Days Of Payment (DOP) is a business term that refers to the average number of days it takes for customers to pay their invoices. It is an important metric in assessing a company’s financial health and overall liquidity. It provides valuable insights into cash flow performance and helps to identify any potential issues with customer payment behavior. The lower the DOP, the better it is for companies as they will have access to more working capital to fund operations. In general, most companies strive for a DOP of 30 days or below.