Stock reduction based on demand (2)

Hi,

I am not sure how your semantic model looks like, but I tried to create a sample pbix file like below.

Please check the below picture and the attached pbix file.

WINDOW function (DAX) - DAX | Microsoft Learn

Balance: = 
VAR _demandcumulate =
    CALCULATE (
        SUM ( Demand[Demand] ),
        WINDOW (
            1,
            ABS,
            0,
            REL,
            ALL ( Date_demand[Date Demand] ),
            ORDERBY ( Date_demand[Date Demand], ASC )
        )
    )
RETURN
    IF (
        HASONEVALUE ( Stock[ArticleCode] ) && HASONEVALUE ( Date_demand[Date Demand] ),
        MAXX ( Stock, Stock[Stock] ) - _demandcumulate
    )

Stock: = 
VAR _demandcumulatepreviousdate =
    CALCULATE (
        SUM ( Demand[Demand] ),
        WINDOW (
            1,
            ABS,
            -1,
            REL,
            ALL ( Date_demand[Date Demand] ),
            ORDERBY ( Date_demand[Date Demand], ASC )
        )
    )
RETURN
    IF (
        HASONEVALUE ( Stock[ArticleCode] ) && HASONEVALUE ( Date_demand[Date Demand] ),
        MAXX ( Stock, Stock[Stock] ) - _demandcumulatepreviousdate
    )

Demand: = 
IF (
    HASONEVALUE ( Stock[ArticleCode] ) && HASONEVALUE ( Date_demand[Date Demand] ),
    SUM ( Demand[Demand] )
)