Role of proliferation COVID-19 media chatter in predicting Indian stock market: Integrated framework of nonlinear feature transformation and advanced AI. (1st June 2023)

• Record Type: Journal Article
• Authors: Ghosh, Indranil; Alfaro-Cortés, Esteban; Gámez, Matías; García-Rubio, Noelia
• Is Part Of: Expert systems with applications. Volume 219(2023)
• Publication Date: 2023-06-01
• Subjects: C53 -- F37 -- G17; Stock market prediction -- COVID-19 pandemic -- Media index -- RavenPack -- UMAP-LSTM -- ISOMAP-GBR -- XAI; Expert systems (Computer science) -- Periodicals; Systèmes experts (Informatique) -- Périodiques; Electronic journals; 006.33
• DOI: 10.1016/j.eswa.2023.119695
• Languages: English
• ISSNs: 0957-4174

Abstract

Abstract: The outbreak of the COVID-19 pandemic has transpired the global media to gallop with reports and news on the novel Coronavirus. The intensity of the news chatter on various aspects of the pandemic, in conjunction with the sentiment of the same, accounts for the uncertainty of investors linked to financial markets. In this research, Artificial Intelligence (AI) driven frameworks have been propounded to gauge the proliferation of COVID-19 news towards Indian stock markets through the lens of predictive modelling. Two hybrid predictive frameworks, UMAP-LSTM and ISOMAP-GBR, have been constructed to accurately forecast the daily stock prices of 10 Indian companies of different industry verticals using several systematic media chatter indices related to the COVID-19 pandemic alongside several orthodox technical indicators and macroeconomic variables. The outcome of the rigorous predictive exercise rationalizes the utility of monitoring relevant media news worldwide and in India. Additional model interpretation using Explainable AI (XAI) methodologies indicates that a high quantum of overall media hype, media coverage, fake news, etc., leads to bearish market regimes.