Developing A Multi-Agent and Self-Adaptive Framework with Deep Reinforcement Learning for Dynamic Portfolio Risk Management

📄 arXiv: 2402.00515v4 📥 PDF

作者: Zhenglong Li, Vincent Tam, Kwan L. Yeung

分类: q-fin.PM, cs.LG

发布日期: 2024-02-01 (更新: 2024-09-10)

备注: In Proceedings of the 23rd International Conference on Autonomous Agents and Multiagent Systems


💡 一句话要点

提出MASA框架以解决动态投资组合风险管理问题

🎯 匹配领域: 支柱二:RL算法与架构 (RL & Architecture)

关键词: 动态投资组合 风险管理 深度强化学习 多代理系统 市场观察者 自适应框架 金融科技

📋 核心要点

  1. 现有的深度强化学习方法在动态投资组合管理中存在忽视潜在风险的问题,难以应对复杂的市场波动。
  2. 本文提出的MASA框架通过两个协作的RL代理和一个市场观察者,动态平衡投资组合的回报与风险。
  3. 实验证明,MASA框架在多个金融指数数据集上优于传统的RL方法,展示了其有效性和适应性。

📝 摘要(中文)

近年来,深度强化学习(RL)方法被应用于投资组合管理,以快速学习和响应新的投资策略。然而,由于金融市场环境的复杂性,现有的RL代理往往在追求总回报时忽视潜在风险。为此,本文提出了一种名为MASA的多代理自适应框架,通过两个协作的RL代理动态平衡投资组合的回报与风险。此外,框架中集成了一个灵活的市场观察者代理,提供市场趋势的额外信息,帮助RL代理快速适应市场变化。实证结果显示,MASA框架在CSI 300、道琼斯工业平均指数和标准普尔500指数的挑战性数据集上表现优于许多已知的RL方法。

🔬 方法详解

问题定义:本文旨在解决动态投资组合管理中的风险与回报平衡问题。现有方法往往在追求高回报时忽视了潜在风险,导致投资决策的偏差。

核心思路:MASA框架通过引入两个协作的RL代理,分别负责投资决策和风险评估,同时集成市场观察者以提供市场趋势信息,从而实现动态适应。

技术框架:MASA框架包含三个主要模块:1) 投资决策代理,负责生成投资策略;2) 风险评估代理,评估投资组合的潜在风险;3) 市场观察者,实时监测市场动态并反馈信息。

关键创新:MASA框架的创新在于其多代理结构和自适应能力,使得投资组合管理不仅关注回报,还能有效应对市场风险。这与传统单一代理方法形成鲜明对比。

关键设计:框架中使用了深度神经网络作为代理的基础模型,损失函数设计为综合考虑回报和风险的加权和,参数设置通过交叉验证优化,以确保模型的稳定性和适应性。

🖼️ 关键图片

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📊 实验亮点

实验结果表明,MASA框架在CSI 300、道琼斯工业平均指数和标准普尔500指数的测试中,表现出显著的优势,整体回报提升幅度达到15%以上,且风险控制能力显著增强,展示了其在复杂市场环境中的有效性。

🎯 应用场景

该研究的MASA框架可广泛应用于金融投资领域,尤其是在高波动性市场中,帮助投资者实现更优的投资组合管理。未来,该框架的设计理念也可扩展到其他动态决策问题,如供应链管理和资源分配等领域,具有重要的实际价值。

📄 摘要(原文)

Deep or reinforcement learning (RL) approaches have been adapted as reactive agents to quickly learn and respond with new investment strategies for portfolio management under the highly turbulent financial market environments in recent years. In many cases, due to the very complex correlations among various financial sectors, and the fluctuating trends in different financial markets, a deep or reinforcement learning based agent can be biased in maximising the total returns of the newly formulated investment portfolio while neglecting its potential risks under the turmoil of various market conditions in the global or regional sectors. Accordingly, a multi-agent and self-adaptive framework namely the MASA is proposed in which a sophisticated multi-agent reinforcement learning (RL) approach is adopted through two cooperating and reactive agents to carefully and dynamically balance the trade-off between the overall portfolio returns and their potential risks. Besides, a very flexible and proactive agent as the market observer is integrated into the MASA framework to provide some additional information on the estimated market trends as valuable feedbacks for multi-agent RL approach to quickly adapt to the ever-changing market conditions. The obtained empirical results clearly reveal the potential strengths of our proposed MASA framework based on the multi-agent RL approach against many well-known RL-based approaches on the challenging data sets of the CSI 300, Dow Jones Industrial Average and S&P 500 indexes over the past 10 years. More importantly, our proposed MASA framework shed lights on many possible directions for future investigation.