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Stock portfolio selection based on risk appetite: Evidence from ChatGPT
Finance Research Letters ( IF 7.4 ) Pub Date : 2025-05-19 , DOI: 10.1016/j.frl.2025.107517
Constantin J. Schneider, Yahya Yilmaz

We analyze whether a large language model can generate investment portfolios with varying risk appetites and evaluate their performance against benchmarks. We prompt different ChatGPT models to create portfolios for different risk appetites of retail investors, focusing on U.S. and European equity markets. Our study reveals that higher-risk portfolios yield higher returns. GPT-4o outperforms in the U.S., while GPT-4 offers the highest returns in Europe. We further show that ChatGPT effectively adjusts portfolio risk and return metrics based on individual risk preferences. These findings suggest private investors can use ChatGPT to improve investment decisions, but careful model selection is vital.

中文翻译:

基于风险偏好的股票投资组合选择:来自 ChatGPT 的证据

我们分析了大型语言模型是否可以生成具有不同风险偏好的投资组合,并根据基准评估其表现。我们提示不同的 ChatGPT 模型为散户投资者的不同风险偏好创建投资组合,重点关注美国和欧洲股市。我们的研究表明,高风险投资组合产生的回报更高。GPT-4o 在美国表现出色,而 GPT-4 在欧洲提供最高的回报。我们进一步表明,ChatGPT 根据个人风险偏好有效地调整投资组合风险和回报指标。这些发现表明,私人投资者可以使用 ChatGPT 来改进投资决策,但仔细选择模型至关重要。
更新日期:2025-05-19
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