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Predicting stock market movements remains a persistent challenge due to the inherently volatile, non-linear, and stochastic nature of financial time series data. This paper introduces a deep learning-based framework employing Long…

Computational Engineering, Finance, and Science · Computer Science 2025-05-09 Rajneesh Chaudhary

Prediction and quantification of future volatility and returns play an important role in financial modelling, both in portfolio optimization and risk management. Natural language processing today allows to process news and social media…

Statistical Finance · Quantitative Finance 2020-12-14 Justina Deveikyte , Helyette Geman , Carlo Piccari , Alessandro Provetti

In this paper, we propose a capsule-based neural network model to solve the semantic segmentation problem. By taking advantage of the extractable part-whole dependencies available in capsule layers, we derive the probabilities of the class…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Tao Sun , Zhewei Wang , C. D. Smith , Jundong Liu

A financial system contains many elements networked by their relationships. Extensive works show that topological structure of the network stores rich information on evolutionary behaviors of the system such as early warning signals of…

Statistical Finance · Quantitative Finance 2018-05-09 Li Zhou , Lu Qiu , Changgui Gu , Huijie Yang

Recently, Capsule Networks (CapsNets) have shown improved performance compared to the traditional Convolutional Neural Networks (CNNs), by encoding and preserving spatial relationships between the detected features in a better way. This is…

The price movement prediction of stock market has been a classical yet challenging problem, with the attention of both economists and computer scientists. In recent years, graph neural network has significantly improved the prediction…

Statistical Finance · Quantitative Finance 2023-05-16 Sheng Xiang , Dawei Cheng , Chencheng Shang , Ying Zhang , Yuqi Liang

Predicting stock market movements is a well-known problem of interest. Now-a-days social media is perfectly representing the public sentiment and opinion about current events. Especially, twitter has attracted a lot of attention from…

Information Retrieval · Computer Science 2016-10-31 Venkata Sasank Pagolu , Kamal Nayan Reddy Challa , Ganapati Panda , Babita Majhi

This paper will discuss how headline data can be used to predict stock prices. The stock price in question is the SPDR S&P 500 ETF Trust, also known as SPY that tracks the performance of the largest 500 publicly traded corporations in the…

Statistical Finance · Quantitative Finance 2025-07-04 Ayaan Qayyum

Neural networks have revolutionized many empirical fields, yet their application to financial time series forecasting remains controversial. In this study, we demonstrate that the conventional practice of estimating models locally in…

Econometrics · Economics 2025-02-21 Chen Liu , Minh-Ngoc Tran , Chao Wang , Richard Gerlach , Robert Kohn

Predicting investors reactions to financial and political news is important for the early detection of stock market jitters. Evidence from several recent studies suggests that online social media could improve prediction of stock market…

Social and Information Networks · Computer Science 2017-09-20 Fani Tsapeli , Nikolaos Bezirgiannidis , Peter Tino , Mirco Musolesi

This paper is to explore the possibility to use alternative data and artificial intelligence techniques to trade stocks. The efficacy of the daily Twitter sentiment on predicting the stock return is examined using machine learning methods.…

Artificial Intelligence · Computer Science 2018-01-09 Catherine Xiao , Wanfeng Chen

This study looks into employees' communication, offering novel metrics which can help to predict a company's stock price. We studied the intranet forum of a large Italian company, exploring the interactions and the use of language of about…

Computation and Language · Computer Science 2021-05-26 A. Fronzetti Colladon , G. Scettri

Several text classification tasks such as sentiment analysis, news categorization, multi-label classification and opinion classification are challenging problems even for modern deep learning networks. Recently, Capsule Networks (CapsNets)…

Computation and Language · Computer Science 2020-07-09 Akhilesh Kumar Gangwar , Vadlamani Ravi

Great research efforts have been devoted to exploiting deep neural networks in stock prediction. While long-range dependencies and chaotic property are still two major issues that lower the performance of state-of-the-art deep learning…

Statistical Finance · Quantitative Finance 2021-11-02 Junran Wu , Ke Xu , Xueyuan Chen , Shangzhe Li , Jichang Zhao

We demonstrate that future market correlation structure can be predicted with high out-of-sample accuracy using a multiplex network approach that combines information from social media and financial data. Market structure is measured by…

Statistical Finance · Quantitative Finance 2019-09-04 Thársis T. P. Souza , Tomaso Aste

Predicting the turnover of a company in the ever fluctuating Stock market has always proved to be a precarious situation and most certainly a difficult task in hand. Data mining is a well-known sphere of Computer Science that aims on…

Machine Learning · Computer Science 2015-08-04 D. S. Shashaank , V. Sruthi , M. L. S Vijayalakshimi , Jacob Shomona Garcia

The Efficient Market Hypothesis (EMH) is widely accepted to hold true under certain assumptions. One of its implications is that the prediction of stock prices at least in the short run cannot outperform the random walk model. Yet, recently…

Social and Information Networks · Computer Science 2023-03-24 Panagiotis Papaioannnou , Lucia Russo , George Papaioannou , Constantinos Siettos

The application of deep learning to time series forecasting is one of the major challenges in present machine learning. We propose a novel methodology that combines machine learning and image processing methods to define and predict market…

Computational Finance · Quantitative Finance 2020-08-19 Bairui Du , Delmiro Fernandez-Reyes , Paolo Barucca

Stock price prediction can be made more efficient by considering the price fluctuations and understanding the sentiments of people. A limited number of models understand financial jargon or have labelled datasets concerning stock price…

Statistical Finance · Quantitative Finance 2021-03-31 Mukul Jaggi , Priyanka Mandal , Shreya Narang , Usman Naseem , Matloob Khushi

Stock trend forecasting, which forecasts stock prices' future trends, plays an essential role in investment. The stocks in a market can share information so that their stock prices are highly correlated. Several methods were recently…

Statistical Finance · Quantitative Finance 2022-01-21 Wentao Xu , Weiqing Liu , Lewen Wang , Yingce Xia , Jiang Bian , Jian Yin , Tie-Yan Liu