肯特納通道（Keltner Channel）：肯特納通道是基於平均真實波幅原理而形成的指標，對價格波動反應靈敏，它可以取代布林線（Standard Deviation）或百分比通道(Percentage ...廣大圓滿周遍法界金剛空行母俱樂部財神結界,福星貴人到,天官賜福、地官護持﹍財寶從天而降、從地湧出﹍你們過的好嗎？안녕하십니까?Hello你好Ciao여보세요Bonjourこんにちは日誌相簿影音好友名片200912022139肯特纳通道KeltnerChannel?我ㄉ賺錢日記肯特纳通道KeltnerChannelTheKeltnerChannelisbasedontheAverageTrueRangeandissensitivetovolatility.Itmaybeusedinplaceofstandarddeviation(Bollinger)bandsorpercentageenvelopes.OverviewTheKeltnerChannelismadeupoftwobandsplottedaroundanExponentialMovingAverage(EMA),usuallythe20-dayEMA.Pricesbreakingthroughthebandsoftenproducebuyandsellsignals.TheindicatorwasoriginallydevelopedbyChesterKeltnerandlatermodifiedbyLindaRaschketouseanaveragetruerange(ATR)calculatedover10periods.InterpretationAswithallenvelopeorbandsystems,theprobabilityisthatpricewillremainwithintheenvelope.Whenpricebreaksthoughtheenvelope,itcanbetakenasasignaltoeitherbuyorsell.Whenpricescloseabovethetopband,thisoftenmeansabreakoutinupwardvolatilitytobefollowedbyhigherprices.Whenpricesclosebelowthebottomband,pricesareexpectedtomovelower.Inarisingmarketthemiddleline,or20periodEMA,shouldprovidesupport.Conversely,inafallingmarketittendstoprovideresistance.Aswithalltrendfollowingsystems,theKeltnerChannelworkswellinuptrendsordowntrends,butdoesn'tworkwellinasidewayschannel.Asatrendfollowingsystemitisnotmeanttocatchtopsorbottoms.Keltnerchannelsshouldbeusedincombinationwithotherindicators,suchasRSIorMACD,toprovideconfirmationofthestrengthofamarket.Anexitstrategyutilizingtrendlinesandotherindicatorscanbeparticularlyimportant,ascanbeseenfromtheexampleabove.Waitingforthepricetoclosebelowthelowerbandoftenerodesmuchofthepotentialprofitsfromagoodmove.ThecalculationforKeltnerChannel,basedonATR,isasfollows:ForthetoporPlusBand,theATRiscalculatedover10periods,doubledandaddedtoa20periodexponentialmovingaverageForthebottomorMinusBand,theATRiscalculatedover10periods,doublesandsubtractedfroma20periodexponentialmovingaverageSignalsWhenpricescloseabovetheplusband,itisasignalofstrengthandrisingpricesWhe