Showing 1 - 10 of 48
This paper reconsiders return-volume dependence for the U.S. and six international equity markets. We contribute to previous work by proposing surprise volume as a new proxy for private information flow and apply extreme value theory in studying dependence for large volume and return, i.e. under...
Persistent link: https://www.econbiz.de/10005134862
Generally there is a common belief that returns and trading activities have a strong positive relationship. This paper analyzes return-volume relationship in Indian context, both in contemporaneous as well as lead- lag. Initial screening of returns and trading activity data shows some...
Persistent link: https://www.econbiz.de/10005134900
to price movements, creates a feedback mechanism on future trading and generates volatility clustering. The model also … reproduces the empirically observed positive cross- correlation between volatility and trading volume. …
Persistent link: https://www.econbiz.de/10005413173
volume provides superior model fit and helps to explain volatility persistence as well as excess kurtosis. Surprise volume …
Persistent link: https://www.econbiz.de/10005556382
A computerized double auction market with human traders is employed to examine the relation of price and volume under conditions of asymmetric information. In this market, the informed traders receive higher precision signals than the uninformed traders. The relation of price and volume has been...
Persistent link: https://www.econbiz.de/10005556681
We examine the effects of thin trading on the specification of event study tests. Simu-lations of upper and lower tail tests are reported with and without variance increases on the event date across levels of trading volume. The traditional standardized test is mis-specified for thinly traded...
Persistent link: https://www.econbiz.de/10005561759
importance of the market movements. These indices are based on the price volatility and are computed by integrating mapped asset …
Persistent link: https://www.econbiz.de/10005076995
financial instruments in the portfolio and on the volatility of those returns.This task is relatively simple if the correlations … and volatilities do not change over time.But in reality both volatility and stock market indexes’ correlations do change …
Persistent link: https://www.econbiz.de/10005124892
applications in power industries. This model with stochastic volatility of the forward price is built using the ideas and equations … of stochastic differential geometry in order to close the system of equations for the forward price and its volatility …. Stationary distributions for the forward price volatility are found analytically as well as the forward price curves in the one …
Persistent link: https://www.econbiz.de/10005124894
affected by ‘vo- latility contagion’ coming from emerging markets. I find also some partial support for the ‘volatility …
Persistent link: https://www.econbiz.de/10005125528