/*********************************Provided By: eSignal (Copyright c eSignal), a division of Interactive Data Corporation. 2009. All rights reserved. This sample eSignal Formula Script (EFS) is for educational purposes only and may be modified and saved under a new file name. eSignal is not responsible for the functionality once modified. eSignal reserves the right to modify and overwrite this EFS file with each new release.Description: Breadth Thrust Version: 1.0 07/06/2009 Formula Parameters: Default: Exchange NYSE Length 10Notes:**********************************/var fpArray = new Array();var bInit = false;function preMain(){ setPriceStudy(false); setStudyTitle("Breadth Thrust"); setCursorLabelName("Thrust"); var x=0; fpArray[x] = new FunctionParameter("sExchange", FunctionParameter.STRING); with(fpArray[x++]){ setName("Exchange"); addOption("NYSE"); addOption("NASDAQ"); setDefault("NYSE"); } fpArray[x] = new FunctionParameter("Length", FunctionParameter.NUMBER); with(fpArray[x++]){ setLowerLimit(1); setDefault(10); }}var xBreadthThrust = null;function main(sExchange, Length){var nBarState = getBarState(); if (nBarState == BARSTATE_ALLBARS) { if (sExchange == null) sExchange = "NYSE"; if (Length == null) Length = 10; } if(!bInit){ xBreadthThrust = sma(Length, efsInternal("Calc_Thrust", sExchange)); } return xBreadthThrust.getValue(0);}var xAdvance = null;var xDecline = null;function Calc_Thrust(_exchange){ if(getBarState() == BARSTATE_ALLBARS){ if(_exchange == "NYSE"){ xAdvance = close(sym("$ADV")); xDecline = close(sym("$DECL")); }else if(_exchange == "NASDAQ"){ xAdvance = close(sym("$ADVQ")); xDecline = close(sym("$DECLQ")); } } if(xAdvance.getValue(0) == null || xDecline.getValue(0) == null) return; if((xAdvance.getValue(0) != 0 && xAdvance.getValue(0)+xDecline.getValue(0)) != 0) var Thrust = xAdvance.getValue(0) / (xAdvance.getValue(0)+xDecline.getValue(0)); return Thrust;} |
