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Connecting resolution makers to a dynamic community of data, individuals and ideas, Bloomberg rapidly and accurately delivers enterprise and monetary info, information and perception all over the world. Access to structured information relating to the monetary market with its various devices and indicators is out there for several many years, however the systematic quantification of unstructured data hidden in news from diverse Web sources is of relatively current origin. Even in this case, we do not have to explicitly calculate similarity matrices (see Part 1 of the Supplementary Info ). Following the taxonomy of entities described in Section three of the Supplementary Information , we outline 4 semantic groups: firms, regions, financial devices and Euro crisis phrases.

Probably the most frequent entities are the ones that outline the geographic regions that correspond to the world’s leading financial markets: United States, China, Europe, United Kingdom, London, Japan and Germany. Casarin and Squazzoni 18 compute the Unhealthy Information Index as the weighted average of detrimental sentiment phrases in the headlines of three distinct news sources.

In our evaluation, a very powerful semantic parts of the NCI-monetary are mainly G-attributable to the implied volatility (VIX) and historic and daily volatilities. Zhang, W. & …

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