Social Market Analytics, Inc. (SMA) is the leader in social media predictive data analytics using forward looking Tweets. SMA provides a variety of metrics, however the Social Market Analytics Heat Map displays social media activity using two metrics: Sentiment and Volume. Sentiment and Volume are also known as S-Score and SV-Score, respectively. These metrics are expressed as the deviation from the normal tone of conversation on a standard normal scale of -4.5 to +4.5. Values of above +2.0 and below -2.0 indicates something abnormal is occurring on social media around that security.