CLOSINGBALANCEMONTH, CLOSINGBALANCEQUARTER, CLOSINGBALANCEYEAR – DAX Guide
CLOSINGBALANCEMONTH: Evaluates the specified expression for the date corresponding to the end of the current month.
https://dax.guide/closingbalancemonth/
CLOSINGBALANCEQUARTER: Evaluates the specified expression for the date corresponding to the end of the current quarter after applying specified filters.
https://dax.guide/closingbalancequarter/
CLOSINGBALANCEYEAR: Evaluates the specified expression for the date corresponding to the end of the current year after applying specified filters.
https://dax.guide/closingbalanceyear/