/*********************************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: Advance Decline Ratio Version: 1.0 07/06/2009 Formula Parameters: Default: Exchange NYSENotes:**********************************/var fpArray = new Array();var bInit = false;function preMain(){ setPriceStudy(false); setStudyTitle("Advance Decline Ratio"); setCursorLabelName("AdvDecRatio"); var x=0; fpArray[x] = new FunctionParameter("sExchange", FunctionParameter.STRING); with(fpArray[x++]){ setName("Exchange"); addOption("NYSE"); addOption("NASDAQ"); setDefault("NYSE"); }}var xAdvDecR = null;function main(sExchange){var nBarState = getBarState(); if (nBarState == BARSTATE_ALLBARS) { if (sExchange == null) sExchange = "NYSE"; } if(!bInit){ xAdvDecR = efsInternal("Calc_Ratio", sExchange); } return xAdvDecR.getValue(0);}var xAdvance = null;var xDecline = null;function Calc_Ratio(_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 && xDecline.getValue(0)) != 0) var Ratio = xAdvance.getValue(0) / xDecline.getValue(0); return Ratio;} |
