A Case Study of Next Portfolio Prediction for Mutual Funds

• URL: http://arxiv.org/abs/2410.18098v1
• Date: Tue, 08 Oct 2024 12:49:00 GMT
• Title: A Case Study of Next Portfolio Prediction for Mutual Funds
• Authors: Guilherme Thomaz, Denis Maua,
• Abstract summary: This work frames mutual fund portfolio prediction as a Next Novel Basket Recommendation (NNBR) task. We create a benchmark dataset using publicly available data and evaluate the performance of various recommender system models on the NNBR task.
• Score: 0.0
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• Abstract: Mutual funds aim to generate returns above market averages. While predicting their future portfolio allocations can bring economic advantages, the task remains challenging and largely unexplored. To fill that gap, this work frames mutual fund portfolio prediction as a Next Novel Basket Recommendation (NNBR) task, focusing on predicting novel items in a fund's next portfolio. We create a comprehensive benchmark dataset using publicly available data and evaluate the performance of various recommender system models on the NNBR task. Our findings reveal that predicting novel items in mutual fund portfolios is inherently more challenging than predicting the entire portfolio or only repeated items. While state-of-the-art NBR models are outperformed by simple heuristics when considering both novel and repeated items together, autoencoder-based approaches demonstrate superior performance in predicting only new items. The insights gained from this study highlight the importance of considering domain-specific characteristics when applying recommender systems to mutual fund portfolio prediction. The performance gap between predicting the entire portfolio or repeated items and predicting novel items underscores the complexity of the NNBR task in this domain and the need for continued research to develop more robust and adaptable models for this critical financial application.

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