can someone help me with the following problem
I want a dax formula to compare the value of last day of the month M with the first day of the month M+1
I tried the new index() and window() but didn’t succeed
kind regards and thanks in advance
Roger
Ensure you have a date table in your model and it is related to your date column in your source table. You can add one column to that table if you don’t have it already to capture the start of the month: