The KDJ indicator is a form of the Stochastic. The difference is an extra line called the %J line. The %J line is the divergence of the %D value from the %K. The value of %J can go beyond 0 or 100 for %K and %D lines on the chart. It is very useful for short-term stock market trend analysis. Calculations of KDJ indicator is very complex.Check it at http://mianniu.com/category/stock-investor-learning-resources
