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

Andrea Fronzetti Colladon, Stefano Grassi (), Francesco Ravazzolo and Francesco Violante ()
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Andrea Fronzetti Colladon: University of Perugia
Stefano Grassi: University of Rome Tor Vergata

No 2021-06, Working Papers from Center for Research in Economics and Statistics

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.

Pages: 16 pages
Date: 2021-03-03
New Economics Papers: this item is included in nep-big and nep-for
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