TVMCalcs.com Efficient Frontier Calculator

The TVMCalcs.com Efficient Frontier Calculator is a free, browser-based tool designed to help users explore the principles of portfolio optimization. Built on the Critical Line Algorithm (CLA)—developed by Harry Markowitz and foundational to modern portfolio theory—this calculator offers an intuitive way to visualize the tradeoff between risk and return. Whether you’re a finance student, an instructor, or simply someone interested in learning how efficient frontiers work, this tool provides a hands-on introduction to one of the most important concepts in investment analysis.

If this is your first time using the calculator, be sure to click the Show Instructions button above, or see the blog post, for a quick overview before getting started.

Here are a few example data files that you can use after you download them: