function Init() { indicator.name("Ma Delta"); indicator.description("Ma Delta"); indicator.requiredSource(core.Tick); indicator.type(core.Oscillator); indicator.parameters.addGroup("MA Calculation"); indicator.parameters.addInteger("N", "Periods ", "Periods BB", 10, 1, 10000); indicator.parameters.addString("Method", "MA Method", "Method" , "MVA"); indicator.parameters.addStringAlternative("Method", "MVA", "MVA" , "MVA"); indicator.parameters.addStringAlternative("Method", "EMA", "EMA" , "EMA"); indicator.parameters.addStringAlternative("Method", "LWMA", "LWMA" , "LWMA"); indicator.parameters.addStringAlternative("Method", "TMA", "TMA" , "TMA"); indicator.parameters.addStringAlternative("Method", "SMMA", "SMMA" , "SMMA"); indicator.parameters.addStringAlternative("Method", "KAMA", "KAMA" , "KAMA"); indicator.parameters.addStringAlternative("Method", "VIDYA", "VIDYA" , "VIDYA"); indicator.parameters.addStringAlternative("Method", "WMA", "WMA" , "WMA"); indicator.parameters.addGroup("Style"); indicator.parameters.addColor("SMA", " MA Color", "MA", core.rgb(0, 0, 255)); indicator.parameters.addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters.addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters.setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters.addGroup("OB/OS Levels"); indicator.parameters.addDouble("overbought", "Overbought/Oversold Level","", 0); indicator.parameters.addInteger("level_overboughtsold_width","Line width","", 1, 1, 5); indicator.parameters.addInteger("level_overboughtsold_style", "Line Style","", core.LINE_SOLID); indicator.parameters.addColor("level_overboughtsold_color", "Line Color","", core.rgb(128, 128, 128)); indicator.parameters.setFlag("level_overboughtsold_style", core.FLAG_LEVEL_STYLE); } var N; var Method; var first; var source = null; var DELTA, Filter; var MA; function Prepare() { N = instance.parameters.N; Method = instance.parameters.Method; Filter = instance.parameters.Filter; source = instance.source; var name = profile.id() + "(" + source.name() + ", " + N + ", " +Method+ ")"; instance.name(name); MA = core.indicators.create(Method, source, N); first = MA.DATA.first(); DELTA = instance.addStream("DELTA", core.Line, name, "DELTA", instance.parameters.SMA, first); DELTA.addLevel(0); DELTA.addLevel(instance.parameters.overbought, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); DELTA.addLevel(-instance.parameters.overbought, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); DELTA.setWidth(instance.parameters.width); DELTA.setStyle(instance.parameters.style); } function Update(period, mode) { if (period < first) { return; } MA.update(mode); DELTA [period] = (MA.DATA[period] - MA.DATA[period-1])/source.pipSize(); }