It's an open secret that today it's hard to find an alpha on the market if you only trade based on exchange rates only. Alternative data sources can provide a significant edge to a trader. For a long-term investor it pays off to model a company's unit economics and estimate total addressable market in order to forecast long-term value of investment. For an active day trader, it makes sense to follow the news, what people are saying today and what announcements are coming up tomorrow. And in crypto world, sometimes all it takes for a market to turn from bull into bear is for China to sneeze.
This is a companion discussion topic for the original entry at http://rados.io/trading-on-news/