the aim of this research is study about influence of companies financial factors on volume of them shares traded in tehran stock exchange and classification of these financial factors on the basis of their effect on volume of shares traded. first, the relation of each above financial factors and “rial amount of trading volume” has studied separately. so it is used of correlation coefficient and...

We derive optimal portfolio weights for an investor who has specific beliefs regarding the distribution of a stock price at a future time. For example, a fundamental investor will want to take advantage of the information his analysis provides when constructing a portfolio. In this regard, we examine the optimal weights for models in which the investor believes that there is a range in which th...

This paper investigates the relationship between aggregate stock market trading volume and the serial correlation of daily stock returns. For both stock indexes and individual large stocks, the first-order daily return autocorrelation tends to decline with volume. The paper explains this phenomenon using a model in which risk-averse "market makers" accommodate buying or selling pressure from "l...

This paper investigates the optimal dynamic investment for an investor who maximizes constant absolute risk aversion (CARA) utility in a discrete-time market with a riskfree bond and a risky stock. The risky stock is assumed to present both the dividend risk and the price risk. With our assumptions, the dividend risk is equivalent to fundamental risk, and the price risk is equivalent to the noi...

This study uses 462,678 monthly observations of US-listed firms for the period 1990–2018 to document a strong positive relationship between short-term changes in financial distress risk and future stock price crashes. result is economically significant as one interquartile increase main explanatory variable any month increases probability crash by 8.33% relative its mean value. The findings wit...