The stock market is a key pivot in every growing and thriving economy, and every investment
in the market is aimed at maximising profit and minimising associated risk. As a result …

Stocks price prediction is a current hot spot with great promise and challenges. Recently,
there have been many stock price prediction methods. However, the prediction accuracy of …

In this paper, we investigate the predictive ability of three sentiment indices constructed by
social media, newspaper, and Internet media news to forecast the realized volatility (RV) of …

The stock market is very unstable and volatile due to several factors such as public
sentiments, economic factors and more. Several Petabytes volumes of data are generated …

Real-time market prediction tool tracking public opinion in specialized newsgroups and
informative market data persuades investors of financial markets. Previous works mainly …

The stock market is viewed as an unpredictable, volatile, and competitive market. The
prediction of stock prices has been a challenging task for many years. In fact, many analysts …

Emotions are an inseparable part of how people use social media. While a more cognitive
view on social media has initially dominated the research looking into areas such as …

This study examined the role of social media sentiment in identifying irrational herding
behavior in the stock market. We selected the Chinese stock market, where majority are …

We examine the long-term relationship between signals derived from nine years of
unstructured social media microblog text data and financial market developments in five …

We employ multiple heterogeneous data sources, including historical transaction data,
technical indicators, stock posts, news and Baidu index, to predict the directions of stock …