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Running calculation

Hello Power BI Forum,

I oftern visited this site for help and today I was facing a problem where I could not finde a solution. I tried something like "calculate from above row" or "running totals", but that doesnt help.


I need a calculation, which shows the current amount of products in storage. There can be old/used or new products. If a product is sold, first the storage with old/used product shall decrease, if the old/used storage is 0, then the storage with new products. Is there any idea to solve this power query?


Here an explanation:


Thanks for some ideas.




Super User
Super User

Hi @TrevorPhilips, your sample data with description does not make sense.

Note: Check this link to learn how to use my query.
Check this link if you don't know how to provide sample data.

Super User
Super User

Please provide sample data that covers your issue or question completely, in a usable format (not as a screenshot).

Do not include sensitive information or anything not related to the issue or question.

If you are unsure how to upload data please refer to

Please show the expected outcome based on the sample data you provided.

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