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Related papers: Sentiment Predictability for Stocks

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This paper explores the design of an aspect-based sentiment analysis system using large language models (LLMs) for real-world use. We focus on quadruple opinion extraction -- identifying aspect categories, sentiment polarity, targets, and…

Computation and Language · Computer Science 2025-07-17 Benjamin White , Anastasia Shimorina

The study of the stock market with the attraction of machine learning approaches is a major direction for revealing hidden market regularities. This knowledge contributes to a profound understanding of financial market dynamics and getting…

Machine Learning · Computer Science 2023-03-28 Andrei Zaichenko , Aleksei Kazakov , Elizaveta Kovtun , Semen Budennyy

This study integrates real-time sentiment analysis from financial news, GPT-2 and FinBERT, with technical indicators and time-series models like ARIMA and ETS to optimize S&P 500 trading strategies. By merging sentiment data with momentum…

Computational Finance · Quantitative Finance 2025-07-15 Haojie Liu , Zihan Lin , Randall R. Rojas

Predictive model design for accurately predicting future stock prices has always been considered an interesting and challenging research problem. The task becomes complex due to the volatile and stochastic nature of the stock prices in the…

Machine Learning · Computer Science 2021-11-10 Jaydip Sen , Saikat Mondal , Sidra Mehtab

A novel social networks sentiment analysis model is proposed based on Twitter sentiment score (TSS) for real-time prediction of the future stock market price FTSE 100, as compared with conventional econometric models of investor sentiment…

Social and Information Networks · Computer Science 2020-04-23 Xinyi Guo , Jinfeng Li

Stock market prediction has been an active area of research for a considerable period. Arrival of computing, followed by Machine Learning has upgraded the speed of research as well as opened new avenues. As part of this research study, we…

The stock market's ascent typically mirrors the flourishing state of the economy, whereas its decline is often an indicator of an economic downturn. Therefore, for a long time, significant correlation elements for predicting trends in…

Machine Learning · Computer Science 2024-11-12 Wenjun Gu , Yihao Zhong , Shizun Li , Changsong Wei , Liting Dong , Zhuoyue Wang , Chao Yan

We provide a hands-on introduction to optimized textual sentiment indexation using the R package sentometrics. Textual sentiment analysis is increasingly used to unlock the potential information value of textual data. The sentometrics…

Machine Learning · Statistics 2021-10-22 David Ardia , Keven Bluteau , Samuel Borms , Kris Boudt

Stock market prediction presents considerable challenges for investors, financial institutions, and policymakers operating in complex market environments characterized by noise, non-stationarity, and behavioral dynamics. Traditional…

Machine Learning · Computer Science 2026-05-18 Mohammad Al Ridhawi , Mahtab Haj Ali , Hussein Al Osman

The Web is a vast virtual space where people can share their opinions, impacting all aspects of life and having implications for marketing and communication. The most up-to-date and comprehensive information can be found on social media…

Machine Learning · Computer Science 2023-02-15 Melvin Mokhtari , Ali Seraj , Niloufar Saeedi , Adel Karshenas

The stock market prediction has always been crucial for stakeholders, traders and investors. We developed an ensemble Long Short Term Memory (LSTM) model that includes two-time frequencies (annual and daily parameters) in order to predict…

Statistical Finance · Quantitative Finance 2020-01-13 Zineb Lanbouri , Saaid Achchab

By capturing the prevailing sentiment and market mood, textual data has become increasingly vital for forecasting commodity prices, particularly in metal markets. However, the effectiveness of lightweight, finetuned large language models…

Machine Learning · Computer Science 2026-04-01 Alvaro Paredes Amorin , Andre Python , Christoph Weisser

In order to make good investment decisions, it is vitally important for an investor to know how to make good analysis of financial time series. Within this context, studies on the forecast of the values and trends of stock prices have…

Statistical Finance · Quantitative Finance 2021-08-24 Gabriel de Oliveira Guedes Nogueira , Marcel Otoboni de Lima

This study aims to evaluate the sentiment of financial texts using large language models~(LLMs) and to empirically determine whether LLMs exhibit company-specific biases in sentiment analysis. Specifically, we examine the impact of general…

Computational Finance · Quantitative Finance 2025-08-26 Kei Nakagawa , Masanori Hirano , Yugo Fujimoto

We study dynamics of a simulated world with stock and money, driven by the externally given processes which we refer to as sentiments. The considered sentiments influence the buy/sell stock trading attitude, the perceived price uncertainty,…

Trading and Market Microstructure · Quantitative Finance 2017-07-26 Mikhail Goykhman

Sentiment analysis is a very important natural language processing activity in which one identifies the polarity of a text, whether it conveys positive, negative, or neutral sentiment. Along with the growth of social media and the Internet,…

Computation and Language · Computer Science 2025-09-30 Meysam Shirdel Bilehsavar , Negin Mahmoudi , Mohammad Jalili Torkamani , Kiana Kiashemshaki

In this paper, we explore the usability of different natural language processing models for the sentiment analysis of social media applied to financial market prediction, using the cryptocurrency domain as a reference. We study how the…

Computation and Language · Computer Science 2022-04-22 Ali Raheman , Anton Kolonin , Igors Fridkins , Ikram Ansari , Mukul Vishwas

Existing surveys on stock market prediction often focus on traditional machine learning methods instead of deep learning methods. This motivates us to provide a structured and comprehensive overview of the research on stock market…

General Finance · Quantitative Finance 2023-02-10 Jinan Zou , Qingying Zhao , Yang Jiao , Haiyao Cao , Yanxi Liu , Qingsen Yan , Ehsan Abbasnejad , Lingqiao Liu , Javen Qinfeng Shi

Sentiment analysis is a vital tool for uncovering insights from financial articles, news, and social media, shaping our understanding of market movements. Despite the impressive capabilities of large language models (LLMs) in financial…

Computation and Language · Computer Science 2023-06-23 Boyu Zhang , Hongyang Yang , Xiao-Yang Liu

The stock market is a network which provides a platform for almost all major economic transactions. While investing in the stock market is a good idea, investing in individual stocks may not be, especially for the casual investor. Smart…

Statistical Finance · Quantitative Finance 2022-08-30 Om Mane , Saravanakumar kandasamy