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Designing robust and accurate predictive models for stock price prediction has been an active area of research for a long time. While on one side, the supporters of the efficient market hypothesis claim that it is impossible to forecast…

Computational Finance · Quantitative Finance 2021-08-31 Sidra Mehtab , Jaydip Sen

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

Recently, the incorporation of both temporal features and the correlation across time series has become an effective approach in time series prediction. Spatio-Temporal Graph Neural Networks (STGNNs) demonstrate good performance on many…

Machine Learning · Computer Science 2024-07-29 Wenbo Yan , Ying Tan

Financial market forecasting is inherently uncertain, yet most deep learning approaches rely on point predictions that provide only single-value estimates without quantifying uncertainty. Such predictions are insufficient for risk-aware…

In recent years, graph neural networks (GNNs) have gained increasing attention, as they possess the excellent capability of processing graph-related problems. In practice, hyperparameter optimisation (HPO) is critical for GNNs to achieve…

Machine Learning · Computer Science 2021-04-29 Yingfang Yuan , Wenjun Wang , Wei Pang

The conventional deep learning approaches for solving time-series problem such as long-short term memory (LSTM) and gated recurrent unit (GRU) both consider the time-series data sequence as the input with one single unit as the output…

Signal Processing · Electrical Eng. & Systems 2020-07-01 Xiaoming Li , Chun Wang , Xiao Huang , Yimin Nie

The primary objective of this work is to develop a Neural Network based on LSTM to predict stock market movements using tweets. Word embeddings, used in the LSTM network, are initialised using Stanford's GloVe embeddings, pretrained…

Artificial Intelligence · Computer Science 2021-01-25 Kavyashree Ranawat , Stefano Giani

The prediction of stock and foreign exchange (Forex) had always been a hot and profitable area of study. Deep learning application had proven to yields better accuracy and return in the field of financial prediction and forecasting. In this…

Statistical Finance · Quantitative Finance 2021-03-18 Zexin Hu , Yiqi Zhao , Matloob Khushi

Recurrent Neural Networks (RNNs) with sophisticated units that implement a gating mechanism have emerged as powerful technique for modeling sequential signals such as speech or electroencephalography (EEG). The latter is the focus on this…

Signal Processing · Electrical Eng. & Systems 2018-01-09 Meysam Golmohammadi , Saeedeh Ziyabari , Vinit Shah , Eva Von Weltin , Christopher Campbell , Iyad Obeid , Joseph Picone

Financial forecasting using news articles is an emerging field. In this paper, we proposed hybrid intelligent models for stock market prediction using the psycholinguistic variables (LIWC and TAALES) extracted from news articles as…

Statistical Finance · Quantitative Finance 2019-11-15 B. Shravan Kumar , Vadlamani Ravi , Rishabh Miglani

Recurrent neural networks (RNNs), particularly LSTMs, are effective for time-series tasks like sentiment analysis and short-term stock prediction. However, their computational complexity poses challenges for real-time deployment in resource…

Machine Learning · Computer Science 2025-06-27 Shashwat Khandelwal , Jakoba Petri-Koenig , Thomas B. Preußer , Michaela Blott , Shreejith Shanker

Stock price forecasting is a highly complex and vitally important field of research. Recent advancements in deep neural network technology allow researchers to develop highly accurate models to predict financial trends. We propose a novel…

Computational Finance · Quantitative Finance 2021-02-03 Pratyush Muthukumar , Jie Zhong

The fundamental theorem behind financial markets is that stock prices are intrinsically complex and stochastic. One of the complexities is the volatility associated with stock prices. Volatility is a tendency for prices to change…

Statistical Finance · Quantitative Finance 2023-11-21 Leonard Mushunje , Maxwell Mashasha , Edina Chandiwana

Forecasting stock market prices remains a complex challenge for traders, analysts, and engineers due to the multitude of factors that influence price movements. Recent advancements in artificial intelligence (AI) and natural language…

Statistical Finance · Quantitative Finance 2024-11-12 Kaushal Attaluri , Mukesh Tripathi , Srinithi Reddy , Shivendra

Plain recurrent networks greatly suffer from the vanishing gradient problem while Gated Neural Networks (GNNs) such as Long-short Term Memory (LSTM) and Gated Recurrent Unit (GRU) deliver promising results in many sequence learning tasks…

Neural and Evolutionary Computing · Computer Science 2019-07-08 Yuhuang Hu , Adrian Huber , Jithendar Anumula , Shih-Chii Liu

This paper investigates an important problem of an appropriate variance-covariance matrix estimation in the Modern Portfolio Theory. We propose a novel framework for variancecovariance matrix estimation for purposes of the portfolio…

Portfolio Management · Quantitative Finance 2025-08-22 Maciej Wysocki , Paweł Sakowski

Due to the extremely volatile nature of financial markets, it is commonly accepted that stock price prediction is a task full of challenge. However in order to make profits or understand the essence of equity market, numerous market…

Statistical Finance · Quantitative Finance 2018-05-30 Yue-Gang Song , Yu-Long Zhou , Ren-Jie Han

We explore various neural network architectures for modeling the dynamics of the cryptocurrency market. Traditional linear models often fall short in accurately capturing the unique and complex dynamics of this market. In contrast, Deep…

Machine Learning · Computer Science 2024-07-23 Hugo Inzirillo

Graph processes model a number of important problems such as identifying the epicenter of an earthquake or predicting weather. In this paper, we propose a Graph Convolutional Recurrent Neural Network (GCRNN) architecture specifically…

Machine Learning · Computer Science 2019-06-28 Luana Ruiz , Fernando Gama , Alejandro Ribeiro

Accurate load forecasting remains a formidable challenge in numerous sectors, given the intricate dynamics of dynamic power systems, which often defy conventional statistical models. As a response, time-series methodologies like ARIMA and…

Computational Engineering, Finance, and Science · Computer Science 2023-09-25 Anuvab Sen , Vedica Gupta , Chi Tang
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