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Forecasting Stock Market Prices

The Journal of Finance, 1977
building techniques to publicly available information could have permitted an investor to earn a portfolio return in excess of the return which was commensurate with the portfolio risk. The question of equity market efficiency over time is an area of constant disagreement, especially between practitioners and theoreticians. The disagreement is really a
openaire   +1 more source

Stock Price prediction using LSTM and SVR

2020 Sixth International Conference on Parallel, Distributed and Grid Computing (PDGC), 2020
Stock price movement is non-linear and complex. Several research works have been carried out to predict stock prices. Traditional approaches such as Linear Regression and Support Vector Regression were used but accuracy was not adequate. Researchers have
Gourav Bathla
semanticscholar   +1 more source

Stock Prices and Heteroscedasticity

The Journal of Business, 1976
This paper provides evidence that the variance of returns on common stocks is not constant through time but is related to the volume of shares traded. In other words, returns on stocks are heteroscedastic. The work extends the approaches of Osborne, Granger and Morgenstern, and Clark.' Distributions of returns are known to be leptokurtic.
openaire   +1 more source

Powerful CEOs and Stock Price Crash Risk

Journal of Corporate Finance, 2020
We find that powerful chief executive officers (CEOs) are associated with higher crash risk. The positive association between CEO power and crash risk holds when controlling for earnings management, tax avoidance, chief executive officer's option ...
MD Al Mamun   +2 more
semanticscholar   +1 more source

Stock Price Prediction

2023
In this study, the last two years' hourly opening and closing prices of the banks' stocks traded on BIST-30 were used as the dataset. The research is aimed to predict the closing prices of these stocks in the light of machine learning. In this context, the authors propose a new method containing ensemble learning algorithms and fuzzy clustering ...
Ahmet Tezcan Tekin   +2 more
openaire   +1 more source

Sentiment Analysis for Stock Price Prediction

Conference on Multimedia Information Processing and Retrieval, 2020
Stock prices and financial markets are often sentiment-driven, which leads to research efforts to predict stock market trend using public sentiments expressed on social media such as Facebook and Twitter.
Rubi Gupta, Min Chen
semanticscholar   +1 more source

Dynamics of stock prices

Physical Review E, 2004
We show that the dynamics of stock prices can be accurately described as a continuous time random walk with a time dependent diffusion coefficient. The time evolution of the diffusion coefficient can be derived from tick by tick databases provided the stock price is characterized in terms of a couple of values describing the best ask and the best bid ...
openaire   +3 more sources

Stock Price Forecasting

Proceedings of the 2018 2nd International Conference on Cloud and Big Data Computing, 2018
Stock price forecasting has tremendous importance, it is one of the most challenging tasks due to the high volatility of stock market data. Share market investment is often risky, hence the need for an accurate forecasting model to minimize this risk. This article aims to present a new model for forecasting stock prices for a given horizon.
Yassine Touzani   +2 more
openaire   +1 more source

STOCK PRICE PREDICTIONS

eLearning and Software for Education, 2020
E-learning, in most contexts, is becoming a more accessible and efficient method of training through which people could acquire new knowledge. Due the difference between epochs, reading and analysing the growing flow of information has become a very challenging task for financial professionals.
openaire   +1 more source

Economic Policy Uncertainty and Stock Price Crash Risk

Accounting and Finance, 2019
This paper studies the impact of economic policy uncertainty on stock price crash risk using data from China. We develop a new index to measure Chinese economic policy uncertainty and find that economic policy uncertainty has a remarkable positive effect
Xuejun Jin, Ziqing Chen, Xiaolan Yang
semanticscholar   +1 more source

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