I have taken a slightly different tactic than you. I am trying to surface actionable trade ideas from the social media mentions. Can I predict a stocks price trend from social media discussion?
I think that takes two forms:
1. Real-time alerts to stocks that are moving outside their normal 'mention' bands. Most times social media discussion of a stock is following public news. For example, a company releases earnings and the social media discussion is about those earnings. In that case, the 'mentions' rate will always trail the actual news. But, in some cases, an increase in mention rate is preceding price changes that day -- I am detecting that in real-time (sometimes, so far).
2. Over a long time (months, years) a company's social media mention rate will go up or down. A long-term trend (either positive or negative) could say something about the long-term financial prospects of the company. That could be tradable.