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Our work focuses on deep learning (DL) portfolio optimization, tackling challenges in long-only, multi-asset strategies across market cycles. We propose training models with limited regime data using pre-training techniques and leveraging…

Portfolio Management · Quantitative Finance 2026-01-14 Brandon Luo , Jim Skufca

Meta-reinforcement learning (meta-RL) is a promising framework for tackling challenging domains requiring efficient exploration. Existing meta-RL algorithms are characterized by low sample efficiency, and mostly focus on low-dimensional…

Machine Learning · Computer Science 2024-03-18 Zohar Rimon , Tom Jurgenson , Orr Krupnik , Gilad Adler , Aviv Tamar

The rapid advancement of Large Language Models (LLMs) has spurred discussions about their potential to enhance quantitative trading strategies. LLMs excel in analyzing sentiments about listed companies from financial news, providing…

Computation and Language · Computer Science 2024-05-07 Haohan Zhang , Fengrui Hua , Chengjin Xu , Hao Kong , Ruiting Zuo , Jian Guo

Companies across all economic sectors continue to deploy large language models at a rapid pace. Reinforcement learning is experiencing a resurgence of interest due to its association with the fine-tuning of language models from human…

Machine Learning · Computer Science 2025-02-25 David Byrd

Large Language Models (LLMs) are rapidly transitioning from static Natural Language Processing (NLP) tasks including sentiment analysis and event extraction to acting as dynamic decision-making agents in complex financial environments.…

Machine Learning · Computer Science 2026-03-25 Liyuan Chen , Shilong Li , Jiangpeng Yan , Shuoling Liu , Qiang Yang , Xiu Li

While Large Language Model (LLM) agents show promise in automated trading, they still face critical limitations. Prominent multi-agent frameworks often suffer from inefficiency, produce inconsistent signals, and lack the end-to-end…

Computational Engineering, Finance, and Science · Computer Science 2026-04-21 Zheye Deng , Weixiang Yan , Changlong Yu , Jiashu Wang

Financial metrics like the Sharpe ratio are pivotal in evaluating investment performance by balancing risk and return. However, traditional metrics often struggle with robustness and generalization, particularly in dynamic and volatile…

Portfolio Management · Quantitative Finance 2025-02-05 Kamer Ali Yuksel , Hassan Sawaf

A linear multi-factor model is one of the most important tools in equity portfolio management. The linear multi-factor models are widely used because they can be easily interpreted. However, financial markets are not linear and their…

Machine Learning · Computer Science 2019-02-01 Kei Nakagawa , Tomoki Ito , Masaya Abe , Kiyoshi Izumi

Algorithmic trading requires short-term tactical decisions consistent with long-term financial objectives. Reinforcement Learning (RL) has been applied to such problems, but adoption is limited by myopic behaviour and opaque policies. Large…

Machine Learning · Computer Science 2025-10-28 Adam Darmanin , Vince Vella

This paper introduces a novel methodology for index return forecasting, blending highly correlated stock prices, advanced deep learning techniques, and intricate factor integration. Departing from conventional cap-weighted approaches, our…

General Finance · Quantitative Finance 2024-05-06 Tian Tian , Ricky Cooper , Jiahao Deng , Qingquan Zhang

Stock price prediction has always been a difficult task for forecasters. Using cutting-edge deep learning techniques, stock price prediction based on investor sentiment extracted from online forums has become feasible. We propose a novel…

Machine Learning · Computer Science 2026-01-21 Huiyu Li , Junhua Hu

Large Language Models (LLMs) have recently gained popularity in stock trading for their ability to process multimodal financial data. However, most existing methods focus on single-stock trading and lack the capacity to reason over multiple…

Portfolio Management · Quantitative Finance 2025-10-21 Kefan Chen , Hussain Ahmad , Diksha Goel , Claudia Szabo

Large language model (LLM) is an effective approach to addressing data scarcity in low-resource scenarios. Recent existing research designs hand-crafted prompts to guide LLM for data augmentation. We introduce a data augmentation strategy…

Computation and Language · Computer Science 2025-06-10 Yaping Chai , Haoran Xie , Joe S. Qin

Cryptocurrency investment is inherently difficult due to its shorter history compared to traditional assets, the need to integrate vast amounts of data from various modalities, and the requirement for complex reasoning. While deep learning…

Trading and Market Microstructure · Quantitative Finance 2025-01-08 Yichen Luo , Yebo Feng , Jiahua Xu , Paolo Tasca , Yang Liu

This study presents a Reinforcement Learning (RL)-based portfolio management model tailored for high-risk environments, addressing the limitations of traditional RL models and exploiting market opportunities through two-sided transactions…

Portfolio Management · Quantitative Finance 2024-08-13 Ali Habibnia , Mahdi Soltanzadeh

Large language model (LLM)-based agents have emerged as powerful autonomous controllers for digital environments, including mobile interfaces, operating systems, and web browsers. Web navigation, for example, requires handling dynamic…

Artificial Intelligence · Computer Science 2026-03-23 Taiyi Wang , Sian Gooding , Florian Hartmann , Oriana Riva , Edward Grefenstette

Large language models (LLMs) are deep learning algorithms being used to perform natural language processing tasks in various fields, from social sciences to finance and biomedical sciences. Developing and training a new LLM can be very…

General Finance · Quantitative Finance 2024-01-23 Valentina Aparicio , Daniel Gordon , Sebastian G. Huayamares , Yuhuai Luo

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

Computation and Language · Computer Science 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

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

Large Language Models (LLMs) demonstrate significant potential but face challenges in complex financial reasoning tasks requiring both domain knowledge and sophisticated reasoning. Current evaluation benchmarks often fall short by not…

Computation and Language · Computer Science 2025-11-07 Shaoyu Dou , Yutian Shen , Mofan Chen , Zixuan Wang , Jiajie Xu , Qi Guo , Kailai Shao , Chao Chen , Haixiang Hu , Haibo Shi , Min Min , Liwen Zhang