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Predicting the stock market trend has always been challenging since its movement is affected by many factors. Here, we approach the future trend prediction problem as a machine learning classification problem by creating tomorrow_trend…

Statistical Finance · Quantitative Finance 2022-01-31 Taylan Kabbani , Fatih Enes Usta

In this paper, we propose a model to analyze sentiment of online stock forum and use the information to predict the stock volatility in the Chinese market. We have labeled the sentiment of the online financial posts and make the dataset…

Social and Information Networks · Computer Science 2017-05-09 Yifan Liu , Zengchang Qin , Pengyu Li , Tao Wan

Being able to predict stock prices might be the unspoken wish of stock investors. Although stock prices are complicated to predict, there are many theories about what affects their movements, including interest rates, news and social media.…

Machine Learning · Computer Science 2021-05-05 Roderick Karlemstrand , Ebba Leckström

Macroeconomic variables are known to significantly impact equity markets, but their predictive power for price fluctuations has been underexplored due to challenges such as infrequency and variability in timing of announcements, changing…

General Finance · Quantitative Finance 2025-03-26 Martina Halousková , Štefan Lyócsa

In this work, we present our findings and experiments for stock-market prediction using various textual sentiment analysis tools, such as mood analysis and event extraction, as well as prediction models, such as LSTMs and specific…

Computation and Language · Computer Science 2018-01-22 Jordan Prosky , Xingyou Song , Andrew Tan , Michael Zhao

Current multimodal sentiment analysis frames sentiment score prediction as a general Machine Learning task. However, what the sentiment score actually represents has often been overlooked. As a measurement of opinions and affective states,…

Computation and Language · Computer Science 2018-07-05 Leimin Tian , Catherine Lai , Johanna D. Moore

Time series models, typically trained on numerical data, are designed to forecast future values. These models often rely on weighted averaging techniques over time intervals. However, real-world time series data is seldom isolated and is…

Computation and Language · Computer Science 2024-07-08 Litton Jose Kurisinkel , Pruthwik Mishra , Yue Zhang

Sentiment analysis possesses the potential of diverse applicability on digital platforms. Sentiment analysis extracts the polarity to understand the intensity and subjectivity in the text. This work uses a lexicon-based method to perform…

Computation and Language · Computer Science 2024-09-20 Muhammad Raees , Samina Fazilat

Forecasting crude oil prices remains challenging because market-relevant information is embedded in large volumes of unstructured news and is not fully captured by traditional polarity-based sentiment measures. This paper examines whether…

Statistical Finance · Quantitative Finance 2026-03-18 Dehao Dai , Ding Ma , Dou Liu , Kerui Geng , Yiqing Wang

Sentiment Analysis (SA) or opinion mining is analysis of emotions and opinions from any kind of text. SA helps in tracking peoples viewpoints and it is an important factor when it comes to social media monitoring product and brand…

Computation and Language · Computer Science 2025-02-27 Gibson Nkhata , Usman Anjum , Justin Zhan

While stock prediction task traditionally relies on volume-price and fundamental data to predict the return ratio or price movement trend, sentiment factors derived from social media platforms such as StockTwits offer a complementary and…

Computational Engineering, Finance, and Science · Computer Science 2025-11-11 Wanyun Zhou , Saizhuo Wang , Xiang Li , Yiyan Qi , Jian Guo , Xiaowen Chu

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

Computation and Language · Computer Science 2018-01-29 Stefanos Angelidis , Mirella Lapata

Sentiment analysis is a natural language processing task that aims to identify and extract the emotional aspects of a text. However, many existing sentiment analysis methods primarily classify the overall polarity of a text, overlooking the…

Computation and Language · Computer Science 2024-07-30 Mahdi Rezapour

This paper discusses how to crawl the data of financial forums such as stock bar, and conduct emotional analysis combined with the in-depth learning model. This paper will use the Bert model to train the financial corpus and predict the…

Statistical Finance · Quantitative Finance 2022-05-16 Chenrui Zhang

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

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

In the era of rapid technological advancement, social media platforms such as Twitter (X) have emerged as indispensable tools for gathering consumer insights, capturing diverse opinions, and understanding public attitudes. This research…

Human-Computer Interaction · Computer Science 2025-10-23 S M Rakib Ul Karim , Rownak Ara Rasul , Tunazzina Sultana

Prediction of future movement of stock prices has been a subject matter of many research work. There is a gamut of literature of technical analysis of stock prices where the objective is to identify patterns in stock price movements and…

Statistical Finance · Quantitative Finance 2021-09-07 Sidra Mehtab , Jaydip Sen

Economy is severely dependent on the stock market. An uptrend usually corresponds to prosperity while a downtrend correlates to recession. Predicting the stock market has thus been a centre of research and experiment for a long time. Being…

Statistical Finance · Quantitative Finance 2022-11-15 Shayan Halder

People use the world wide web heavily to share their experience with entities such as products, services, or travel destinations. Texts that provide online feedback in the form of reviews and comments are essential to make consumer…

Computation and Language · Computer Science 2025-02-07 Ali Erkan , Tunga Gungor