DAX code
First Sale Date =
CALCULATE(MIN('Sales'[OrderDate]), 'Sales'[Amount] <> 0)
Last Sale Date =
CALCULATE(MAX('Sales'[OrderDate]), 'Sales'[Amount] <> 0)
Returns the earliest and latest dates on which a sale was recorded in the current filter context.
Type your table and column names once. Every measure below updates.
First Sale Date =
CALCULATE(MIN('Sales'[OrderDate]), 'Sales'[Amount] <> 0)
Last Sale Date =
CALCULATE(MAX('Sales'[OrderDate]), 'Sales'[Amount] <> 0)
Generate a Power BI date table
Replace 'Sales'[OrderDate] with your own transaction date column.
Browse all 175 measures in the Power BI DAX Measures Library, or search the library for something similar to First Sale Date, Last Sale Date.