We've just added "Correlation Coefficient" to the list of indicators that are available on StockCharts.com.  Correlation Coefficient is a number between +1.0 and -1.0 that indicates how well two different ticker symbols move together. A correlation coefficient of +1.0 means that the two ticker symbols move in exactly the same way - they both go up together and they both go down together.  A correlation coefficient of -1.0 means that they move in exact opposite ways - when one goes up, the other goes down and vice versa. A correlation coefficient of 0.0 means that the Read More