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The time proximity of trades across stocks reveals interesting topological structures of the equity market in the United States. In this article, we investigate how such concurrent cross-stock trading behaviors, which we denote as…

交易与市场微观结构 · 定量金融 2024-05-14 Yutong Lu , Gesine Reinert , Mihai Cucuringu

This work presents a Convolutional Neural Network (CNN) for the prediction of next-day stock fluctuations using company-specific news headlines. Experiments to evaluate model performance using various configurations of word-embeddings and…

计算与语言 · 计算机科学 2020-06-23 Jonathan Readshaw , Stefano Giani

Considering event structure information has proven helpful in text-based stock movement prediction. However, existing works mainly adopt the coarse-grained events, which loses the specific semantic information of diverse event types. In…

计算工程、金融与科学 · 计算机科学 2019-10-14 Deli Chen , Yanyan Zou , Keiko Harimoto , Ruihan Bao , Xuancheng Ren , Xu Sun

Given financial data from popular sites like Yahoo and the London Exchange, the presented paper attempts to model and predict stocks that can be considered "good investments". Stocks are characterized by 125 features ranging from gross…

计算工程、金融与科学 · 计算机科学 2015-03-10 Mike Wu

Modeling the behavior of stock price data has always been one of the challengeous applications of Artificial Intelligence (AI) and Machine Learning (ML) due to its high complexity and dependence on various conditions. Recent studies show…

应用统计 · 统计学 2025-01-14 Xinyuan Song

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…

机器学习 · 计算机科学 2026-05-18 Mohammad Al Ridhawi , Mahtab Haj Ali , Hussein Al Osman

We investigate the general problem of how to model the kinematics of stock prices without considering the dynamical causes of motion. We propose a stochastic process with long-range correlated absolute returns. We find that the model is…

无序系统与神经网络 · 物理学 2008-12-02 M. Serva , U. L. Fulco , M. L. Lyra , G. M. Viswanathan

In this study, a novel Distributed Representation of News (DRNews) model is developed and applied in deep learning-based stock market predictions. With the merit of integrating contextual information and cross-documental knowledge, the…

计算与语言 · 计算机科学 2022-05-17 Ye Ma , Lu Zong , Peiwan Wang

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…

机器学习 · 计算机科学 2023-03-28 Andrei Zaichenko , Aleksei Kazakov , Elizaveta Kovtun , Semen Budennyy

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…

社会与信息网络 · 计算机科学 2017-09-20 Fani Tsapeli , Nikolaos Bezirgiannidis , Peter Tino , Mirco Musolesi

Navigating the intricate landscape of financial markets requires adept forecasting of stock price movements. This paper delves into the potential of Long Short-Term Memory (LSTM) networks for predicting stock dynamics, with a focus on…

交易与市场微观结构 · 定量金融 2024-03-29 Nisarg Patel , Harmit Shah , Kishan Mewada

Text-based financial networks are increasingly used to study cross-stock return predictability. A common approach constructs links from similarities in firms' disclosure embeddings, but such networks often contain spurious edges because…

投资组合管理 · 定量金融 2026-04-28 Yikuan Huang , Zheqi Fan , Kaiqi Hu , Yifan Ye

Regarding the intraday sequence of high frequency returns of the S&P index as daily realizations of a given stochastic process, we first demonstrate that the scaling properties of the aggregated return distribution can be employed to define…

交易与市场微观结构 · 定量金融 2013-07-16 Fulvio Baldovin , Francesco Camana , Massimiliano Caporin , Michele Caraglio , Attilio L. Stella

We applied Deep Q-Network with a Convolutional Neural Network function approximator, which takes stock chart images as input, for making global stock market predictions. Our model not only yields profit in the stock market of the country…

综合金融 · 定量金融 2019-11-27 Jinho Lee , Raehyun Kim , Yookyung Koh , Jaewoo Kang

This paper introduces a new statistical approach to partitioning text automatically into coherent segments. Our approach enlists both short-range and long-range language models to help it sniff out likely sites of topic changes in text. To…

cmp-lg · 计算机科学 2008-02-03 Doug Beeferman , Adam Berger , John Lafferty

We find a novel correlation structure in the residual noise of stock market returns that is remarkably linked to the composition and stability of the top few significant factors driving the returns, and moreover indicates that the noise…

风险管理 · 定量金融 2009-12-15 Ivailo I. Dimov , Petter N. Kolm , Lee Maclin , Dan Y. C. Shiber

In the realm of financial decision-making, predicting stock prices is pivotal. Artificial intelligence techniques such as long short-term memory networks (LSTMs), support-vector machines (SVMs), and natural language processing (NLP) models…

机器学习 · 计算机科学 2024-01-04 Kevin Taylor , Jerry Ng

We employ both random forests and LSTM networks (more precisely CuDNNLSTM) as training methodologies to analyze their effectiveness in forecasting out-of-sample directional movements of constituent stocks of the S&P 500 from January 1993…

机器学习 · 计算机科学 2021-07-02 Pushpendu Ghosh , Ariel Neufeld , Jajati Keshari Sahoo

We propose a prediction model based on the minority game in which traders continuously evaluate a complete set of trading strategies with different memory lengths using the strategies' past performance. Based on the chosen trading strategy…

投资组合管理 · 定量金融 2009-01-06 Andreas Krause

Prediction of stock prices has been an important area of research for a long time. While supporters of the efficient market hypothesis believe that it is impossible to predict stock prices accurately, there are formal propositions…

统计金融 · 定量金融 2021-08-31 Sidra Mehtab , Jaydip Sen , Abhishek Dutta