possible? { This study plots the basic ActivityBar, together with a value area zone based on standard deviations around the ActivityBar's mode price. } inputs: ApproxNumRows( 10 ), { approx number of rows in each activity bar } CycleColors( true ), { The CycleColors input determines whether the color of cells is varied from one cell group to the next. This input has effect only when this study is applied to chart in which Data1 is daily or minute bars and when the hidden ActivityData is in minute bars. In all other cases, CycleColors is ignored - the cells are drawn in the color specified by the DefaultColor input. } DefaultColor( DarkGreen ), ModeType( -1 ), { 1= highest mode, -1 = lowest mode - see inline documentation in function AB_Mode for more information on this input } ZoneNumDevs( 1 ) ; { number of std devs on each side of mode price to be included in the AB Zone } variables: CellGroupColor( 0 ), MinuteInterval( BarInterval of ActivityData ), CellGroupLabel( "" ), oModeCount( 0 ), oModePrice( 0 ), SDev( 0 ), ZoneHi( 0 ), ZoneLo( 0 ) ; AB_SetRowHeight( AB_RowHeightCalc( ApproxNumRows, 3 ) ) ; if CycleColors then CellGroupColor = AB_NextColor( MinuteInterval ) of ActivityData else CellGroupColor = DefaultColor ; if CellGroupColor = GetBackGroundColor then CellGroupColor = DefaultColor ; CellGroupLabel = AB_NextLabel( MinuteInterval ) of ActivityData ; Value1 = AB_AddCellRange( High of ActivityData, Low of ActivityData, RightSide, CellGroupLabel, CellGroupColor, 0 ) ; Value2 = AB_Mode( RightSide, ModeType, oModeCount, oModePrice ) ; SDev = AB_StdDev( ZoneNumDevs, RightSide ) ; ZoneHi = MinList( AB_High, oModePrice + SDev ) ; if ZoneHi = 0 then { ie, if oModePrice + SDev = 0 } ZoneHi = AB_High ; ZoneLo = MaxList( AB_Low, oModePrice - SDev ) ; { if oModePrice - SDev = 0 then ZoneLo = Low, so don't need a check here } AB_SetZone( ZoneHi, ZoneLo, RightSide ) ; { ** Copyright (c) 2007 TradeStation Technologies, Inc. All rights reserved. ** ** TradeStation reserves the right to modify or overwrite this analysis technique with each release. ** }