//@Name:SQN Value //@Description:returns the latest value of the SQN indicator (average percentage change/std deviation) //Author:Richard Chiesa, ShareScript Support //Modified by:Paul Hall, ShareScope Support // Care has been taken in preparing this code but it is provided without guarantee. // You are welcome to modify and extend it. Please add your name as a modifier if you distribute it. var dataList = ["Daily","Weekly","Monthly"]; var dataList2 = ["Days","Weeks","Months"] var dataType =0; var period = 100; //var lineCol = Colour.RGB(255,190,0); //var lineStyle = Pen.Solid; //var lineWidth = 1; function init(status) { if (status == Loading || status == Editing) { period = storage.getAt(0); dataType = storage.getAt(1); } if (status == Adding || status == Editing) { var dlg = new Dialog("SQN indicator",160,60); dlg.addOkButton(); dlg.addCancelButton(); dlg.addDropList("VAL", 8,-1,-1,-1,dataList) dlg.addNumEdit("INT1",8,-1,-1,-1,"","Periods",period,2,1000); //dlg.addColLinePicker("LN1",8,-1,-1,-1,"","",lineCol,lineStyle,lineWidth); if (dlg.show()==Dialog.Cancel) return false; period = dlg.getValue("INT1"); dataType = dlg.getValue("VAL"); storage.setAt(0, period); storage.setAt(1, dataType); } setTitle("SQN value ("+period+" "+dataList2[dataType]+")"); } function getVal(share) { if (dataType == 0)var data = share.getPriceArray(period+2); if (dataType == 1)var data = share.getWeeklyBarArray(period+2); if (dataType == 2)var data = share.getMonthlyBarArray(period+2); if(data==undefined) return; var ma1 = new MA(period, 0); //type of MA var v1 = new Array(); var av1 = new Array(); var y1 = new Array(); var SQN = new Array(); for (var i=1;i