Air Products and Chemicals Inc Days Inventory Outstanding (DIO) 2 year CAGR is -38.98% for the Trailing 12 Months (TTM) ending March 31, 2024, a -791.30% change year over year. The days inventory outstanding ratio measures the average number of days it takes for a company to sell its inventory. It is calculated by dividing inventory by the cost of revenue and then multiplying by 365. This ratio indicates the average number of days inventory is held before being sold. A lower number of days suggests faster inventory turnover and efficient inventory management. CAGR, or the Compound Annual Growth Rate, quantifies the mean annual growth rate of an investment or financial metric over a specified time span, considering the influence of compounding. It is instrumental in determining the true annualized return on an investment.