Typically a chart tracks the change in price on the Y-axis access over a change in time on the X-axis. The representation of the charts can vary considerable, as open, high, low, close, volume, price derivative and innumerable other data points can be plotted for visual representation. The chart is the primary tool for technical analysts as practitioners look for patterns or abnormalities in historical price action in order to forecast a potential move in the future.

• technical analysis
• Japanese Candlestick Charting Explained