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[datagorillagirl]

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[amitchandak]

@datagorillagirl , Assume you have date, if not create date with help from Month Year

Date = Datevalue("01-"&[Fiscal Month])

Join with date table, you that in slicer and axis

Try a measure like, if Ending HC is a column at the month level

Rolling 12 =

Rolling 12 =

new measure =
var _max = maxx(allselected('Date'),'Date'[Date])
var _min = minx(allselected('Date'),'Date'[Date])

var _diff = datediff(_min, _max, Month) +2
return

CALCULATE(Average(Table[End HC]),DATESINPERIOD('Date'[Date],Eomonth(MAX('Date'[Date]),1),-1*_diff ,MONTH))

or

Rolling 12 =

new measure =
var _max = maxx(allselected('Date'),'Date'[Date])
var _min = minx(allselected('Date'),'Date'[Date])

var _diff = datediff(_min, _max, Month) +2
return

CALCULATE(AverageX(Values('Date'[Date]), calculate(Lastnonblankvalues('Date'[Date], Sum(Table[End HC])))),DATESINPERIOD('Date'[Date],Eomonth(MAX('Date'[Date]),1),-1*_diff ,MONTH))