Political Criteria

It is difficult to exactly identify the bias of a news source as there is no comparable observed metric of left versus right leaning. In the absence of such a metric, we use the published methodology of Matthew Gentzkow and Jesse Shapiro’s in Econometrica (2010), a top economics journal (henceforth Gentzkow et al) to identify the leaning of a news source.

Financial Criteria

Nobias processes thousands of articles every day and uses machine learning to surface whether an article is bullish or bearish. We also zoom out and give you context–the overall market sentiment on a particular stock.