SIGN Function (DAX)
Determines the sign of a number, the result of a calculation, or a value in a column. The function returns 1 if the number is positive, 0 (zero) if the number is zero, or -1 if the number is negative.
Any real number, a column that contains numbers, or an expression that evaluates to a number.
A whole number. The possible return values are 1, 0, and -1.
The number is positive
The number is zero
The number is negative
The following formula returns the sign of the result of the expression that calculates sale price minus cost.
=SIGN( ([Sale Price] - [Cost]) )