Derwent Capital Markets brings you a great infographic here with some great statistical information on the topic of spread betting and twitter sentiment. The infographic shows the correlation between historic stock data and the sentiment analysis of social networks. Proving the correlation between the two gives a good indication for people who wish to take part in spread betting and give them more confidence about certain decisions. They can see that there is a definite correlation between that of sentiment analysis and real life statistics.
Source: Derwent Capital Markets
Click to enlarge infographic