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Formula alpha mining, which generates predictive signals from financial data, is critical for quantitative investment. Although various algorithmic approaches-such as genetic programming, reinforcement learning, and large language…

Artificial Intelligence · Computer Science 2025-08-20 Hongjun Ding , Binqi Chen , Jinsheng Huang , Taian Guo , Zhengyang Mao , Guoyi Shao , Lutong Zou , Luchen Liu , Ming Zhang

This paper develops an autonomous framework for systematic factor investing via agentic AI. Rather than relying on sequential manual prompts, our approach operationalizes the model as a self-directed engine that endogenously formulates…

Portfolio Management · Quantitative Finance 2026-04-07 Allen Yikuan Huang , Zheqi Fan

Alphas are pivotal in providing signals for quantitative trading. The industry highly values the discovery of formulaic alphas for their interpretability and ease of analysis, compared with the expressive yet overfitting-prone black-box…

Computational Finance · Quantitative Finance 2024-06-27 Feng Xu , Yan Yin , Xinyu Zhang , Tianyuan Liu , Shengyi Jiang , Zongzhang Zhang

Signal decay and regime shifts pose recurring challenges for data-driven investment strategies in non-stationary markets. Conventional time-series and machine learning approaches, which rely primarily on historical correlations, often…

Trading and Market Microstructure · Quantitative Finance 2025-12-30 Zuoyou Jiang , Li Zhao , Rui Sun , Ruohan Sun , Zhongjian Li , Jing Li , Daxin Jiang , Zuo Bai , Cheng Hua

In high-dimensional time-series analysis, it is essential to have a set of key factors (namely, the style factors) that explain the change of the observed variable. For example, volatility modeling in finance relies on a set of risk…

Machine Learning · Computer Science 2023-03-27 Dapeng Li , Feiyang Pan , Jia He , Zhiwei Xu , Dandan Tu , Guoliang Fan

Alphas are stock prediction models capturing trading signals in a stock market. A set of effective alphas can generate weakly correlated high returns to diversify the risk. Existing alphas can be categorized into two classes: Formulaic…

Artificial Intelligence · Computer Science 2021-04-02 Can Cui , Wei Wang , Meihui Zhang , Gang Chen , Zhaojing Luo , Beng Chin Ooi

Generating executable simulations from natural language specifications remains a challenging problem due to the limited reasoning capacity of large language models (LLMs) when confronted with large, interconnected codebases. This paper…

Artificial Intelligence · Computer Science 2026-03-24 Ali Shamsaddinlou , Morteza NourelahiAlamdari

With the growing adoption of large language model agents in persistent real-world roles, they naturally encounter continuous streams of tasks. A key limitation, however, is their failure to learn from the accumulated interaction history,…

Sparse portfolio optimization is a fundamental yet challenging problem in quantitative finance, since traditional approaches heavily relying on historical return statistics and static objectives can hardly adapt to dynamic market regimes.…

Portfolio Management · Quantitative Finance 2025-07-24 Haochen Luo , Yuan Zhang , Chen Liu

Reinforcement learning (RL) has successfully automated the complex process of mining formulaic alpha factors, for creating interpretable and profitable investment strategies. However, existing methods are hampered by the sparse rewards…

Machine Learning · Computer Science 2025-07-29 Junjie Zhao , Chengxi Zhang , Chenkai Wang , Peng Yang

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

Large language models (LLMs) have recently been adopted for recommendation by framing user preference modeling as a language generation problem. However, existing latent reasoning approaches typically represent user intent with a single…

Information Retrieval · Computer Science 2026-04-30 Tianqi Gao , Chengkai Huang , Zihan Wang , Cao Liu , Ke Zeng , Lina Yao

Table processing-including cleaning, transformation, augmentation, and matching-is a foundational yet error-prone stage in real-world data pipelines. While recent LLM-based approaches show promise for automating such tasks, they often…

Artificial Intelligence · Computer Science 2026-05-13 Wei Liu , Yang Gu , Xi Yan , Zihan Nan , Beicheng Xu , Keyao Ding , Bin Cui , Wentao Zhang

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

Market simulator tries to create high-quality synthetic financial data that mimics real-world market dynamics, which is crucial for model development and robust assessment. Despite continuous advancements in simulation methodologies, market…

Computational Engineering, Finance, and Science · Computer Science 2025-03-25 Bokai Cao , Xueyuan Lin , Yiyan Qi , Chengjin Xu , Cehao Yang , Jian Guo

At the core of Deep Research is knowledge mining, the task of extracting structured information from massive unstructured text in response to user instructions. Large language models (LLMs) excel at interpreting such instructions but are…

Artificial Intelligence · Computer Science 2025-10-16 Sipeng Zhang , Longfei Yun , Zilong Wang , Jingbo Shang , Letian Peng

In this paper, we propose a novel factored agent architecture designed to overcome the limitations of traditional single-agent systems in agentic AI. Our approach decomposes the agent into two specialized components: (1) a large language…

Artificial Intelligence · Computer Science 2025-04-03 Nicholas Roth , Christopher Hidey , Lucas Spangher , William F. Arnold , Chang Ye , Nick Masiewicki , Jinoo Baek , Peter Grabowski , Eugene Ie

Autonomous agents based on Large Language Models (LLMs) that devise plans and tackle real-world challenges have gained prominence.However, tailoring these agents for specialized domains like quantitative investment remains a formidable…

Artificial Intelligence · Computer Science 2024-02-07 Saizhuo Wang , Hang Yuan , Lionel M. Ni , Jian Guo

Recent advancements in Large Language Models (LLMs) have exhibited notable efficacy in question-answering (QA) tasks across diverse domains. Their prowess in integrating extensive web knowledge has fueled interest in developing LLM-based…

Computational Finance · Quantitative Finance 2023-12-05 Yangyang Yu , Haohang Li , Zhi Chen , Yuechen Jiang , Yang Li , Denghui Zhang , Rong Liu , Jordan W. Suchow , Khaldoun Khashanah

The use of machine learning for statistical modeling (and thus, generative modeling) has grown in popularity with the proliferation of time series models, text-to-image models, and especially large language models. Fundamentally, the goal…

Statistical Finance · Quantitative Finance 2024-08-06 Achintya Gopal