By Charles Flock on
5/13/2015 3:27 PM
Calculating internal rates of return for many accounts or portfolios across many different time horizons is a laborious and error-prone task in a spreadsheet and the calculations are easily broken when new cash flows are added. In this article we look at how doing this calculation in SQL Server with just a few lines of SQL lets you calculate internal rates of return for millions of cash flows across all of your accounts or portfolios across multiple time horizons in just a few seconds.