The CONCATENATE operate in DAX only accepts two arguments in a time. A far better solution could be to use the & operator. Calculated tables are valuable for scenarios like date dimensions, categorization tables, and specialised aggregations. They allow you to increase your data model without modifying source data. https://financefeeds.com/ex-barclays-ceo-jes-staley-loses-appeal-over-epstein-misconduct-ruling/