Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?”