The charts are clearly showing that sentiment is a lead indicator. This could be useful in making decisions on when to buy / sell hold stocks in your portfolio.
Ticker Price vs 30D Sentiment
In this chart we can see that for Apple Inc the sentiment ( green line ) starts dropping on 12/15/2017 and is followed by a 3% price drop on 12/27/2017.
In this chart we can see that for Intel the sentiment ( green line ) starts rising on 12/12/2017 and is followed by a 7% price rise on 12/20/2017