Media Attention vs. Sentiment as Drivers of Conditional Volatility Predictions: An Application to Brexit

Massimo Guidolin, Manuela Pedio

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Using data on international, on-line media coverage and tone of the Brexit referendum, we test whether it is media coverage or tone to provide the largest forecasting performance improvements in the prediction of the conditional variance of weekly FTSE 100 stock returns. We find that versions of standard symmetric and asymmetric Generalized Autoregressive Conditional Heteroskedasticity (GARCH) models augmented to include media coverage and especially media tone scores outperform traditional GARCH models both in- and out-of-sample.
Original languageEnglish
Article number101943
JournalFinance Research Letters
Early online date16 Feb 2021
DOIs
Publication statusE-pub ahead of print - 16 Feb 2021

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