TradingTechnologiesHelpLibraryChartsHelpLibraryTradeAnalyticsChartsTechnicalIndicatorsTradeVolumeIndex(TVI)returnto:HelpLibrary>TradeHelpDescriptionChartOverviewChartTypesChartTradingTradingScheduleTechnicalIndicatorsDrawingToolsTaskAddinganinstrumenttoachartFormattingchartsUsingtechnicalindicatorsAddingacomparisonAddingaseriesEnteringordersonachartDisplayingfillsandworkingordersonachartModifyingworkingordersonachartCancelingordersonachartAddingacustomactionbuttontoachartVideosChartsintheTTPlatformChartTradingPriceDistributionChartsReferenceChartSettingsChartsTradeVolumeIndex(TVI)TheTradeVolumeIndex(TVI)leveragesintradaymarketdatatoshowwhetherasecurityisbeingaccumulated(purchased)ordistributed(sold).TheTradeVolumeIndexassumesthathigherpricesrepresentbuyorderswhilelowerpricesaresellorders.ConfigurationOptionsMinTickValue:Minimumpricemovementrequiredtoincludeinthecalculation.Field:Priceorcombinationofpricestouseasthebaseforaveragecalculations.Possiblevaluesinclude:OpenHighLowCloseAdjustedCloseHL/2\(\left(\frac{High+Low}{2}\right)\)HLC/3\(\left(\frac{High+Low+Close}{3}\right)\)HLCC/4\(\left(\frac{High+Low+Close+Close}{4}\right)\)OHLC/4\(\left(\frac{Open+High+Low+Close}{4}\right)\)ColorSelectors:Colorstouseforgraphelements.DisplayAxisLabel:WhethertodisplaythemostrecentvalueontheYaxis.Formula\[EMA1=EMA1_\text{n-1}+\left((\frac{2}{(n+1)})*(P_n-EMA1_\text{n-1})\right)\]\(EMA2=EMA2n-1+((2/(n+1))*(EMA1n-EMA2n-1)))\\[EMA2=EMA2_\text{n-1}+\left((\frac{2}{(n+1)})*(EMA1_n-EMA2_\text{n-1})\right)\]\(EMA3=EMA3n-1+((2/(n+1))*(EMA2n-EMA3n-1)))\\[EMA3=EMA3_\text{n-1}+\left((\frac{2}{(n+1)})*(EMA2_n-EMA3_\text{n-1})\right)\]TRIX=(EMA3n-EMA3n-1)/EMA3n-1)\\[TRIX=\frac{(EMA3_n-EMA3_\text{n-1})}{EMA3_\text{n-1}}\]where:Pn=thecurrentprice.EMA1n-1=theexponentialmovingaveragevalueofnperiodsbackEMA2n-1=theexponentialmovingaveragevalueofnperiodsbackEMA3n-1=theexponentialmovingaveragevalueofnperiodsbackPrevious:TimeSeriesForecast(TSF)Next:TrendIntensityIndex