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Forecasting financial markets with semantic network analysis in the COVID-19 crisis

A. Fronzetti Colladon, S. Grassi, Francesco Ravazzolo and Francesco Violante ()

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Abstract: This paper uses a new textual data index for predicting stock market data. The index is applied to a large set of news to evaluate the importance of one or more general economic-related keywords appearing in the text. The index assesses the importance of the economic-related keywords, based on their frequency of use and semantic network position. We apply it to the Italian press and construct indices to predict Italian stock and bond market returns and volatilities in a recent sample period, including the COVID-19 crisis. The evidence shows that the index captures the different phases of financial time series well. Moreover, results indicate strong evidence of predictability for bond market data, both returns and volatilities, short and long maturities, and stock market volatility.

Date: 2020-09, Revised 2023-07
New Economics Papers: this item is included in nep-big, nep-fmk, nep-for and nep-rmg
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Published in Journal of Forecasting 42(5), 1187-1204 (2023)

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