a close lower than the open, while white, green or blue candles represent a close higher than the open price. Line chartConnects the closing price values with line segments. You can also choose to draw the line chart using open, high or low price. Open-high-low-close chartOHLC charts, also known as bar charts, plot the span between the high and low prices of a trading period as a vertical line segment at the trading time, and the open and close prices with horizontal tick marks on the range line, usually a tick to the left for the open price and a tick to the right for the closing price. Point and figure charta chart type employing numerical filters with only passing references to time, and which ignores time entirely in its construction. Overlays Overlays are generally superimposed over the main price chart. Bollinger bandsa range of price volatility Channela pair of parallel trend lines Ichimoku kinko hyoa moving average-based system that factors in time and the average point between a candle's high and low Moving averagean average over a window of time before and after a given time point that is repeated at each time point in the given chart. A moving average can be thought of as a kind of dynamic trend-line. Parabolic SARWilder's trailing stop based on prices tending to stay within a parabolic curve during a strong trend Pivot pointderived by calculating the numerical average of a particular currency's or stock's high, low and closing prices Resistancea price level that may act as a ceiling above price Supporta price level that may act as a floor below price Trend linea sloping line described by at least two peaks or two troughs Zig ZagThis chart overlay that shows filtered price movements that are greater than a given percentage. Breadth indicators These indicators are based on statistics derived from the broad market. Advance–decline linea popular indicator of market breadth. McClellan Oscillator – a popular closed-form indicator of breadth. McClellan Summation Index – a popular open-form indicator of breadth. Price-based indicators These indicators are generally shown below or above the main price chart. Average directional indexa widely used indicator of trend strength. Commodity channel indexidentifies cyclical trends. MACDmoving average convergence/divergence. Momentumthe rate of price change. Relative strength index (RSI)oscillator showing price strength. Relative Vigor Index (RVI)oscillator measures the conviction of a recent price action and the likelihood that it will continue.