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 Question Thank you! Oops! Related Content The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself.