... landscapers, and the wealthy and the wanting. This breadth of market participants guarantees an element of unpredictability and excitement.Fundamental analysis If we were all totally logical ... prices.Bar charts A bar chart displays a security's open (if available), high, low, and closing prices. Bar charts are the most popular type of security chart.As illustrated in the bar chart ... eliminated by smoothing the ratio with a moving average.ExampleThe following chart shows the S&P 500 and a 15-day moving average of the A/ D Ratio.CalculationBollinger Bands are displayed as...