可解释的后期投资组合管理 深度强化学习代理的金融政策
Alejandra de-la-Rica-Escudero1,2, Eduardo C Garrido-Merchán2, María Coronado-Vaca2
1School of Engineering (ICAI), Universidad Pontificia Comillas, Madrid, Spain.
PloS one
|January 17, 2025
概括
本研究介绍了一种可解释的深度强化学习 (XDRL) 方法,用于金融投资组合管理,提高投资决策的透明度. 该方法将近距离政策优化与金融界可解释AI的特征重要性技术相结合.
科学领域:
- 量化金融 量化金融
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 现代投资组合理论模型在高波动性市场中由于未满足假设而失败.
- 深度强化学习 (DRL) 对投资组合管理有希望,但缺乏可解释性.
- 目前的DRL方法使用复杂的神经网络,掩盖决策过程.
研究的目的:
- 为金融投资组合管理 (PM) 开发一种可解释的深度强化学习 (XDRL) 方法.
- 提高DRL代理人在投资决策中的行动的透明度和可解释性.
- 为评估与DRL驱动的投资政策相关的行为和风险提供一种方法.
主要方法:
- 整合近接政策优化 (PPO) DRL算法与可解释的AI技术.
- 应用模型不可知论方法,包括特征重要性,SHAP和LIME用于可解释性.
- 开发一个新的XDRL框架,用于后期的金融政策解释.
主要成果:
- 成功证明了能够实时解释 DRL 代理行为的能力.
- 确定了影响投资决策的关键特征,验证了模型的解释能力.
- 在经验上说明了XDRL方法在提高预测透明度方面的有效性.
结论:
- 开发的XDRL方法为PM中的DRL代理提供了第一个可解释的后期财务政策.
- 这种方法可以根据投资政策要求和风险评估评估代理行为.
- XDRL提高了对人工智能驱动的财务决策的信任和问责制.
相关概念视频
Decision Making: P-value Method
5.3K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.3K
Reinforcement Schedules
130
Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
Once a behavior is learned,...
Once a behavior is learned,...
130
Associative Learning
286
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
286
Randomized Experiments
6.7K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Simple randomization
Simple...
6.7K
Decision Making: Traditional Method
4.0K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.0K
Woodward–Hoffmann Selection Rules and Microscopic Reversibility
3.0K
Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
3.0K


