The recommending system is frequently used nowadays in Electronic Commerce. A lot of commercial transactions are made by recommends from trustable advisors, experts and partners. Many stock traders place their orders after their friends recommends them to do so. This report exams the effectiveness of recommending system in stock markets in the context of the Penn-Lehman Automated Trading (PLAT)...

Based on the premise that non-trading reflects illiquidity, we hypothesize that managers use stock splits to attract more uninformed trading so that market makers can provide liquidity services at lower costs, which increases investors’ trading propensity and improves liquidity. The improvement allows investors to face reduced liquidity risk and require a lower liquidity premium, which in turn ...

this paper investigates the informational content of abnormal volume trading of shares listed at tehran stock exchange (tse) using an event study methodology. the results for a sample of 48 iranian firms during 1385-1388 show that there are abnormal returns before and after the abnormal trading volume dates. regression analysis also shows that there is a significant relationship between trading...

Article history: Received 8 October 2011 Received in revised form 12 March 2012 Accepted 14 March 2012 Available online 23 March 2012 We present a multi-period trading model in the style of Kyle's (1985) inside trading model, by assuming that there are at least two insiders in the market with long-lived private information, under the requirement that each insider publicly disclose his stock tra...

The present study explores the effect of the gambler’s fallacy on stock trading volumes. I hypothesize that if a stock’s price rises (falls) during a number of consecutive trading days, then the gambler’s fallacy may cause at least some of the investors to expect that the stock’s price “has” to subsequently fall (rise), and thus, to increase their willingness to sell (buy) the stock, resulting ...

This paper examines the effect of temporarily suspending the trading of exchange-listed individual stocks. We evaluate whether regulatory authorities can successfully use the mechanism of trading suspension in forcing companies to disclose new and material information to the capital market. Previous studies on trading suspensions mainly concentrate on North-American stock markets and find no co...

Article history: Received 9 March 2007 Accepted 9 July 2008 Available online 12 October 2008 We examine four European stock indices and the prices of eight major German stocks for indications of psychological barriers. The frequency, (expected) returns, intraday volatility and trading volume of these assets are studied contingent on whether the prices lie within a certain range around round num...

Financial crises result from a catastrophic combination of actions. Vast stock market datasets offer us a window into some of the actions that have led to these crises. Here, we investigate whether data generated through Internet usage contain traces of attempts to gather information before trading decisions were taken. We present evidence in line with the intriguing suggestion that data on cha...

The Central Bank of Iran banned online currency trading through Forex brokers in November 2016. However, some Iranian speculators still trade in the online Forex market. Is this prohibition on Forex trading reasonable? According to reports, the majority of Forex day traders fail and leave the market within six months to a year. Some scholars attribute this failure to the changeable characterist...

today, stock investment has become an important mean of national finance. apparently, it is significant for investors to estimate the stock price and select the trading chance accurately in advance, which will bring high return to stockholders. in the past, long-term trading processes and many technical analysis methods for stock market were put forward. however, stock market is a nonlinear sys...