Can central bankers’ talk predict bank stock returns? A machine learning approach

Apostolos G. Katsafados, George Leledakis, Nikolaos P. Panagiotou and Emmanouil G. Pyrgiotakis

MPRA Paper from University Library of Munich, Germany

Abstract: We combine machine learning algorithms (ML) with textual analysis techniques to forecast bank stock returns. Our textual features are derived from press releases of the Federal Open Market Committee (FOMC). We show that ML models produce more accurate out-of-sample predictions than OLS regressions, and that textual features can be more informative inputs than traditional financial variables. However, we achieve the highest predictive accuracy by training ML models on a combination of both financial variables and textual data. Importantly, portfolios constructed using the predictions of our best performing ML model consistently outperform their benchmarks. Our findings add to the scarce literature on bank return predictability and have important implications for investors.

Keywords: Bank stock prediction; Trading strategies; Machine learning; Press conferences; Natural language processing; Banks (search for similar items in EconPapers)
JEL-codes: C53 C88 G00 G11 G12 G14 G17 G21 (search for similar items in EconPapers)
Date: 2024-10
New Economics Papers: this item is included in nep-big, nep-cba, nep-cmp, nep-fdg, nep-fmk, nep-for and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:122899

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