003864486
null hypothesis that the variable has no explanatory power. We derive the asymptotic theory for our test statistic and …
Persistent link: https://www.econbiz.de/10011958200
volatilityinduced stationarity. Our model employs a leveldependent conditional volatility that maintains stationarity despite the …
Persistent link: https://www.econbiz.de/10012111254
Modelling the volatility (or kurtosis) of the implied volatility is an important aspect of financial markets when … GARCH systems to model the volatility of the FTSE 100 Implied Volatility Index (IV). We use GARCH, EGARCH, GJR-GARCH and … other asymmetric models unless there is exceptionally high volatility such as the crisis of 2008 in which case EGARCH …
Persistent link: https://www.econbiz.de/10014254483