The definition, visualization and demonstration of the risk-free asset, or risk free investment, or risk-free rate in Excel. We discuss this in the context of portfolio theory, from Harry Markowitz, including the opportunity set, indifference curve and the efficient frontier. https://factorpad.com/fin/glossary/risk-free-asset.html Topics covered in our investment glossary: Excel tutorial, Python examples, portfolio theory, portfolio return, portfolio risk, correlation, regression, linear algebra, alpha signal, risk models, performance attribution. Glossary: https://factorpad.com/fin/glossary/index.html Innovators: https://factorpad.com/fin/innovators/index.html https://factorpad.com/