Changes in stock price will be influenced by many aspects of factors. When we are predicting stock price, it is difficult to build a determined mathematical model between stock prices and these complex factors. This paper first utilizes ε − SVM (ε − support vector machine) to build a stock price prediction model. By fitting the prediction error sequence, we find the law factors, which the predi...

We model and test for the role of heterogeneously informed, strategic multi-asset speculation for cross-price impact—the impact of trades in one asset on the prices of other (even unrelated) assets—in the U.S. stock market. Our investigation of the trading activity in New York Stock Exchange (NYSE) and National Association of Securities Dealers Automated Quotation System (NASDAQ) stocks between...

In many emerging stock markets, price limits are imposed on the magnitude of daily price movements. Price limit advocates claim that such limits serve as "circuit breakers" and decrease stock price volatility. Critics argue that the limits cause supply and demand imbalances in trading. Consequently, they prevent immediate corrections in price and increase the volatility of the opening return on...

The trade size ω has direct impact on the price formation of the stock traded. Econophys-ical analyses of transaction data for the US and Australian stock markets have uncovered market-specific scaling laws, where a master curve of price impact can be obtained in each market when stock capitalization C is included as an argument in the scaling relation. However, the rationale of introducing sto...

Stock price synchronicity at a country level has been the subject of many previous studies, but for most investors it is more relevant at a firm level. Working from the perspective of a foreign investor stock price synchronicity is analyzed at the firm-level in the hot Chinese stock market. The impact of foreign ownership, institutional ownership, the concentration of large shareholders, and au...

in this article, decisions about price and stock allocation for a seller with multiple customer classes are analyzed. with each customer arrival, the seller needs to decide about accepting or rejecting the customer’s demand by considering the stock on hand. in the case of acceptance, one needs to decide about the selling price. after any change in the inventory level, decision about continuing ...

there are several researches that deal with the behavior of ses and their relationships with different economical factors. these range from papers dealing with this subject through econometrical procedures to statistical methods known as copula. this article considers the impact of oil and gold price on tehran stock exchange market (tse). oil and gold are two factors that are essential for the ...