Using Google Cloud Spanner to measure social media influence over stock market
I wanted to use the now generally available Cloud Spanner database to write an app that would track stock prices and social media sentiment to identify potential correlation. To test even the validity of this approach I put together a Go app that subscribes to Twitter stream for all companies defined in the Stocks table and scores each event against the Google NLP API while comparing the user sentiment against the stock ask price against Yahoo API. ...