Advance-DeclineDataFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchTheAdvance-DeclinedataalsoknownasADdataarecalculatedtoshowthenumberofadvancinganddecliningstocksandtradedvolumeassociatedwiththesestockswithinamarketindex,stockmarketexchangeoranybasketofstockswithpurposeofanalysisofthesentimentwithintheanalysedgroupofstocks.Advance-Declinedataareusedtomeasureoverallmarketbreadthaswellastomeasuresentimentwithinthestockmarketsectors.FirsttimeAdvance-Declinedatawerecalculatedandanalyzedbackin1926byColonelLeonardAyres,aneconomistandmarketanalystattheClevelandTrustCompany.LaterJamesHughespioneeredthe"MarketBreadthStatistics".In1931Barron'sstartedtopublishAdvance-Declinenumbers.Advance-Declinedataanalysisremainedinshadowuntiltheearly1960swhenRichardRussell(DowTheory)startedtousetheminhis"DowTheoryLetters"andJosephGranvilleusedtheminhis"GranvilleMarketLetter".[1]Contents1AdvancingandDecliningstocks.2Advance-DeclineVolume3BreadthIndicators3.1Advance-declineline3.2Advance-DeclineOscillator3.3Advance/DeclineRatio3.4Advance-DeclinePercentageOscillator3.5AbsoluteBreadthIndex3.6BreadthThrust3.7TRINArmsIndex(seeTRIN(finance))3.8McClellanoscillator3.9McClellanSummationIndex4ReferencesAdvancingandDecliningstocks.[edit]Stockconsideredasadvancingstockwhenitistradedabovetheprevioustradingsession'scloseprice.Stockisconsideredasdecliningstockwhenitistradedbelowtheprevioustradingsession'scloseprice.[2]Advance-DeclineVolume[edit]AdvanceVolumereferstothecumulativetotalnumberofsharestradedforallstocksfromthegroupoftheAdvancingstockswithinagiventimeframe.DeclineVolumereferstothetotalcumulativenumberofsharestradedforallstocksfromthegroupoftheDecliningstockswithinagiventimeframe.[3]L.M.Lowry,founderofLowryResearchCorporationhasbeencreditedwithcreatingtheconceptofAdvancingandDecliningVolumein1938.[4]BreadthIndicators[edit]BreadthindicatorsrepresentthegroupoftechnicalindicatorsthatarebasedontheAdvance-Declinedata.Advance-declineline[edit]A-DLine=[AdvancingStocks]–[DecliningStocks]+[