Abstract
This study constructs a Fama-French five-factor model that considers the time-varying properties of the parameters and introduces a nonparametric method that estimates the factor loadings. We approach the topic from a micro perspective using high-frequency data to construct factors and models to evaluate the sensitivity of each factor on abnormal returns. The results show that the conditional alphas of portfolios are optimised, and the nonparametric model outperforms the traditional models. Our findings lead investors to consider the impact of parameter time-variation when using multi-factor stock selection models to construct asset portfolios.
| Original language | English |
|---|---|
| Journal | Studies in Nonlinear Dynamics & Econometrics |
| Volume | 30 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 11 Mar 2025 |
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