Markets are influenced in important ways by earnings conference calls. For many years, investors have been guiding their decisions based on information derived from what words an executive is saying. While we know from decades of research and also from personal experience that the tone of the voice, i.e., how words are being spoken, holds important and independent information, quantitative information about voice tone has not been widely available and thus not been systematically incorporated in decision-making. offers the first widely available data product that systematically assesses the tone of the voice of an executive during earnings conference calls to produce novel and meaningful sources of quantitative information. 


Helios is a research and data science organization with the mission to further the frontiers of speech analytics. Helios takes natural language processing a step further by detecting subtle cues in executive communication invisible to the human ear.

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