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In this paper, we study time-varying graphical models based on data measured over a temporal grid. Such models are motivated by the needs to describe and understand evolving interacting relationships among a set of random variables in many…

机器学习 · 统计学 2018-04-12 Jilei Yang , Jie Peng

Predicting a fast and accurate model for stock price forecasting is been a challenging task and this is an active area of research where it is yet to be found which is the best way to forecast the stock price. Machine learning, deep…

统计金融 · 定量金融 2024-02-13 Himanshu Gupta , Aditya Jaiswal

Modeling large-scale time series has gained significant attention in recent years. However, its direct application in finance remains challenging due to substantial differences in data characteristics across domains. Specifically, financial…

人工智能 · 计算机科学 2025-10-22 Yuanjian Xu , Anxian Liu , Jianing Hao , Zhenzhuo Li , Shichang Meng , Guang Zhang

Accurately predicting stock repurchases is crucial for quantitative investment and risk management, yet traditional static models fail to capture the complex temporal dependencies of corporate financial conditions. This paper proposes a…

统计金融 · 定量金融 2026-04-14 Xiang Ao , Jingxuan Zhang , Xinyu Zhao

Financial time series often exhibit low signal-to-noise ratio, posing significant challenges for accurate data interpretation and prediction and ultimately decision making. Generative models have gained attention as powerful tools for…

机器学习 · 计算机科学 2024-09-05 Zhuohan Wang , Carmine Ventre

Training deep learning models that generalize well to live deployment is a challenging problem in the financial markets. The challenge arises because of high dimensionality, limited observations, changing data distributions, and a low…

统计金融 · 定量金融 2019-12-20 Brandon Da Silva , Sylvie Shang Shi

Time series data, defined by equally spaced points over time, is essential in fields like medicine, telecommunications, and energy. Analyzing it involves tasks such as classification, clustering, prototyping, and regression. Classification…

机器学习 · 计算机科学 2025-02-27 Ali Ismail-Fawaz

Financial markets have a vital role in the development of modern society. They allow the deployment of economic resources. Changes in stock prices reflect changes in the market. In this study, we focus on predicting stock prices by deep…

机器学习 · 计算机科学 2019-09-27 Jialin Liu , Fei Chao , Yu-Chen Lin , Chih-Min Lin

An increasing body of research focuses on using neural networks to model time series. A common assumption in training neural networks via maximum likelihood estimation on time series is that the errors across time steps are uncorrelated.…

机器学习 · 计算机科学 2021-10-12 Fan-Keng Sun , Christopher I. Lang , Duane S. Boning

Time series prediction can be generalized as a process that extracts useful information from historical records and then determines future values. Learning long-range dependencies that are embedded in time series is often an obstacle for…

神经与进化计算 · 计算机科学 2018-10-25 Yuxiu Hua , Zhifeng Zhao , Rongpeng Li , Xianfu Chen , Zhiming Liu , Honggang Zhang

Prediction of future movement of stock prices has always been a challenging task for the researchers. While the advocates of the efficient market hypothesis (EMH) believe that it is impossible to design any predictive framework that can…

统计金融 · 定量金融 2021-09-03 Sidra Mehtab , Jaydip Sen

Dynamic link prediction is an important problem considered in many recent works that propose approaches for learning temporal edge patterns. To assess their efficacy, models are evaluated on continuous-time and discrete-time temporal graph…

机器学习 · 计算机科学 2026-02-06 Moritz Lampert , Christopher Blöcker , Ingo Scholtes

Derivatives, as a critical class of financial instruments, isolate and trade the price attributes of risk assets such as stocks, commodities, and indices, aiding risk management and enhancing market efficiency. However, traditional hedging…

计算金融 · 定量金融 2025-03-07 Yiheng Ding , Gangnan Yuan , Dewei Zuo , Ting Gao

In this paper we survey the most recent advances in supervised machine learning and high-dimensional models for time series forecasting. We consider both linear and nonlinear alternatives. Among the linear methods we pay special attention…

计量经济学 · 经济学 2021-04-12 Ricardo P. Masini , Marcelo C. Medeiros , Eduardo F. Mendes

Time series forecasting is crucial for decision-making across various domains, particularly in financial markets where stock prices exhibit complex and non-linear behaviors. Accurately predicting future price movements is challenging due to…

综合经济学 · 经济学 2025-04-29 Tiantian Tu

In this study, we explore the synergy of deep learning and financial market applications, focusing on pair trading. This market-neutral strategy is integral to quantitative finance and is apt for advanced deep-learning techniques. A pivotal…

机器学习 · 计算机科学 2024-02-07 Junwei Su , Shan Wu , Jinhui Li

Time series forecasting is important across various domains for decision-making. In particular, financial time series such as stock prices can be hard to predict as it is difficult to model short-term and long-term temporal dependencies…

机器学习 · 计算机科学 2023-04-12 Zhen Zeng , Rachneet Kaur , Suchetha Siddagangappa , Saba Rahimi , Tucker Balch , Manuela Veloso

The stock market is a crucial component of the financial system, but predicting the movement of stock prices is challenging due to the dynamic and intricate relations arising from various aspects such as economic indicators, financial…

统计金融 · 定量金融 2024-02-13 Hao Qian , Hongting Zhou , Qian Zhao , Hao Chen , Hongxiang Yao , Jingwei Wang , Ziqi Liu , Fei Yu , Zhiqiang Zhang , Jun Zhou

Deep learning has been actively applied to time series forecasting, leading to a deluge of new methods, belonging to the class of historical-value models. Yet, despite the attractive properties of time-index models, such as being able to…

机器学习 · 计算机科学 2023-10-18 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

The stock market is a fundamental component of financial systems, reflecting economic health, providing investment opportunities, and influencing global dynamics. Accurate stock market predictions can lead to significant gains and promote…

机器学习 · 计算机科学 2024-08-23 Gonzalo Lopez Gil , Paul Duhamel-Sebline , Andrew McCarren